Other prediction markets: Kalshi vs Polymarket
Everything that doesn't fit the categories above. We track 63 other questions listed on both exchanges (63 live now); 56 have disagreed by more than the fees at least once.
Most-disagreed other markets
| Market | Fee-clearing detections | Largest net edge | Last |
|---|---|---|---|
| Will Benjamin Netanyahu visit New York City before October? Yes | 1,816 | 3.39% | Sep 2, 2026 |
| Middleweight Title Holder on Dec 31, 2026? Nassourdine Imavov | 1,104 | 2.32% | Aug 28, 2026 |
| Kiwoom Heroes vs Lotte Giants Lotte Giants | 599 | 14.97% | Aug 19, 2026 |
| Kiwoom Heroes vs Lotte Giants Kiwoom Heroes | 586 | 14.98% | Aug 19, 2026 |
| Fukuoka Hawks vs Hokkaido Nippon-Ham Fighters Hokkaido Nippon-Ham Fighters | 430 | 14.93% | Aug 18, 2026 |
| Tokyo Yakult Swallows vs Hanshin Tigers Hanshin Tigers | 387 | 14.78% | Aug 19, 2026 |
| Fukuoka Hawks vs Hokkaido Nippon-Ham Fighters Fukuoka Hawks | 184 | 14.99% | Aug 18, 2026 |
| Tokyo Yakult Swallows vs Hanshin Tigers Tokyo Yakult Swallows | 145 | 13.10% | Aug 18, 2026 |
Every shared other market
| Market | Outcome | Match | Detections | Status |
|---|---|---|---|---|
| Will Benjamin Netanyahu visit New York City before October? Yes | Benjamin Netanyahu physically visits New York City before October 1, 2026 | AI-matched · 98% | 1,816 | live |
| Middleweight Title Holder on Dec 31, 2026? Nassourdine Imavov | Nassourdine Imavov is the official UFC Middleweight Champion at 12:00 PM ET o… | AI-matched · 100% | 1,104 | live |
| Kiwoom Heroes vs Lotte Giants Lotte Giants | Lotte Giants win the game | AI-matched · 98% | 599 | live |
| Kiwoom Heroes vs Lotte Giants Kiwoom Heroes | Kiwoom Heroes win the scheduled game vs Lotte Giants | AI-matched · 98% | 586 | live |
| Fukuoka Hawks vs Hokkaido Nippon-Ham Fighters Hokkaido Nippon-Ham Fighters | Nippon Ham Fighters win the specified NPB game | AI-matched · 98% | 430 | live |
| Tokyo Yakult Swallows vs Hanshin Tigers Hanshin Tigers | Hanshin Tigers win the specified NPB game | AI-matched · 98% | 387 | live |
| Fukuoka Hawks vs Hokkaido Nippon-Ham Fighters Fukuoka Hawks | Fukuoka SoftBank Hawks win the specified NPB game | AI-matched · 98% | 184 | live |
| Tokyo Yakult Swallows vs Hanshin Tigers Tokyo Yakult Swallows | Tokyo Yakult Swallows win the specified NPB game | AI-matched · 98% | 145 | live |
| Los Angeles D vs Colorado: First 5 Spread Colorado -1.5 first 5 innings | Colorado Rockies lead by 2+ runs after 5 innings | AI-matched · 98% | 144 | live |
| Tokyo Yakult Swallows vs Hanshin Tigers Hanshin Tigers | Hanshin Tigers win the specified NPB game | AI-matched · 98% | 134 | live |
| SSG Landers vs Samsung Lions Samsung Lions | Samsung Lions win the game | AI-matched · 98% | 99 | live |
| Hokkaido Nippon-Ham Fighters vs Fukuoka Hawks Fukuoka Hawks | Fukuoka Hawks win the NPB game scheduled for September 8, 2026 at 5:00 AM ET | AI-matched · 95% | 95 | live |
| Saitama Seibu Lions vs Tohoku Rakuten Golden Eagles Tohoku Rakuten Golden Eagles | Tohoku Rakuten Golden Eagles win the NPB game originally scheduled for August… | AI-matched · 95% | 74 | live |
| Los Angeles D vs Colorado: First 5 Spread Colorado -1.5 first 5 innings | Colorado Rockies lead by 2+ runs after 5 innings | AI-matched · 98% | 63 | live |
| SSG Landers vs Samsung Lions SSG Landers | SSG Landers win the game | AI-matched · 98% | 56 | live |
| Saitama Seibu Lions vs Orix Buffaloes Saitama Seibu Lions | Saitama Seibu Lions win the NPB game scheduled for September 8, 2026 at 5:00 … | AI-matched · 95% | 52 | live |
| Saitama Seibu Lions vs Orix Buffaloes Orix Buffaloes | Orix Buffaloes win the NPB game | AI-matched · 95% | 43 | live |
| Fukuoka Hawks vs Hokkaido Nippon-Ham Fighters Hokkaido Nippon-Ham Fighters | Nippon Ham Fighters win the game | AI-matched · 95% | 40 | live |
| Fight Night: Hernandez vs Rodrigues Anthony Hernandez | Anthony Hernandez is officially declared the winner of the fight against Greg… | AI-matched · 98% | 33 | live |
