{"id":252332,"date":"2026-08-03T13:29:58","date_gmt":"2026-08-03T17:29:58","guid":{"rendered":"https:\/\/ibkrcampus.com\/campus\/?p=252332"},"modified":"2026-08-03T14:46:17","modified_gmt":"2026-08-03T18:46:17","slug":"fair-value-weather-climate-monday-august-3-2026","status":"publish","type":"post","link":"https:\/\/www.interactivebrokers.com\/campus\/traders-insight\/prediction-market\/fair-value-weather-climate-monday-august-3-2026\/","title":{"rendered":"Fair Value Weather &amp; Climate \u2014 Monday, August 3, 2026"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><em>A detailed daily look at some of the most interesting weather and climate prediction markets at ForecastEx and elsewhere.<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1100\" height=\"675\" data-src=\"https:\/\/www.interactivebrokers.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-2-1100x675.png\" alt=\"\" class=\"wp-image-252335 lazyload\" data-srcset=\"https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-2-1100x675.png 1100w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-2-700x430.png 700w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-2-300x184.png 300w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-2-768x471.png 768w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-2-1536x943.png 1536w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-2.png 1600w\" data-sizes=\"(max-width: 1100px) 100vw, 1100px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1100px; aspect-ratio: 1100\/675;\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>1.31\u00b0F<\/strong>, ForecastEx ranks 1st of 12. Average error on daily highs, 7 days, 5:00 PM ET day before through 5:00 AM ET. Aviation Forecast next at 1.55\u00b0F.<\/li>\n\n\n\n<li><strong>12\u00b0F<\/strong>, Largest error yesterday, New Orleans high. Settled 83\u00b0F against 95\u00b0F from the National Weather Service.<\/li>\n\n\n\n<li><strong>13.3\u00d7<\/strong>, Best return on daily temperatures yesterday, net of fees. No on the Denver low below 71\u00b0 at 7\u00a2, priced 33 hours before it resolved and 15 hours before the low itself happened, settled 71\u00b0.<\/li>\n\n\n\n<li><strong>4\u00b0F<\/strong>, Widest disagreement for Tuesday, Atlanta. ForecastEx below the National Weather Service forecast on the high.<\/li>\n\n\n\n<li><strong>33%<\/strong>, At least one major Atlantic hurricane in August. A Yes contract at 33\u00a2 pays 3.0\u00d7 the money put in, net of fees.<\/li>\n\n\n\n<li><em>Access to live probabilities and the ability to trade is available via <\/em><a href=\"https:\/\/www.interactivebrokers.com\/predictionmarkets\/app\/#\/?category=g137800\"><em>IBKR Prediction Markets<\/em><\/a><em>.<\/em><\/li>\n\n\n\n<li><em>General primers on how these prediction markets work are available in the <\/em><a href=\"https:\/\/www.interactivebrokers.com\/predictionmarkets\/en\/home.php\"><em>IBKR prediction markets FAQ<\/em><\/a><em> (scroll down) and the <\/em><a href=\"https:\/\/forecastex.com\/faq\"><em>ForecastEx FAQ<\/em><\/a><em>.<\/em><\/li>\n<\/ul>\n\n\n\n<h2 id=\"h-1-new-orleans-rain-cooled-sunday-and-what-it-means-for-daily-temperature-markets\" class=\"wp-block-heading\"><strong>1) New Orleans&#8217; rain-cooled Sunday, and what it means for daily temperature markets<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sunday&#8217;s high in New Orleans reached only 83\u00b0F against 95\u00b0F from the National Weather Service at the Saturday afternoon lead, the largest miss on the scorecard in weeks. A stalling front met deep Gulf moisture, and the office serving southeast Louisiana had itself flagged the risk in its <a href=\"https:\/\/forecast.weather.gov\/product.php?site=LIX&amp;issuedby=LIX&amp;product=AFD\">forecast discussion<\/a>, calling for scattered to numerous showers and storms with the highest chances in coastal areas. The rain and cloud cover held the city a dozen degrees below a forecast built for a hot, drier afternoon, and the same office now expects drier air and relief from last week&#8217;s oppressive heat through midweek. The ForecastEx market for New Orleans was down during this period and so was unable to be scored. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 id=\"h-2-how-forecastex-temperature-markets-compared-with-the-weather-models-on-sunday\" class=\"wp-block-heading\"><strong>2) How ForecastEx temperature markets compared with the weather models on Sunday<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Below is a scorecard for the forecasts as they stood at 5:00 PM ET on Saturday, August 1st, for the target day of Sunday, August 2nd. The highs and lows are shown as separate grids below. Each grid below orders its cities by <a href=\"https:\/\/en.wikipedia.org\/wiki\/Mean_absolute_error\">mean absolute error<\/a> (MAE) for that metric, which is the average size of the miss in degrees regardless of direction, from largest to smallest. ForecastEx is scored against eleven public forecast tools throughout this letter, all listed with links in the FAQ at the end. The grids below pull out four canonical tools for illustration, the American model, the European model, the National Weather Service, and the Aviation Forecast.