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Posted January 6, 2026 at 12:10 pm
The post “A Free Interactive IPO Calendar” was originally published on Robot Wealth blog.
Sometimes it’s nice to step away from the deep technical stuff and just build something simple and useful.
I’ve linked the free IPO calendar below if you just want to jump in and explore.
But if you’re not familiar, an IPO calendar is a tool that tracks companies going public, showing both upcoming and recent IPOs. It’s handy for staying on top of new listings, spotting patterns, or just satisfying your curiosity about what’s hitting the market.
This one pulls data from the free finnhub.io API and wraps it in a simple R Shiny interface. Nothing fancy, just a quick way to scan what’s new without digging through press releases or exchange websites.
I’d been buried in options data for a few weeks, building out pipelines for a straddle-over-earnings strategy we’re working on. It was getting a bit heavy.
So I decided to take a breather and build something lighter, still useful, but a bit more fun. The idea for the IPO calendar came up while thinking about ways to keep track of new market entrants without scraping sites or digging through finance portals.
It also gave me a chance to mess around with R Shiny again, which I hadn’t used in a while. Simple project, quick feedback loop, and something others might find helpful too.
The calendar is live and ready to use. Just pick a date and it’ll show you IPOs from around that time. Click a ticker to get all the details.
Check out the Free IPO calendar here.
It’s free, no sign-up, no catch, just a quick tool you can bookmark and come back to whenever you’re curious.
Information posted on IBKR Campus that is provided by third-parties does NOT constitute a recommendation that you should contract for the services of that third party. Third-party participants who contribute to IBKR Campus are independent of Interactive Brokers and Interactive Brokers does not make any representations or warranties concerning the services offered, their past or future performance, or the accuracy of the information provided by the third party. Past performance is no guarantee of future results.
This material is from Robot Wealth and is being posted with its permission. The views expressed in this material are solely those of the author and/or Robot Wealth and Interactive Brokers is not endorsing or recommending any investment or trading discussed in the material. This material is not and should not be construed as an offer to buy or sell any security. It should not be construed as research or investment advice or a recommendation to buy, sell or hold any security or commodity. This material does not and is not intended to take into account the particular financial conditions, investment objectives or requirements of individual customers. Before acting on this material, you should consider whether it is suitable for your particular circumstances and, as necessary, seek professional advice.
IPO investments carry substantial risks including extreme price volatility, limited operating history, lack of liquidity, potential for significant losses, and uncertainty regarding future performance.
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