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Prediction Market Odds Calculator
Turn Kalshi, Polymarket and sportsbook odds into probability
Free, in-browser calculator: turn contract prices, American, decimal or fractional odds into implied probability, and see expected value after fees. Part of a free directory of open-source Kalshi and Polymarket bots and tools. No signup.
I keep a free directory of public prediction-market bots (https://prediction-market-use-ca...). People kept asking how to compare a Kalshi price with a sportsbook line, so I built this converter. It runs entirely client-side. Also new: Kalshi stats from Jon Becker's public dataset (https://prediction-market-use-ca...). Feedback welcome.
About Prediction Market Odds Calculator on Product Hunt
“Turn Kalshi, Polymarket and sportsbook odds into probability”
Prediction Market Odds Calculator was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #251 on the daily leaderboard. Free, in-browser calculator: turn contract prices, American, decimal or fractional odds into implied probability, and see expected value after fees. Part of a free directory of open-source Kalshi and Polymarket bots and tools. No signup.
On the analytics side, Prediction Market Odds Calculator competes within Open Source, Fintech and Developer Tools — topics that collectively have 639.9k followers on Product Hunt. The dashboard above tracks how Prediction Market Odds Calculator performed against the three products that launched closest to it on the same day.
Who hunted Prediction Market Odds Calculator?
Prediction Market Odds Calculator was hunted by PM Use Cases. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Prediction Market Odds Calculator including community comment highlights and product details, visit the product overview.
PM Use Cases