| Will the Republicans win the Ohio governor race in 2026?Ends in 13d | No | 900 | 67¢ → 78¢ | $702 | +$99 +16% |
| OpenAI IPO closing market cap above $1.6T?Ends in 436d | Yes | 1,411 | 46¢ → 49¢ | $684 | +$40 +6.3% |
| Will OpenAI’s market cap be $1.5T or greater at market close on IPO day by December 31, 2027?Ends in 436d | Yes | 1,426 | 72¢ → 43¢ | $613 | −$418 −41% |
| Will no Millennium Prize Problem be solved by AI by December 31, 2027?Ends in 436d | Yes | 1,703 | 27¢ → 35¢ | $596 | +$137 +30% |
| 2026 Balance of Power: R Senate, R HouseEnds in 13d | No | 600 | 92¢ → 93¢ | $555 | +$3 +0.5% |
| OpenAI vs Meta — higher valuation on December 31?Ends in 75d | Meta | 580 | 76¢ → 91¢ | $525 | +$82 +19% |
| OpenAI IPO closing market cap above $1.4T?Ends in 436d | Yes | 826 | 60¢ → 62¢ | $512 | +$14 +2.9% |
| Will Anthropic's valuation hit (LOW) $800B by December 31?Ends in 75d | No | 460 | 86¢ → 97¢ | $444 | +$51 +13% |
| Will OpenAI not IPO by December 31, 2027?Ends in 436d | Yes | 1,400 | 7¢ → 25¢ | $356 | +$261 +275% |
| Will OpenAI rename itself to OpenSI?Ends in 71d | No | 347 | 95¢ → 92¢ | $321 | −$9 −2.8% |
| Anthropic IPO before 2027?Ends in 71d | Yes | 400 | 80¢ → 80¢ | $320 | $0 0.0% |
| Will Ukraine sign an EU accession treaty by December 31, 2027?Ends in 436d | No | 355 | 89¢ → 85¢ | $300 | −$16 −5.0% |
| Pete Hegseth out as Secretary of Defense by November 30?Ends in 40d | No | 350 | 90¢ → 85¢ | $296 | −$19 −6.0% |
| Will Abstract launch a token by December 31, 2026Ends in 71d | No | 300 | 98¢ → 97¢ | $292 | −$2 −0.6% |
| Will an AI lab announce another Millennium Prize solution by December 31, 2027?Ends in 436d | No | 795 | 23¢ → 36¢ | $286 | +$105 +58% |
| NATO x Russia military clash by October 31, 2026?Ends in 10d | No | 290 | 89¢ → 91¢ | $262 | +$4 +1.7% |
| Will Avigdor Lieberman be the next Prime Minister of Israel?Ends in 6d | No | 247 | 95¢ → 97¢ | $241 | +$7 +3.0% |
| 2026 Balance of Power: D Senate, D HouseEnds in 13d | Yes | 350 | 63¢ → 65¢ | $226 | +$5 +2.4% |
| Will Oura not IPO before January 2027?Ends in 71d | Yes | 237 | <1¢ → 92¢ | $217 | +$216 +21632% |
| Republican Senate odds hit 50% by October 31?Ends in 10d | No | 200 | 88¢ → 99¢ | $198 | +$22 +12% |
| Will OpenAI's valuation hit (LOW) $825B by October 31?Ends in 10d | No | 200 | 86¢ → 99¢ | $197 | +$25 +15% |
| Michigan Senate favorite on November 2?Ends in 12d | El-Sayed | 200 | 90¢ → 95¢ | $190 | +$10 +5.6% |
| Will OpenAI's valuation hit (LOW) $950B by October 31?Ends in 10d | No | 184 | 67¢ → 97¢ | $178 | +$54 +44% |
| Will the next Google Gemini Pro model added to the Arena Leaderboard debut at a score of at least 1510?Ends ended | No | 200 | 74¢ → 80¢ | $160 | +$12 +8.3% |
| OpenAI IPO closing market cap above $1T?Ends in 436d | Yes | 218 | 47¢ → 71¢ | $155 | +$52 +51% |
| Will OpenAI's valuation hit (HIGH) $1.5T by December 31?Ends in 75d | No | 192 | 52¢ → 80¢ | $154 | +$53 +53% |
