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Prediction markets intelligence desk. Access real-time alerts on Telegram: @Predictbook.

Joined June 2022
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What tools are you actually using to trade on prediction markets? We've been keeping an open directory of them. 57 so far: wallet trackers, whale alerts, terminals, copy trading, odds aggregators, data APIs. Most were submitted by the teams that built them. Missing something you use? Drop it below / add a PR. github.com/Predictbook/aweso…
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Our analysis examines whether that growth supports traders optimism despite concerns over AI spending. predictbook.co/analysis/trad…
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💻 Anthropic’s IPO valuation expectations have cooled, but Polymarket traders remain bullish on its stock-market debut. A market cap of $1.75T–$2T at the close of its first trading day is the leading range at 32%. The company’s S-1 showed first-half 2026 revenue of $16.3B, up from $1.2B a year earlier, while its operating loss narrowed to $693M.
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$100 on Serbia’s Student List a week before the result would have returned $317.46. YES shares were trading at 31.5¢ on October 19. Here’s how that week unfolded.
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🇮🇱 Israel is voting, and Polymarket favors Gadi Eisenkot to become prime minister. But the outcome will also depend on coalition talks. The former IDF chief has a 62% chance, ahead of Benjamin Netanyahu at 24% and Naftali Bennett at 9%. Pre-election polling left neither bloc assured of a parliamentary majority, making smaller parties crucial to negotiations that could take weeks. Our analyst @Journalancer examines Eisenkot market lead and the obstacles to forming the next government.
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Our analysis examines Democrats late push and the Republican advantage traders still expect to hold. predictbook.co/analysis/trum…
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🇺🇸 Trump is rallying behind Cindy Hyde-Smith. Obama is backing Scott Colom. Mississippi’s Senate race is drawing national attention. Polymarket gives Republican Hyde-Smith an 87% chance of reelection, versus 14% for Democrat Colom. A Change Research poll puts voter support much closer: 43% for Hyde-Smith and 40% for Colom.
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On Kalshi 35% chance no one is the Prime Minister of Israel after the 2026 election.
🇮🇱 Israel votes as Polymarket favors Eizenkot to become the next prime minister. Polymarket gives Gadi Eizenkot a 62% chance of becoming prime minister after the election, ahead of Netanyahu at 27% and Naftali Bennett at 8%. More than $58M has been traded on on who will lead the next government.
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JUST IN: S&P Dow Jones Indices is teaming up with Kalshi to build prediction-market indices. S&P Dow Jones Indices and Kalshi will develop benchmarks composed of event contracts. Potential themes include political power, supply-chain risks, AI’s impact on employment and weather. CEO Tarek Mansour says future products based on these indices could offer diversified exposure to real-world events and new ways to hedge their impact.
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A Polymarket trader has $117.7K on the Fed NOT raising rates by 25 basis points in October. The latest buy added $104.6K at 93¢, bringing the potential payout to $127.6K if the outcome resolves NO.
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🇮🇱 Israel votes as Polymarket favors Eizenkot to become the next prime minister. Polymarket gives Gadi Eizenkot a 62% chance of becoming prime minister after the election, ahead of Netanyahu at 27% and Naftali Bennett at 8%. More than $58M has been traded on on who will lead the next government.
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Prediction markets are competing for official sports rights. The NBA is the latest addition, naming @Kalshi and @Polymarket its preferred prediction market exchanges on October 26. Here is who’s partnering with whom, and what each deal includes.
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Harry Kane and Kylian Mbappe arrived to the Ballon D’or ceremony.
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One Kalshi trader is confident enough to put $164K on Pittsburgh NOT winning the AFC North. The position pays $200K if the Steelers miss out on the division title.
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