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1100\" height=\"1479\" data-src=\"https:\/\/www.interactivebrokers.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-4-1100x1479.png\" alt=\"\" class=\"wp-image-252337 lazyload\" data-srcset=\"https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-4-1100x1479.png 1100w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-4-700x941.png 700w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-4-300x403.png 300w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-4-768x1032.png 768w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-4-1143x1536.png 1143w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-4.png 1487w\" data-sizes=\"(max-width: 1100px) 100vw, 1100px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1100px; aspect-ratio: 1100\/1479;\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">New Orleans carried the largest error on highs, at 10.0\u00b0F averaged across the four systems, with every system caught on the warm side of the rain-cooled afternoon.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1100\" height=\"1479\" data-src=\"https:\/\/www.interactivebrokers.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-5-1100x1479.png\" alt=\"\" class=\"wp-image-252338 lazyload\" data-srcset=\"https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-5-1100x1479.png 1100w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-5-700x941.png 700w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-5-300x403.png 300w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-5-768x1032.png 768w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-5-1143x1536.png 1143w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-5.png 1487w\" data-sizes=\"(max-width: 1100px) 100vw, 1100px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1100px; aspect-ratio: 1100\/1479;\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The lows errors were led by Oklahoma City at 4.0\u00b0F in the grid above.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Forecast skill in daily highs and lows corresponds directly to forecast skill in metrics called &#8220;cooling degree days&#8221; and &#8220;heating degree days&#8221; used extensively in the energy industry. These metrics measure deviations from daily average temperatures (average of the high and low for the day) of 65\u00b0F and reflect that people tend to activate their air conditioners when daily averages exceed 65\u00b0F (cooling degree days) and switch on their heat when daily averages fall below 65\u00b0F (heating degree days).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The range of plausible next-day temperature outcomes can translate into millions of dollars in differences in energy expenditure and many organizations make day-ahead decisions based on <a href=\"https:\/\/www.interactivebrokers.com\/campus\/traders-insight\/ibkr-climate-energy\/energy-expenditure-implications-of-next-day-temperature-forecasts\/\">cooling degree and heating degree day forecasts<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1100\" height=\"1479\" data-src=\"https:\/\/www.interactivebrokers.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-8-1100x1479.png\" alt=\"\" class=\"wp-image-252341 lazyload\" data-srcset=\"https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-8-1100x1479.png 1100w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-8-700x941.png 700w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-8-300x403.png 300w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-8-768x1032.png 768w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-8-1143x1536.png 1143w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-8.png 1487w\" data-sizes=\"(max-width: 1100px) 100vw, 1100px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1100px; aspect-ratio: 1100\/1479;\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">New Orleans led the degree-day errors at 5.7 cooling degree days. The ForecastEx market for New Orleans was down during this period and so was unable to be scored but overall across all cities ForecastEx carried the lowest error of the five systems at 1.26 degree days against the American model&#8217;s 2.46.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Postmortem on the New Orleans miss.<\/strong> The high reached 83\u00b0F. The National Weather Service had carried 95\u00b0F from the Saturday afternoon lead, a 12\u00b0F miss on the warm side.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">At the lead, the office&#8217;s <a href=\"https:\/\/forecast.weather.gov\/product.php?site=LIX&amp;issuedby=LIX&amp;product=AFD\">forecast discussion<\/a> expected a weak front to stall near the coast with convective coverage staying isolated to widely scattered north of Interstate 10, while acknowledging higher rain chances where the boundary met deeper Gulf moisture. By the target day it was describing scattered to numerous showers pushing through the coastal area as the front sank south. A 95-degree forecast needed the sun that the front took away, and the high was greatly suppressed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1100\" height=\"851\" data-src=\"https:\/\/www.interactivebrokers.