GAPS
505 gaps
340/505 gaps on this page are still profitable after both venues' trading fees. We show every real price gap, including the ones fees turn into a loss — sites that show more "arbitrage" are usually counting the fees you would pay as profit.
| Outcome | Event | Buy at | Buy opposite | Capital | Hold | Fees | Net edge | Profit | Return |
|---|---|---|---|---|---|---|---|---|---|
| Los Angeles R D/ST | Fantasy Football: 2026-27 Season Top D/ST — … | 8.0%Kalshi | 84.0%Gemini | $5 | ~112d | −1.5¢ | 6.5¢ | $0 | 7.1% |
| SIENNA SPIRO | Grammy Winner: Best New Artist — In 2027 | 23.0%Polymarket | 72.0%Kalshi | $11 | ~140d | −2.3¢ | 2.7¢ | $0 | 2.8% |
| Nathan MacKinnon | NHL Hart Memorial Trophy — 2026-27 NHL seaso… | 21.0%Kalshi | 75.0%Polymarket US | $19 | ~262d | −2.5¢ | 1.5¢ | $0 | 1.6% |
| Republican Party | MN-06 House Election Winner | 90.0%Polymarket | 8.1%Kalshi | $29 | ~44d | −0.9¢ | 1.0¢ | $0 | 1.0% |
| 74 to 75°F | Highest temperature in Denver on September 2… | 50.0%Polymarket | 41.0%Kalshi | $5 | ~1d | −2.9¢ | 6.1¢ | $0 | 6.7% |
| Meta | Which companies will have a top-ranked AI mo… | 13.0%Kalshi | 82.0%Polymarket US | $9 | ~102d | −1.8¢ | 3.2¢ | $0 | 3.3% |
| Raphael Warnock | 2028 Democratic VP nominee — In 2028 | 3.4%Kalshi | 96.0%Gemini | $285 | ~776d | −0.5¢ | 0.1¢ | $0 | 0.1% |
| Oklahoma City | Pro Basketball: Best Regular Season Record —… | 39.0%Kalshi | 54.0%Polymarket US | $7 | ~203d | −3.4¢ | 3.6¢ | $0 | 3.9% |
| End of Beginning | #2 Song on Spotify in 2026? | 24.0%Kalshi | 73.0%Polymarket | $38 | ~101d | −2.3¢ | 0.7¢ | $0 | 0.8% |
| Justin Gaethje | Who will be UFC Lightweight champion at the … | 81.0%Polymarket US | 11.9%Polymarket | $5 | ~102d | −1.4¢ | 5.7¢ | $0 | 6.2% |
| Trevor Lawrence | Pro Football Passing Touchdowns Leader — 202… | 7.0%Kalshi | 89.8%Polymarket | $12 | ~114d | −0.9¢ | 2.3¢ | $0 | 2.4% |
| Andrew Scott | Oscar Winner: Best Actor — In 2027 | 16.0%Kalshi | 82.0%Polymarket | $83 | ~175d | −1.7¢ | 0.3¢ | $0 | 0.3% |
| Ty Gibbs | NASCAR Cup Series: 2026 Champion | 4.8%Polymarket | 92.0%Gemini | $11 | ~49d | −0.7¢ | 2.5¢ | $0 | 2.5% |
| USC | College Football Playoff National Championsh… | 4.0%Polymarket US | 92.0%Kalshi | $8 | ~117d | −0.8¢ | 3.2¢ | $0 | 3.4% |
| Democratic | Which party will win young men in the midter… | 75.0%Kalshi | 18.0%Polymarket | $5 | ~47d | −1.9¢ | 5.1¢ | $0 | 5.5% |
| Merab Dvalishvili | Who will be UFC Bantamweight champion at the… | 34.0%Polymarket | 62.0%Polymarket US | $14 | ~102d | −2.3¢ | 1.7¢ | $0 | 1.8% |
| Margo Martin | Who will be Trump's next Press Secretary? — … | 2.9%Polymarket | 95.0%Kalshi | $15 | ~102d | −0.4¢ | 1.7¢ | $0 | 1.7% |
| 14 or above | How many House seats will Democrats win in T… | 13.0%Polymarket | 85.0%Kalshi | $37 | ~43d | −1.3¢ | 0.7¢ | $0 | 0.7% |
| Delcy Rodriguez | Which leaders will leave office in 2026? — B… | 9.9%Kalshi | 87.0%Gemini | $14 | ~102d | −1.4¢ | 1.7¢ | $0 | 1.7% |
