In the TWS news window how is the rank for each news item determined?

IBKR pays credit interest on positive settled cash balances and charges debit or margin interest on negative settled cash balances in securities accounts for each currency held. The interest rates and calculations depend on several factors:

Account Type and Net Asset Value (NAV):…

There isn't a function in TWS that prevents account holders with margin accounts from making trades that cause their cash balance to become negative, which would then incur interest charges for a margin loan. Traders would want to ensure that their cash balance always remained positive or open a cash account. Negative cash balances are disallowed in cash accounts and orders that cause the cash balance to go negative should be rejected by the system…

Social Market Analytics (SMA) is a company that uses its patented sentiment scoring model to gather, filter, and analyze Tweets and determine the market sentiment on specific products, now and over time. They produce sentiment and volume scores that range from 4.25 (extremely positive sentiment/high volume) to -4.25 (extremely negative sentiment/low volume). In conjunction with other indicators, these scores may help traders decide whether or not to trade an asset. You can see these values in the Sentiment Scoring tab in the Fundamentals Explorer, in multiple Sentiment Scores columns you can add to Watchlists and other tools, and in Market Scanners (coming soon)…

Score numbers indicate whether the market sentiment is positive or negative and whether Tweet volume is higher or lower than normal. The score range is from 4.25 (extremely positive sentiment/much higher than normal volume) to -4.25 (extremely negative sentiment/much lower than normal volume). Any score above a 3 indicates extremely positive/very high, while any score below -3 indicates extremely negative/very low. In addition to showing scores, sentiment columns are also color-coded for at-a-glance understanding. Color shades range from green at 4.25 down to red at -4.25…