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-1-1100x851.png\" alt=\"\" class=\"wp-image-252333 lazyload\" data-srcset=\"https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-1-1100x851.png 1100w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-1-700x542.png 700w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-1-300x232.png 300w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-1-768x594.png 768w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-1-1536x1189.png 1536w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-1.png 1819w\" data-sizes=\"(max-width: 1100px) 100vw, 1100px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1100px; aspect-ratio: 1100\/851;\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1100\" height=\"684\" data-src=\"https:\/\/www.interactivebrokers.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-1100x684.png\" alt=\"\" class=\"wp-image-252334 lazyload\" data-srcset=\"https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-1100x684.png 1100w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-700x435.png 700w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-300x187.png 300w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-768x478.png 768w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-1536x955.png 1536w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image.png 1600w\" data-sizes=\"(max-width: 1100px) 100vw, 1100px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1100px; aspect-ratio: 1100\/684;\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Over the window ending Sunday, the <strong>ForecastEx prediction market maintained the lowest error of the twelve systems at 1.31\u00b0F on daily highs<\/strong>, with the Aviation Forecast second at 1.55\u00b0F.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This constitutes <a href=\"https:\/\/www.interactivebrokers.com\/campus\/traders-insight\/ibkr-climate-energy\/prediction-markets-might-already-be-the-best-source-for-todays-weather-forecast\/\">ongoing evidence<\/a> that weather prediction markets like ForecastEx may be the most accurate short-range weather forecasts available, and the difference becomes greater as lead time decreases.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This is because a ForecastEx price is a confidence-weighted consensus of participants who can condition on every tool shown here, plus whatever additional knowledge they bring to the table at live timescales. One way to think about it is that ForecastEx is a constantly offered rewards program for anyone who can push prices and probabilities toward their true, most-calibrated values (and a penalty for those who try but fail &#8211; which encourages improvement).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">On average, no public tool analyzed here beats ForecastEx consistently, but the section below asks the narrower question of where a single tool could potentially be used to identify edge in particular circumstances.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 id=\"h-the-most-undervalued-contracts-for-sunday-were\" class=\"wp-block-heading\"><strong>The most undervalued contracts for Sunday were<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1100\" height=\"1158\" data-src=\"https:\/\/www.interactivebrokers.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-6-1100x1158.png\" alt=\"\" class=\"wp-image-252339 lazyload\" data-srcset=\"https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-6-1100x1158.png 1100w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-6-700x737.png 700w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-6-300x316.png 300w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-6-768x809.png 768w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-6-1459x1536.png 1459w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-6.png 1600w\" data-sizes=\"(max-width: 1100px) 100vw, 1100px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1100px; aspect-ratio: 1100\/1158;\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>Access to live probabilities and the ability to trade is available via <\/em><a href=\"https:\/\/www.interactivebrokers.com\/predictionmarkets\/app\/#\/?category=g137800\"><em>IBKR Prediction Markets<\/em><\/a><em>.<\/em><\/li>\n\n\n\n<li><em>General primers on how these prediction markets work are available in the <\/em><a href=\"https:\/\/www.interactivebrokers.com\/predictionmarkets\/en\/home.php\"><em>IBKR prediction markets FAQ<\/em><\/a><em> (scroll down) and the <\/em><a href=\"https:\/\/forecastex.com\/faq\"><em>ForecastEx FAQ<\/em><\/a><em>.