| Commanders | Colts vs Commanders | 37.3%Polymarket US | 57.0%Polymarket | $8 | ~14d | −2.9¢ | 2.9¢ | $0 | 3.1% |
| Colts | Colts vs Commanders | 57.0%Polymarket | 37.3%Polymarket US | $8 | ~14d | −2.9¢ | 2.9¢ | $0 | 3.1% |
| Charles Booker | Kentucky Senate winner? — In 2026 | 3.6%Polymarket | 95.0%Kalshi | $26 | ~43d | −0.5¢ | 0.9¢ | $0 | 0.9% |
| Mark Kelly | 2028 Democratic VP nominee — In 2028 | 4.5%Polymarket | 94.0%Gemini | $25 | ~689d | −0.6¢ | 0.9¢ | $0 | 0.9% |
| Yes Above 5% | How high will inflation get in 2026? | 9.0%Polymarket | 84.0%Kalshi | $4 | ~102d | −1.4¢ | 5.6¢ | $0 | 6.1% |
| Inde Navarrette | Oscar winner: Best Actress — In 2027 | 14.0%Polymarket | 82.0%Kalshi | $9 | ~175d | −1.6¢ | 2.4¢ | $0 | 2.5% |
| Ciryl Gane | Who will be UFC Heavyweight champion at the … | 63.0%Polymarket US | 32.0%Polymarket | $8 | ~102d | −2.3¢ | 2.7¢ | $0 | 2.9% |
| North Carolina | College Football ACC Championship Game Quali… | 12.0%Kalshi | 84.0%Polymarket US | $9 | ~76d | −1.7¢ | 2.3¢ | $0 | 2.4% |
| Democratic | GA-01 House Election Winner | 6.0%Polymarket | 92.9%Kalshi | $51 | ~44d | −0.7¢ | 0.4¢ | $0 | 0.4% |
| Jorge Martin | MotoGP World Champion — 2026 | 19.0%Kalshi | 78.0%Polymarket | $19 | ~70d | −1.9¢ | 1.1¢ | $0 | 1.1% |
| Republican | KY-06 House Election Winner | 74.0%Polymarket | 23.0%Kalshi | $20 | ~44d | −2.0¢ | 1.0¢ | $0 | 1.0% |
| Yes Hillary Clinton | Who will be arrested before 2027? — Before J… | 3.3%Polymarket | 95.7%Kalshi | $35 | ~102d | −0.4¢ | 0.6¢ | $0 | 0.6% |
| Abdul El-Sayed (D) | Michigan Senate Election: Kent County Winner | 85.0%Polymarket | 11.0%Polymarket US | $7 | ~44d | −1.2¢ | 2.8¢ | $0 | 2.9% |
| 95 or above | Resident Evil · Rotten Tomatoes score | 92.0%Kalshi | 4.0%Polymarket US | $6 | ~1d | −0.8¢ | 3.2¢ | $0 | 3.4% |
| Real Madrid | League Phase Top Finisher — 2026-27 | 17.0%Polymarket US | 79.0%Kalshi | $10 | ~129d | −2.1¢ | 1.9¢ | $0 | 1.9% |
| 96 to 97°F | Highest temperature in Dallas on September 2… | 34.0%Kalshi | 62.0%Polymarket | $14 | ~1d | −2.7¢ | 1.3¢ | $0 | 1.3% |
| OpenAI | Which company has best AI model end of 2026? | 13.0%Polymarket | 83.0%Polymarket US | $7 | ~102d | −1.4¢ | 2.6¢ | $0 | 2.7% |
| Baltimore | Pro Football Playoff Qualifiers? | 73.0%Gemini | 17.0%Polymarket US | $2 | ~112d | −2.4¢ | 7.6¢ | $0 | 8.5% |
| Republican | NV-03 House winner? — In 2026 | 6.0%Polymarket | 93.0%Kalshi | $52 | ~44d | −0.7¢ | 0.3¢ | $0 | 0.3% |
| Rostik Team | Travoman Team vs Rostik Team | 39.0%Polymarket US | 57.0%Polymarket | $14 | ~1d | −2.9¢ | 1.1¢ | $0 | 1.2% |
| Travoman Team | Travoman Team vs Rostik Team | 57.0%Polymarket | 39.0%Polymarket US | $14 | ~1d | −2.9¢ | 1.1¢ | $0 | 1.2% |
| Emmanuel Macron | Which leaders will leave office in 2026? — B… | 3.9%Kalshi | 92.0%Gemini | $5 | ~102d | −0.8¢ | 3.3¢ | $0 | 3.5% |
| Blues | Blackhawks vs Blues | 59.0%Polymarket | 35.0%Polymarket US | $5 | ~4d | −2.8¢ | 3.2¢ | $0 | 3.4% |
