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Hey 👋 Dave here, solo founder of Tickerbook. This started a few months ago when I noticed the same contract "Fed cuts at the May FOMC "was trading at 0.35 on Polymarket and 0.41 on Kalshi. Same event, same day, 6 cents apart. Looked again the next morning — still there, different number. Looked again the next week — structural. Turns out this happens on hundreds of contracts. Kalshi is...
TickerbookTwo markets, one book
Research and decision-support terminal for prediction markets. Cross-venue arbitrage, multi-outcome dutching, AI-generated research briefs. Unifies Polymarket and Kalshi into one dashboard.
TickerbookTwo markets, one book