<\/em><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The most undervalued contract above was No on the <a href=\"https:\/\/www.interactivebrokers.com\/predictionmarkets\/app\/?utm_source=googlead&amp;utm_medium=paid_search&amp;utm_campaign=US_ForecastTrader_C&amp;utm_term=%22market+predictions%22&amp;utm_campaign_id=23792472669&amp;placement=search#\/?category=g137800\">Denver low<\/a> below 71 degrees, 7 cents 33 hours before it resolved and 15 hours before the low itself arrived at 5:58 AM, for a 13.3 times return net of fees. The UK model was closest on that market at 70.7 against the settled 71, and it was also closest on the Atlanta high that paid 8.0 times on the Yes side.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 id=\"h-3-forecastex-temperature-market-forecasts-and-prices-for-tuesday\" class=\"wp-block-heading\"><strong>3) ForecastEx temperature market forecasts and prices for Tuesday<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1100\" height=\"1359\" data-src=\"https:\/\/www.interactivebrokers.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-10-1100x1359.png\" alt=\"\" class=\"wp-image-252343 lazyload\" data-srcset=\"https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-10-1100x1359.png 1100w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-10-700x865.png 700w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-10-300x371.png 300w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-10-768x948.png 768w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-10-1244x1536.png 1244w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-10.png 1600w\" data-sizes=\"(max-width: 1100px) 100vw, 1100px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1100px; aspect-ratio: 1100\/1359;\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The widest disagreement on the map above is the <a href=\"https:\/\/www.interactivebrokers.com\/predictionmarkets\/app\/?utm_source=googlead&amp;utm_medium=paid_search&amp;utm_campaign=US_ForecastTrader_C&amp;utm_term=%22market+predictions%22&amp;utm_campaign_id=23792472669&amp;placement=search#\/?category=g137800\">Atlanta high<\/a>, where ForecastEx sits 4.4\u00b0F below the National Weather Service forecast, and the widest gap on the low side is Oklahoma City, where ForecastEx sits 3.6\u00b0F below. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1100\" height=\"1235\" data-src=\"https:\/\/www.interactivebrokers.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-9-1100x1235.png\" alt=\"\" class=\"wp-image-252342 lazyload\" data-srcset=\"https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-9-1100x1235.png 1100w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-9-700x786.png 700w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-9-300x337.png 300w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-9-768x862.png 768w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-9-1368x1536.png 1368w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-9.png 1600w\" data-sizes=\"(max-width: 1100px) 100vw, 1100px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1100px; aspect-ratio: 1100\/1235;\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>Access to live probabilities and the ability to trade is available via <\/em><a href=\"https:\/\/www.interactivebrokers.com\/predictionmarkets\/app\/#\/?category=g137800\"><em>IBKR Prediction Markets<\/em><\/a><em>.<\/em><\/li>\n\n\n\n<li><em>General primers on how these prediction markets work are available in the <\/em><a href=\"https:\/\/www.interactivebrokers.com\/predictionmarkets\/en\/home.php\"><em>IBKR prediction markets FAQ<\/em><\/a><em> (scroll down) and the <\/em><a href=\"https:\/\/forecastex.com\/faq\"><em>ForecastEx FAQ<\/em><\/a><em>.<\/em><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If the tool that was closest for each market on Sunday proves exactly right, the most undervalued contract on the high side would be No on the Detroit high above 80 degrees at 13 cents, a 7.4 times return net of fees, with the European model predicting 80. On the low side it would be No on the Phoenix low below 95 degrees at 9 cents, a 10.5 times return, with the French model predicting 95.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 id=\"h-temperature-market-of-the-day-los-angeles\" class=\"wp-block-heading\"><strong>Temperature Market of the Day, Los Angeles<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1100\" height=\"862\" data-src=\"https:\/\/www.interactivebrokers.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-3-1100x862.png\" alt=\"\" class=\"wp-image-252336 lazyload\" data-srcset=\"https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-3-1100x862.png 1100w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-3-700x549.png 700w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-3-300x235.png 300w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-3-768x602.png 768w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-3-1536x1204.png 1536w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-3.png 1600w\" data-sizes=\"(max-width: 1100px) 100vw, 1100px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1100px; aspect-ratio: 1100\/862;\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The highlighted market for Tuesday is <a href=\"https:\/\/www.interactivebrokers.com\/predictionmarkets\/app\/?utm_source=googlead&amp;utm_medium=paid_search&amp;utm_campaign=US_ForecastTrader_C&amp;utm_term=%22market+predictions%22&amp;utm_campaign_id=23792472669&amp;placement=search#\/?category=g137800\">Los Angeles (KLAX)<\/a>&#8216;s daily high temperature contract. The figure above runs through the end of Tuesday, showing two independent hourly forecasts, each model&#8217;s forecast high and low for the contract day, and the most recent high ladder at right.