| Will J.B. Pritzker win the 2028 Democratic presidential nomination?Ends in 748d | Yes | 11,765 | 2¢ → 1¢ | $153 | −$47 −24% |
| Will OpenAI's IPO valuation be less than $1T?Ends in 436d | No | 170 | 87¢ → 77¢ | $131 | −$17 −11% |
| Will the Birch and Swinnerton-Dyer Conjecture be the next Millennium Prize Problem solved by AI?Ends in 436d | Yes | 774 | 23¢ → 17¢ | $128 | −$52 −29% |
| Will OpenAI have the second highest private market valuation at the end of October?Ends in 10d | Yes | 120 | 92¢ → 97¢ | $116 | +$6 +5.7% |
| Will the Bank of Canada make no change to the target for the overnight rate at the December interest rate announcement?Ends in 48d | Yes | 200 | 25¢ → 56¢ | $113 | +$63 +126% |
| Will the Bitcoin Volatility Index hit 70 by October 31?Ends in 10d | No | 115 | 85¢ → 93¢ | $106 | +$9 +8.8% |
| Anthropic acquired before 2027?Ends in 71d | No | 100 | 92¢ → 98¢ | $98 | +$6 +6.5% |
| Will OpenAI's valuation hit (HIGH) $2.5T by December 31?Ends in 71d | No | 100 | 92¢ → 97¢ | $97 | +$5 +5.6% |
| Will Waymo launch in London, UK by December 31 2026?Ends in 71d | No | 100 | 95¢ → 97¢ | $97 | +$2 +2.1% |
| Will Anthropic's valuation hit (LOW) $1.2T by October 31?Ends in 10d | No | 100 | 96¢ → 96¢ | $96 | +$0 +0.5% |
| Trump out as President before 2027?Ends in 71d | No | 100 | 84¢ → 95¢ | $95 | +$11 +14% |
| Will the Sweden Democrats (SD) be in the next Swedish government?Ends ended | No | 100 | 96¢ → 94¢ | $94 | −$2 −1.8% |
| Will NVIDIA be the largest company in the world by market cap on December 31?Ends in 71d | Yes | 125 | 72¢ → 75¢ | $94 | +$4 +4.0% |
| Will Likud win 30-34 seats in the 2026 Israeli legislative election?Ends in 6d | No | 100 | 85¢ → 93¢ | $93 | +$8 +9.4% |
| Plague case in US by December 31?Ends in 71d | No | 100 | 87¢ → 93¢ | $93 | +$6 +6.3% |
| Tesla and SpaceX merger officially announced by January 31, 2027?Ends in 102d | Yes | 300 | 22¢ → 31¢ | $92 | +$26 +39% |
| Will the Hodge Conjecture be the next Millennium Prize Problem solved by AI?Ends in 436d | Yes | 285 | 32¢ → 32¢ | $90 | −$2 −2.0% |
| Diddy released from custody in 2026?Ends in 71d | No | 100 | 91¢ → 84¢ | $84 | −$7 −7.3% |
| Will Anthropic IPO by December 31, 2026?Ends in 71d | No | 390 | 20¢ → 20¢ | $76 | −$2 −3.2% |
| Will Ulrich Siegmund be the next Minister-President of Sachsen-Anhalt?Ends ended | No | 288 | 75¢ → 26¢ | $75 | −$142 −65% |
| Will the lowest St. Louis river level be -3.00 to -1.01 ft by November 30?Ends in 41d | No | 100 | 93¢ → 74¢ | $74 | −$19 −21% |
| Will Anthropic not IPO by December 31 2027?Ends in 436d | No | 73 | 95¢ → 96¢ | $71 | +$1 +0.9% |
| Will Oura's market cap be at least $20B at market close on IPO day?Ends in 71d | No | 70 | 72¢ → 98¢ | $69 | +$18 +36% |
| Will Anthropic's valuation hit (HIGH) $2.5T by December 31?Ends in 75d | Yes | 271 | 15¢ → 24¢ | $65 | +$24 +60% |