| Fight Night: Hernandez vs Rodrigues Gregory Rodrigues | Gregory Rodrigues is officially declared the winner of the Hernandez vs Rodri… | AI-matched · 98% | 32 | live |
| Tohoku Rakuten Golden Eagles vs Orix Buffaloes Orix Buffaloes | Orix Buffaloes win the NPB game scheduled for August 26, 2026 at 5:00 AM ET | AI-matched · 95% | 28 | live |
| Los Angeles A vs Houston: First 5 Spread Los Angeles A -1.5 first 5 innings | Los Angeles Angels lead by 2+ runs after 5 innings | AI-matched · 98% | 26 | live |
| Tohoku Rakuten Golden Eagles vs Orix Buffaloes Tohoku Rakuten Golden Eagles | Tohoku Rakuten Golden Eagles win the NPB game | AI-matched · 95% | 26 | live |
| Fight Night: Young vs Dorsainvil Gauge Young | Gauge Young wins the fight | AI-matched · 98% | 25 | live |
| Yomiuri Giants vs Tokyo Yakult Swallows Yomiuri Giants | Yomiuri Giants win the NPB game originally scheduled for August 25, 2026 at 5… | AI-matched · 95% | 20 | live |
| Fukuoka Hawks vs Hokkaido Nippon-Ham Fighters Fukuoka Hawks | Fukuoka Hawks win the specified NPB game | AI-matched · 100% | 19 | live |
| Dinamo Zagreb vs Viking: Spread Dinamo Zagreb wins by more than 1.5 goals | Dinamo Zagreb wins by more than 1.5 goals (i.e., by 2 or more goals) after 90… | AI-matched · 98% | 18 | live |
| Orix Buffaloes vs Tohoku Rakuten Golden Eagles Tohoku Rakuten Golden Eagles | Tohoku Rakuten Golden Eagles win the NPB game originally scheduled for Sep 1,… | AI-matched · 95% | 17 | live |
| Tokyo Yakult Swallows vs Chunichi Dragons Tokyo Yakult Swallows | Tokyo Yakult Swallows win the NPB game originally scheduled for August 21, 20… | AI-matched · 95% | 16 | live |
| Fight Night: Padilla vs Haqparast Nasrat Haqparast | Nasrat Haqparast wins the fight | AI-matched · 98% | 16 | live |
| Casa Pia vs SL Benfica: BTTS Both Teams To Score | Both Casa Pia and SL Benfica score at least one goal in regulation time (90 m… | AI-matched · 98% | 15 | live |
| Fukuoka Hawks vs Hokkaido Nippon-Ham Fighters Hokkaido Nippon-Ham Fighters | Nippon Ham Fighters win the scheduled game vs Fukuoka Hawks | AI-matched · 100% | 15 | live |
| Orix Buffaloes vs Tohoku Rakuten Golden Eagles Orix Buffaloes | Orix Buffaloes win the NPB game originally scheduled for Sep 1, 2026 at 5:00 … | AI-matched · 95% | 15 | live |
| Fight Night: Padilla vs Haqparast Christopher Padilla | Chris Padilla is officially declared the winner of the fight against Nasrat H… | AI-matched · 98% | 15 | live |
| Saitama Seibu Lions vs Tohoku Rakuten Golden Eagles Saitama Seibu Lions | Saitama Seibu Lions win the NPB game originally scheduled for August 22, 2026… | AI-matched · 95% | 14 | live |
| Orix Buffaloes vs Saitama Seibu Lions Saitama Seibu Lions | Saitama Seibu Lions win the NPB game originally scheduled for August 20, 2026… | AI-matched · 95% | 13 | live |
| St. Louis vs Cincinnati: Game 2 First Inning Run Yes | At least one run is scored in the first inning of the St. Louis Cardinals vs.… | AI-matched · 98% | 11 | live |
| Fukuoka Hawks vs Chiba Lotte Marines Chiba Lotte Marines | Chiba Lotte Marines win the NPB game originally scheduled for August 27, 2026… | AI-matched · 95% | 11 | live |
| Hanshin Tigers vs Tokyo Yakult Swallows Hanshin Tigers | Hanshin Tigers win the NPB game originally scheduled for Sep 1, 2026 at 5:00 … | AI-matched · 95% | 10 | live |
| Internacional vs Remo: BTTS Both Teams To Score | Both Internacional and Remo each score at least one goal in regulation time (… | AI-matched · 98% | 8 | live |
| Hanshin Tigers vs Tokyo Yakult Swallows Tokyo Yakult Swallows | Tokyo Yakult Swallows win the originally scheduled NPB game | AI-matched · 95% | 7 | live |
| Fukuoka Hawks vs Chiba Lotte Marines Chiba Lotte Marines | Chiba Lotte Marines win the NPB game originally scheduled for August 26, 2026… | AI-matched · 95% | 6 | live |
| Tohoku Rakuten Golden Eagles vs Orix Buffaloes Tohoku Rakuten Golden Eagles | Tohoku Rakuten Golden Eagles win the NPB game originally scheduled for August… | AI-matched · 95% | 6 | live |