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thirteen models span 17.2\u00b0F on Tuesday&#8217;s high, from the European model at 89.6 down to the American model at 72.4, and the middle half of them sit 3.3\u00b0F apart. The reason for the spread is uncertainty in how far the cooling marine influence reaches inland. The National Weather Service office serving Los Angeles describes the setup in their <a href=\"https:\/\/forecast.weather.gov\/product.php?site=LOX&amp;issuedby=LOX&amp;product=AFD\">forecast discussion<\/a>. They note cooler conditions for the coast and coastal valleys and continued hot conditions with above-normal temperatures for the interior. Precisely where that boundary falls between warm and cool air will make a large difference for the temperature at any given weather station (for this contract, the relevant weather station is the ASOS station at LAX airport). <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 id=\"h-4-atlantic-hurricane-forecast-contracts-a-persistent-signal-in-the-gulf\" class=\"wp-block-heading\"><strong>4) Atlantic hurricane forecast contracts, a persistent signal in the Gulf<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1100\" height=\"1528\" data-src=\"https:\/\/www.interactivebrokers.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-11-1100x1528.png\" alt=\"\" class=\"wp-image-252344 lazyload\" data-srcset=\"https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-11-1100x1528.png 1100w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-11-700x972.png 700w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-11-300x417.png 300w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-11-768x1067.png 768w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-11-1106x1536.png 1106w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-11.png 1439w\" data-sizes=\"(max-width: 1100px) 100vw, 1100px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1100px; aspect-ratio: 1100\/1528;\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Bahamas lead the major hurricane landfall map at 10.9%, equivalent to a Yes contract at 11 cents, with Florida just behind at 10.4%. The probability of a Category 4 United States landfall (by November 30th) stands at 7.8%, which represents the seasonal forecasts mostly affected by El Ni\u00f1o and is not influenced by any current storm. The season&#8217;s two named storms, Arthur at 46 mph and Bertha at 58 mph, both peaked as tropical storms.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The probability of a major hurricane making landfall within 50 miles of Miami-Dade, Florida currently stands at around 4.7%. Thus, a purchase of a &#8220;Yes&#8221; at 5 cents can be thought of as an analog to parametric insurance, which pays out when a measured weather parameter crosses a threshold and thus involves no claims process and no need to prove a loss. In this case it would pay 18X of the purchase price.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The NOAA <a href=\"https:\/\/www.cpc.ncep.noaa.gov\/products\/precip\/CWlink\/ghazards\/\">Climate Prediction Center&#8217;s Global Tropical Hazards Outlook<\/a> covering August 5th to August 18th expects El Ni\u00f1o conditions to continue to suppress Atlantic tropical cyclone activity, with formation chances lower than usual over the Caribbean and the central Atlantic through that window.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Google DeepMind&#8217;s cyclone-focused ensemble weather model, <a href=\"https:\/\/arxiv.org\/abs\/2506.10772\">FNV3<\/a>, as <a href=\"https:\/\/www.weathernerds.org\/models\/fnv3.html?&amp;inittype=zoom&amp;initfield=SST_Anomaly_Surface&amp;initcycle=determine&amp;initfhour=000&amp;initimdimx=1050&amp;initimdimy=685&amp;initrange=50.000000000000:258.000000000000:0:350.000000000000&amp;inittracks=On&amp;initlows=On\">displayed by Weathernerds<\/a>, develops a low in the eastern Gulf of Mexico around Wednesday, August 12th and carries it north toward the central Gulf coast with some forecasts near 80 mph, alongside a low off the Southeast coast by Saturday, August 8th and a train of weaker tropical waves crossing the deep Atlantic through the following week.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1100\" height=\"1385\" data-src=\"https:\/\/www.interactivebrokers.