| Will the Democrats win the Texas Senate race in 2026?Ends in 13d | Yes | 100 | 66¢ → 65¢ | $65 | −$2 −2.3% |
| U.S. anti-cartel operation outside of the U.S. by December 31?Ends in 71d | No | 260 | 42¢ → 23¢ | $59 | −$49 −46% |
| Will A Knight of the Seven Kingdoms rank in Google’s Top 5 Most Searched TV Shows of 2026?Ends in 70d | Yes | 80 | 35¢ → 73¢ | $58 | +$30 +107% |
| Will Trump's approval rating be at least 39.0 on October 23, 2026?Ends in 2d | Yes | 254 | 28¢ → 21¢ | $53 | −$19 −26% |
| Will the next Google Gemini Pro model added to the Arena Leaderboard debut at a score of at least 1480?Ends ended | Yes | 200 | 31¢ → 26¢ | $52 | −$10 −17% |
| Will the Democratic Party candidate win the 2026 NY-05 House election by 50%-55%?Ends in 13d | Yes | 100 | 37¢ → 47¢ | $47 | +$10 +26% |
| Will OpenAI’s market cap be $1.5T or greater at market close on IPO day?Ends in 71d | No | 46 | 77¢ → 99¢ | $45 | +$10 +29% |
| Will Anthropic's valuation hit (HIGH) $1.5T by December 31?Ends in 75d | No | 489 | 47¢ → 9¢ | $42 | −$186 −82% |
| Tesla and SpaceX merger officially announced by December 31?Ends in 71d | No | 50 | 63¢ → 81¢ | $40 | +$9 +28% |
| Tesla and SpaceX merger officially announced by December 31, 2027?Ends in 436d | Yes | 60 | 55¢ → 66¢ | $40 | +$7 +20% |
| Will the Ornn B200 Index be between $5.50 and $6.00 on December 31, 2026?Ends in 70d | No | 40 | 93¢ → 98¢ | $39 | +$2 +5.5% |
| Will OpenAI's valuation hit (HIGH) $1.6T by October 31?Ends in 10d | No | 40 | 87¢ → 98¢ | $39 | +$4 +13% |
| Will the Democratic Party control the House after the 2026 Midterm elections?Ends in 13d | Yes | 40 | 77¢ → 92¢ | $37 | +$6 +19% |
| Israeli election results in a hung parliament?Ends in 5d | Yes | 96 | 37¢ → 36¢ | $34 | −$1 −3.5% |
| Will Trump's approval rating be between 39.0 and 39.4 on October 23, 2026?Ends in 2d | Yes | 200 | 24¢ → 16¢ | $32 | −$16 −33% |
| Will Majid Takht-Ravanchi attend a US x Iran diplomatic meeting by December 31, 2026?Ends in 70d | Yes | 120 | 30¢ → 27¢ | $32 | −$4 −11% |
| Insurrection Act invoked by December 31?Ends in 71d | No | 37 | 77¢ → 82¢ | $30 | +$2 +6.5% |
| Will Google be the #2 AI lab at the end of December 2026?Ends in 71d | Yes | 100 | 49¢ → 30¢ | $30 | −$19 −40% |
| Will OpenAI not IPO by December 31, 2026?Ends in 71d | Yes | 30 | 29¢ → 96¢ | $29 | +$20 +232% |
| Will 7 or more people leave the Trump Cabinet by December 31, 2026?Ends in 71d | No | 28 | 85¢ → 88¢ | $25 | +$1 +2.6% |
| Will the UK Budget include a wealth tax?Ends in 7d | No | 26 | 90¢ → 96¢ | $25 | +$2 +6.9% |
| Will the Ornn RTX 5090 Index be between $0.50 and $0.55 on October 31, 2026?Ends in 9d | No | 20 | 88¢ → 99¢ | $20 | +$2 +13% |
| Will Anthropic launch a Muse-like personal agent before 2027?Ends in 71d | Yes | 72 | 37¢ → 28¢ | $20 | −$7 −26% |
| Will the Bitcoin Volatility Index dip to 35 by October 31?Ends in 10d | No | 20 | 54¢ → 97¢ | $19 | +$9 +80% |
| Will Snapchat be acquired before 2027?Ends in 71d | No | 20 | 77¢ → 95¢ | $19 | +$4 +23% |
