Biggest Prediction Market Movers Today

The outcomes whose price moved most in the last 24 hours, one per event, largest move first. A move is the change in price in cents; a price in cents is the market’s implied probability.

Prices as of . Refreshes every few minutes.

MarketLeading outcomePrice24h change24h volumeClosesTrade
Katie Zacharia out as White House Press Secretary?9 outcomesWill Katie Zacharia be out as White House Press Secretary before Oct 24, 2026?97¢97% implied+86¢1.7M contractsTrade on Kalshi
Oscar Winner: Best Picture41 outcomesYou Can See Everything19¢19% implied+9¢235K contractsTrade on Kalshi
BTC price on October 319 outcomesBTC price on October 31 — $82,500 or above50¢50% implied−8¢$7KTrade on Gemini
Ohio State vs Indiana: Point Spread29 outcomesOhio State vs Indiana: Point Spread — Ohio State wins by more than 6.5 points36¢36% implied−8¢$5KTrade on Gemini
Oscar Winner: Best Documentary Feature Film11 outcomesYou Can See Everything74¢74% implied+5¢15K contractsTrade on Kalshi
Prime Minister of Sweden after the general election?4 outcomesUlf Kristersson13¢13% implied−3¢6K contractsTrade on Kalshi
Ohio State vs Indiana2 outcomesIndiana42¢42% implied+3¢$9KTrade on Gemini
Fed decision in October?5 outcomesHike 25bps14¢14% implied−3¢$40KTrade on Gemini
2028 Republican presidential nominee43 outcomesMarco Rubio18¢18% implied+2¢37K contractsTrade on Kalshi
Tampa Bay vs Cleveland : Game 4: Total Runs10 outcomesMore than 6.5 runs scored53¢53% implied+2¢$11KTrade on Gemini

Prices are the last traded price, else the bid/ask midpoint. Kalshi volume is in contracts; Gemini volume in dollars, for the whole event. Only markets with at least 5,000 contracts (Kalshi) or $5,000 (Gemini) traded in 24 hours are listed. Not financial advice. See our methodology.