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-7-1100x1385.png\" alt=\"\" class=\"wp-image-252340 lazyload\" data-srcset=\"https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-7-1100x1385.png 1100w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-7-700x881.png 700w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-7-300x378.png 300w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-7-768x967.png 768w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-7-1220x1536.png 1220w, https:\/\/ibkrcampus.com\/campus\/wp-content\/uploads\/sites\/2\/2026\/08\/image-7.png 1588w\" data-sizes=\"(max-width: 1100px) 100vw, 1100px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1100px; aspect-ratio: 1100\/1385;\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Two named storms have formed against the 1.9 the season would normally have produced by now if it finishes at the total forecast by the hurricane research team at Colorado State University. On the <a href=\"https:\/\/www.interactivebrokers.com\/predictionmarkets\/app\/?utm_source=googlead&amp;utm_medium=paid_search&amp;utm_campaign=US_ForecastTrader_C&amp;utm_term=%22market+predictions%22&amp;utm_campaign_id=23792472669&amp;placement=search#\/?category=g137800\">hurricane count ladder<\/a> above, Kalshi continues to price the season above ForecastEx across most of the strikes the two venues share, while on named storms the two sit closer. The monthly majors row shows August, where at least one major Atlantic hurricane is priced at 33 cents.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 id=\"h-frequently-asked-questions\" class=\"wp-block-heading\"><strong>Frequently asked questions<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 id=\"h-what-is-a-weather-prediction-market\" class=\"wp-block-heading\"><strong>What is a weather prediction market?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A market in which each contract pays one dollar if a stated weather outcome occurs and nothing if it does not, so the contract&#8217;s price is the market&#8217;s probability of that outcome. ForecastEx lists these on daily high and low temperatures at individual weather stations, on Atlantic named storm and hurricane counts, and on major hurricane landfall by location, among many others.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 id=\"h-what-are-the-four-canonical-forecast-systems-compared-here\" class=\"wp-block-heading\"><strong>What are the four canonical forecast systems compared here?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">All four commonly referenced forecast systems rely on physical <a href=\"https:\/\/en.wikipedia.org\/wiki\/Numerical_weather_prediction\">numerical weather prediction<\/a> models that solve the equations of the atmosphere forward in time. <a href=\"https:\/\/www.ecmwf.int\/en\/forecasts\/documentation-and-support\/medium-range-forecasts\">ECMWF<\/a> (the European model) and <a href=\"https:\/\/www.emc.ncep.noaa.gov\/emc\/pages\/numerical_forecast_systems\/gfs.php\">GFS<\/a> (the American model) are shown here in their raw form. Raw physical models are flexible and can handle weather situations they have never seen (they are not explicitly trained on historical data but rather adhere to the laws of physics), but forecasts apply to a relatively large discrete grid box that contains the <a href=\"https:\/\/data.forecastex.com\/regulatory\/UTermsandConditions.pdf\">weather station<\/a> rather than the single point where the station sits, causing them to carry systemic biases relative to the stations.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/vlab.noaa.gov\/web\/mdl\/lamp\">Aviation Forecast<\/a> is a <a href=\"https:\/\/en.wikipedia.org\/wiki\/Model_output_statistics\">model output statistics<\/a> system. It compares historical forecasts from physical models with what actually occurred and uses the errors to statistically correct systemic biases at the level of individual weather stations. The tradeoff is that a statistical fit is anchored in past situations and bends less readily to a genuinely unusual one. The <a href=\"https:\/\/vlab.noaa.gov\/web\/mdl\/ndfd\">National Weather Service&#8217;s National Digital Forecast Database<\/a> is undergirded by the <a href=\"https:\/\/vlab.noaa.gov\/web\/mdl\/nbm\">National Blend of Models<\/a> but layers on human forecasters&#8217; judgment, which is more flexible in dynamic weather situations but introduces subjective judgment (more on all of this <a href=\"https:\/\/www.interactivebrokers.com\/campus\/traders-insight\/ibkr-climate-energy\/daily-high-temperature-markets-at-forecastex\/\">here<\/a>).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 id=\"h-what-are-all-the-forecast-tools-used-here\" class=\"wp-block-heading\"><strong>What are all the forecast tools used here?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/vlab.noaa.gov\/web\/mdl\/ndfd\">National Weather Service<\/a> \u2014 the official public forecast, human judgment layered on model guidance; that judgment is subjective and can lag a fast-changing day.<\/li>\n\n\n\n<li><a href=\"https:\/\/vlab.noaa.gov\/web\/mdl\/lamp\">Aviation Forecast<\/a> \u2014 statistically corrected to each station and strong inside a day; reaches only about 25 hours and is anchored in past situations.<\/li>\n\n\n\n<li><a href=\"https:\/\/vlab.noaa.gov\/web\/mdl\/nbm\">National Blend of Models<\/a> \u2014 averaging many models cancels much of their individual error; a blend can be slow to commit when the models genuinely split.