| OpenAI vs. Anthropic: First to another Millennium Prize Solution?Ends in 436d | OpenAI | 33 | 35¢ → 58¢ | $19 | +$7 +66% |
| Will OpenAI IPO by December 31 2026?Ends in 71d | Yes | 400 | 5¢ → 5¢ | $18 | −$2 −8.0% |
| Will the UK Budget include an increase to capital gains tax?Ends in 7d | Yes | 240 | 66¢ → 7¢ | $17 | −$141 −89% |
| Will OpenAI’s market cap be between $1T and $1.25T at market close on IPO day?Ends in 71d | Yes | 3,605 | 14¢ → <1¢ | $14 | −$489 −97% |
| Will Gold (XAUUSD) hit (LOW) $4,000 in October?Ends in 10d | No | 20 | 56¢ → 72¢ | $14 | +$3 +29% |
| Will the Democratic Party candidate win the 2026 OR-06 House election by 20%-25%?Ends in 13d | Yes | 45 | 34¢ → 32¢ | $14 | −$1 −6.7% |
| Will 1 person leave the Trump Cabinet by December 31, 2026?Ends in 71d | No | 20 | 83¢ → 64¢ | $13 | −$4 −23% |
| Will Bad Bunny be the top artist for 2026?Ends in 102d | Yes | 14 | 51¢ → 86¢ | $12 | +$5 +69% |
| OpenAI IPO closing market cap above $1.2T?Ends in 436d | No | 27 | 44¢ → 37¢ | $10 | −$2 −15% |
| Will Elon Musk post 1000+ tweets in October 2026?Ends in 10d | Yes | 10 | 49¢ → >99¢ | $10 | +$5 +103% |
| Will Trump's approval rating hit 40% by June 30, 2027?Ends in 252d | No | 20 | 73¢ → 49¢ | $10 | −$5 −33% |
| Will the Bank of Canada increase the target for the overnight rate by 50+ bps at the December interest rate announcement?Ends in 48d | No | 10 | 90¢ → 98¢ | $10 | +$1 +8.2% |
| Will a Chinese company have one of the top 3 AI models by December 31?Ends in 71d | Yes | 50 | 22¢ → 19¢ | $9 | −$2 −16% |
| Will Predict.fun launch a token by November 30, 2026?Ends in 40d | No | 50 | 35¢ → 19¢ | $9 | −$8 −47% |
| Will OpenAI’s market cap be between $750B and $1T at market close on IPO day?Ends in 71d | Yes | 1,480 | 10¢ → 1¢ | $9 | −$142 −94% |
| Will Texas Tech be a top 4 seed in the 2027 College Football Playoffs?Ends in 60d | Yes | 40 | 12¢ → 22¢ | $9 | +$4 +72% |
| Will Bitcoin outperform Gold in 2026?Ends in 71d | Yes | 20 | 45¢ → 42¢ | $8 | −$1 −6.7% |
| Will 6 people leave the Trump Cabinet by December 31, 2026?Ends in 71d | Yes | 28 | 2¢ → 29¢ | $8 | +$8 +1433% |
| Will Trump's approval rating be between 37.5 and 37.9 on October 23, 2026?Ends in 2d | Yes | 60 | 6¢ → 9¢ | $5 | +$2 +50% |
| Don Lemon sentenced to prison?Ends ended | No | 6 | 90¢ → 97¢ | $5 | +$0 +7.5% |
| Jair Bolsonaro pardoned by March 31, 2027?Ends in 161d | Yes | 7 | 70¢ → 70¢ | $5 | −$0 −0.7% |
| Plague pandemic in 2026?Ends in 71d | Yes | 190 | 4¢ → 2¢ | $3 | −$4 −56% |
| Will Bernie Sanders be TIME Person of the Year 2026?Ends in 71d | Yes | 297 | <1¢ → 1¢ | $3 | +$3 +1002% |
| Will OpenAI’s market cap be between $1.25T and $1.5T at market close on IPO day by December 31, 2027?Ends in 436d | Yes | 25 | 10¢ → 13¢ | $3 | +$1 +36% |
| Will the Bitcoin Volatility Index hit 45 by October 31?Ends in 10d | Yes | 20 | 28¢ → 14¢ | $3 | −$3 −48% |