| Fukuoka Hawks vs Chiba Lotte Marines Fukuoka Hawks | Fukuoka Hawks win the NPB game originally scheduled for August 26, 2026 at 5:… | AI-matched · 95% | 5 | live |
| Fukuoka Hawks vs Hokkaido Nippon-Ham Fighters Hokkaido Nippon-Ham Fighters | Nippon Ham Fighters win the game | AI-matched · 95% | 5 | live |
| Pachuca vs Puebla: BTTS Both Teams To Score | Both Pachuca and Puebla score at least one goal in regulation (90 minutes plu… | AI-matched · 98% | 4 | live |
| Deportivo De La Coruna vs Elche: BTTS Both Teams To Score | Both Deportivo De La Coruna and Elche score at least one goal in regulation (… | AI-matched · 98% | 3 | live |
| Fukuoka Hawks vs Hokkaido Nippon-Ham Fighters Fukuoka Hawks | Fukuoka Hawks win the NPB game originally scheduled for Sep 1, 2026 at 5:00 A… | AI-matched · 95% | 3 | live |
| Fight Night: Emmers vs Douglas Lerryan Douglas | Lerryan Douglas is officially declared the winner of the Emmers vs Douglas fight | AI-matched · 98% | 3 | live |
| Fight Night: Emmers vs Douglas Jamall Emmers | Jamall Emmers wins the fight | AI-matched · 98% | 3 | live |
| Fight Night: Judice vs Chaves Jeisla Chaves | Jeisla Chaves wins the Judice vs Chaves fight | AI-matched · 98% | 2 | live |
| Fight Night: Judice vs Chaves Carli Judice | Carli Judice is officially declared the winner of the Judice vs Chaves fight | AI-matched · 100% | 2 | live |
| Chiba Lotte Marines vs Hokkaido Nippon-Ham Fighters Hokkaido Nippon-Ham Fighters | Nippon Ham Fighters win the game | AI-matched · 95% | 1 | live |
| Tohoku Rakuten Golden Eagles vs Saitama Seibu Lions Saitama Seibu Lions | Saitama Seibu Lions win the originally scheduled NPB game on August 28, 2026 | AI-matched · 95% | 1 | live |
| Fight Night: Nzechukwu vs Gaziev Shamil Gaziev | Shamil Gaziev is officially declared the winner of the fight against Kennedy … | AI-matched · 98% | 1 | live |
| Fight Night: Nzechukwu vs Gaziev Kennedy Nzechukwu | Kennedy Nzechukwu is officially declared the winner of the fight against Sham… | AI-matched · 95% | 1 | live |
| Cremonese vs Sampdoria: Regulation Time BTTS Reg Time: Both Teams To Score | Both Cremonese and Sampdoria score at least one goal in regulation time (90 m… | AI-matched · 98% | 0 | live |
| Hokkaido Nippon-Ham Fighters vs Chiba Lotte Marines Chiba Lotte Marines | Chiba Lotte Marines win the originally scheduled NPB game | AI-matched · 95% | 0 | live |
| Hokkaido Nippon-Ham Fighters vs Chiba Lotte Marines Hokkaido Nippon-Ham Fighters | Nippon Ham Fighters win the game | AI-matched · 95% | 0 | live |
| Hokkaido Nippon-Ham Fighters vs Chiba Lotte Marines Chiba Lotte Marines | Chiba Lotte Marines win the originally scheduled NPB game | AI-matched · 95% | 0 | live |
| Hokkaido Nippon-Ham Fighters vs Chiba Lotte Marines Hokkaido Nippon-Ham Fighters | Hokkaido Nippon-Ham Fighters win the game | AI-matched · 95% | 0 | live |
| Fukuoka Hawks vs Chiba Lotte Marines Fukuoka Hawks | Fukuoka Hawks win the originally scheduled NPB game | AI-matched · 95% | 0 | live |
| Hokkaido Nippon-Ham Fighters vs Tohoku Rakuten Golden Eagles Tohoku Rakuten Golden Eagles | Tohoku Rakuten Golden Eagles win the NPB game originally scheduled for Sep 6,… | AI-matched · 95% | 0 | live |
Frequently asked questions
Do Kalshi and Polymarket disagree on other markets?
Yes. Of the 63 other questions we track on both exchanges, 56 have shown at least one window where buying the cheaper side on each venue cost less than $1 after both fees, with net edges up to 3.39%.
What fees apply?
Kalshi charges takers 7% × price × (1 − price) per contract. Polymarket's other rate is about 5% on the same curve; makers pay nothing on either.
Do both contracts resolve identically?
Each pair was confirmed as the same question by an automated reviewer with a visible confidence score, but resolution rules can differ in edge cases. Read both rule sets before treating a gap as risk-free.
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