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ecmwf.int\/en\/forecasts\/documentation-and-support\/medium-range-forecasts\">European model<\/a> \u2014 consistently among the most accurate global physical models; raw grid-box output still carries station-level bias.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.emc.ncep.noaa.gov\/emc\/pages\/numerical_forecast_systems\/gfs.php\">American model<\/a> \u2014 a global physical model updated four times a day; prone to systematic warm or cold stretches in conditions it resolves poorly.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.dwd.de\/EN\/research\/weatherforecasting\/num_modelling\/01_num_weather_prediction_modells\/icon_description.html\">German model<\/a> \u2014 a modern global physical model with strong mid-latitude performance; the same grid-box limitations as its peers.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.dwd.de\/EN\/ourservices\/met_application_mosmix\/met_application_mosmix.html\">German statistical model<\/a> \u2014 station-calibrated output built on multiple physical models; anchored in past relationships between forecast and outcome.<\/li>\n\n\n\n<li><a href=\"https:\/\/weather.gc.ca\/model_forecast\/model_e.html\">Canadian model<\/a> \u2014 an independent global physical model whose errors differ usefully from the American and European models; raw station-level accuracy is middling.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.metoffice.gov.uk\/research\/approach\/modelling-systems\/unified-model\">UK model<\/a> \u2014 a long-developed global physical model; coarser at United States stations than the domestic systems.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.umr-cnrm.fr\/spip.php?article121&amp;lang=en\">French model<\/a> \u2014 an independent global physical model that adds diversity to the panel; raw station-level accuracy trails the leaders.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.jma.go.jp\/jma\/en\/Activities\/nwp.html\">Japanese model<\/a> \u2014 an independent global physical model; often the weakest of the panel on the daily-high standings, which is itself informative about model diversity.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"h-how-does-a-forecastex-ladder-become-a-single-forecast-temperature\" class=\"wp-block-heading\"><strong>How does a ForecastEx ladder become a single forecast temperature?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ForecastEx does not publish a single forecast temperature. It lists a ladder of contracts at different strikes, and each price is the ForecastEx probability that the day&#8217;s extreme passes that strike. Comparing ForecastEx with the other systems therefore requires converting that ladder into a central estimate. The 50 percent level is the ForecastEx implied median, so where two adjacent listed strikes bracket that crossing, the central value is interpolated between them. Where the ladder does not bracket 50 percent, because every listed strike sits far in or far out of the money, no central value is recorded and ForecastEx is left unscored rather than extrapolated beyond the quoted ladder. That reflects how the strikes happened to be listed rather than anything about forecast quality, so it should count neither for nor against ForecastEx.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 id=\"h-further-reading\" class=\"wp-block-heading\"><strong>Further Reading<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Prediction market basics<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.interactivebrokers.com\/campus\/traders-insight\/ibkr-climate-energy\/the-value-of-climate-prediction-markets\/\">The Value of Climate Prediction Markets<\/a> \u2014 The case for why prediction markets can represent the best collective knowledge about our energy and climate future.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.interactivebrokers.com\/campus\/traders-insight\/ibkr-climate-energy\/daily-high-temperature-markets-at-forecastex\/\">Daily High Temperature Markets at ForecastEx<\/a> \u2014 how the daily temperature contracts are built and settled.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Temperature markets and energy<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.interactivebrokers.com\/campus\/traders-insight\/ibkr-climate-energy\/energy-expenditure-implications-of-next-day-temperature-forecasts\/\">Energy expenditure implications of next-day temperature forecasts<\/a> \u2014 what day-ahead temperature uncertainty costs utilities, energy traders and risk managers.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Hurricane and climate contracts<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.interactivebrokers.com\/campus\/traders-insight\/securities\/esg\/hurricane-forecast-contracts\/\">Hurricane Forecast Contracts<\/a> \u2014 how the count and landfall contracts work.