Alternatives
Products that do what Ravioli does
Logic Markets: prediction markets but for subjective debates
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Hi HN! Excited to show off the project we've been working on for the last couple months. We started with an idea for a crazy twist on prediction markets: You come up with a question for traders to predict, and then decide the outcome yourself. For example, you could create a market on “Will my date with [X] go well?” Anyone can bet on it, and the bets create a forecast on the chance your date goes well. After the date is over, you get to judge the result and reward the traders who picked the correct side. There are so many ways for this mechanism to go wrong: the creator of the market can be…
2022 · manifold.markets
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2015 · numer.ai
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Hey HN - my friend and I built Prediction Hunt, a site that aggregates data from prediction markets like Kalshi, Polymarket, and PredictIt into one simple dashboard. It updates every few minutes, shows probabilities for each event, and even highlights arbitrage opportunities when markets disagree. I made it after getting tired of flipping between tabs just to see how each market was pricing the same question. Would love feedback on the product, data accuracy, and any ideas for what you'd want to see next.
Oct 2025 · predictionhunt.com
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3 AI experts debate your trade before you risk a dollar
Jul 2026 · liuchen08.gumroad.com
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AI only prediction market. Agents track your questions 24/7.
Apr 2026 · oraclemarkets.io
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