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.interactivebrokers.com\/campus\/traders-insight\/ibkr-climate-energy\/disaster-insurance-applications-of-forecast-contracts\/\">Disaster Insurance Applications of Forecast Contracts<\/a> \u2014 using landfall contracts as parametric cover.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.interactivebrokers.com\/campus\/traders-insight\/securities\/macro\/hurricane-forecast-contracts-as-a-diversifying-asset-in-an-investment-portfolio\/\">Hurricane Forecast Contracts as a Diversifying Asset in an Investment Portfolio<\/a> \u2014 correlation properties against conventional assets.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.interactivebrokers.com\/campus\/traders-insight\/bundling-no-hurricane-landfall-forecast-contracts-to-reduce-downside-risk\/\">Bundling &#8220;NO&#8221; Hurricane Landfall Forecast Contracts to Reduce Downside Risk<\/a> \u2014 constructing a bundle across locations.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Climate Contracts<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.interactivebrokers.com\/campus\/traders-insight\/securities\/commodities\/global-crop-yield-forecast-contracts\/\">Global Crop Yield Forecast Contracts<\/a> (<a href=\"https:\/\/www.interactivebrokers.com\/predictionmarkets\/app\/?utm_source=googlead&amp;utm_medium=paid_search&amp;utm_campaign=US_ForecastTrader_C&amp;utm_term=%22market+predictions%22&amp;utm_campaign_id=23792472669&amp;placement=search#\/786030244\/product-details\/contracts?exchange=FORECASTX&amp;conid_yes=810314078\">view here<\/a>).<\/li>\n\n\n\n<li><a href=\"https:\/\/www.interactivebrokers.com\/campus\/traders-insight\/securities\/esg\/how-quickly-will-the-globe-warm-paris-agreement-forecast-contracts\/\">How Quickly Will The Globe Warm? Paris Agreement Forecast Contracts<\/a> (<a href=\"https:\/\/www.interactivebrokers.com\/predictionmarkets\/app\/?utm_source=googlead&amp;utm_medium=paid_search&amp;utm_campaign=US_ForecastTrader_C&amp;utm_term=%22market+predictions%22&amp;utm_campaign_id=23792472669&amp;placement=search#\/854083920\/product-details\/contracts?exchange=FORECASTX&amp;conid_yes=905500573\">view here<\/a>).<\/li>\n\n\n\n<li><a href=\"https:\/\/www.interactivebrokers.com\/campus\/traders-insight\/will-the-atlantic-overturning-circulation-amoc-collapse-prediction-markets-can-quantify-sentiment\/\">Will the Atlantic Overturning Circulation (AMOC) Collapse? Prediction Markets Can Quantify Sentiment<\/a> (<a href=\"https:\/\/www.interactivebrokers.com\/predictionmarkets\/app\/?utm_source=googlead&amp;utm_medium=paid_search&amp;utm_campaign=US_ForecastTrader_C&amp;utm_term=%22market+predictions%22&amp;utm_campaign_id=23792472669&amp;placement=search#\/846784718\/product-details\/contracts?exchange=FORECASTX&amp;conid_yes=846784754\">view here<\/a>).<\/li>\n<\/ul>\n\n\n\n<h2 id=\"h-about-the-author\" class=\"wp-block-heading\"><strong>About the author<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Patrick T. Brown is the Head of Climate Analytics at Interactive Brokers, where his work focuses on the information discovery and risk-transfer applications of prediction markets in weather, climate, and natural disasters.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">He holds a PhD in Earth and Climate Science from Duke University, a master&#8217;s degree in Meteorology and Climate Science from San Jose State University, and a bachelor&#8217;s degree in atmospheric and oceanic sciences from the University of Wisconsin, Madison. He is an adjunct faculty member (lecturer) in the Energy Policy and Climate Program at Johns Hopkins University and has conducted research at the Carnegie Institution at Stanford University, NASA JPL at Caltech, NASA Langley in Virginia, NASA Goddard in Washington, D.C., and NOAA&#8217;s GFDL at Princeton University. He has published scientific papers in Nature, PNAS, and Nature Climate Change, as well as many disciplinary journals, and his research and commentary have appeared in The New York Times, The Wall Street Journal, The Economist, CNBC, CNN, The BBC, The Washington Post, NPR, Newsweek, The Guardian, The Atlantic, Foreign Policy, and The Los Angeles Times, among other venues.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A detailed daily look at some of the most interesting weather and climate prediction markets at ForecastEx and elsewhere.<\/p>\n","protected":false},"author":1601,"featured_media":252346,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[18931,18929,3],"tags":[],"contributors-categories":[13576],"class_list":["post-252332","post","type-post","status-publish","format-standard","has-post-thumbnail","category-ibkr-climate-energy","category-prediction-market","category-traders-insight","contributors-categories-interactive-brokers"],"pp_statuses_selecting_workflow":false,"pp_workflow_action":"current","pp_status_selection":"publish","acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.9 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Fair Value Weather &amp; Climate \u2014 Monday, August 3, 2026<\/title>\n<meta name=\"description\" content=\"A detailed daily look at some of the 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