| Blackhawks | Blackhawks vs Blues | 35.0%Polymarket US | 59.0%Polymarket | $5 | ~4d | −2.8¢ | 3.2¢ | $0 | 3.4% |
| Ulf Kristersson | Next Prime Minister of Sweden | 11.4%Polymarket | 85.0%Polymarket US | $7 | <1d | −1.3¢ | 2.3¢ | $0 | 2.4% |
| Hallie Shoffner | Arkansas Senate winner? — In 2026 | 4.9%Polymarket | 93.9%Kalshi | $25 | ~43d | −0.6¢ | 0.6¢ | $0 | 0.6% |
| Christopher Nolan | Oscar Winner: Best Director — In 2027 | 51.0%Polymarket | 41.0%Kalshi | $3 | ~175d | −2.9¢ | 5.1¢ | $0 | 5.5% |
| Gretchen Whitmer | 2028 Democratic VP nominee — In 2028 | 5.9%Kalshi | 88.0%Gemini | $3 | ~776d | −1.1¢ | 5.0¢ | $0 | 5.3% |
| Charles Leclerc | Azerbaijan Grand Prix Winner — Azerbaijan Gr… | 5.0%Kalshi | 94.0%Polymarket | $36 | ~13d | −0.6¢ | 0.4¢ | $0 | 0.4% |
| No | Will another country leave OPEC in 2026? | 78.0%Kalshi | 18.0%Polymarket | $5 | ~102d | −1.2¢ | 2.8¢ | $0 | 2.9% |
| Yes | Will another country leave OPEC in 2026? | 18.0%Polymarket | 78.0%Kalshi | $5 | ~102d | −1.2¢ | 2.8¢ | $0 | 2.9% |
Los Angeles R D/ST
Fantasy Football: 2026-27 Season Top D/ST — 2026-2027 regular seasonBuy at8.0%KalshiBuy opposite84.0%Gemini
Profit$0Return7.1%
Capital$5Hold~112dFees−1.5¢Net edge6.5¢
SIENNA SPIRO
Grammy Winner: Best New Artist — In 2027Buy at23.0%PolymarketBuy opposite72.0%Kalshi
Profit$0Return2.8%
Capital$11Hold~140dFees−2.3¢Net edge2.7¢
Nathan MacKinnon
NHL Hart Memorial Trophy — 2026-27 NHL seasonBuy at21.0%KalshiBuy opposite75.0%Polymarket US
Profit$0Return1.6%
Capital$19Hold~262dFees−2.5¢Net edge1.5¢
Republican Party
MN-06 House Election WinnerBuy at90.0%PolymarketBuy opposite8.1%Kalshi
Profit$0Return1.0%
Capital$29Hold~44dFees−0.9¢Net edge1.0¢
74 to 75°F
Highest temperature in Denver on September 21?Buy at50.0%PolymarketBuy opposite41.0%Kalshi
Profit$0Return6.7%
Capital$5Hold~1dFees−2.9¢Net edge6.1¢
Meta
Which companies will have a top-ranked AI model this year? — In 2026Buy at13.0%KalshiBuy opposite82.0%Polymarket US
Profit$0Return3.3%
Capital$9Hold~102dFees−1.8¢Net edge3.2¢
Raphael Warnock
2028 Democratic VP nominee — In 2028Buy at3.4%KalshiBuy opposite96.0%Gemini
Profit$0Return0.1%
Capital$285Hold~776dFees−0.5¢Net edge0.1¢
Oklahoma City
Pro Basketball: Best Regular Season Record — Best Record (2026-27)Buy at39.0%KalshiBuy opposite54.0%Polymarket US
Profit$0Return3.9%
Capital$7Hold~203dFees−3.4¢Net edge3.6¢
End of Beginning
#2 Song on Spotify in 2026?Buy at24.0%KalshiBuy opposite73.0%Polymarket
Profit$0Return0.8%
Capital$38Hold~101dFees−2.3¢Net edge0.7¢
Justin Gaethje
Who will be UFC Lightweight champion at the end of 2026?Buy at81.0%Polymarket USBuy opposite11.9%Polymarket
Profit$0Return6.2%
Capital$5Hold~102dFees−1.4¢Net edge5.7¢
Trevor Lawrence
Pro Football Passing Touchdowns Leader — 2026-2027 Regular SeasonBuy at7.0%KalshiBuy opposite89.8%Polymarket
Profit$0Return2.4%
Capital$12Hold~114dFees−0.9¢Net edge2.3¢
Andrew Scott
Oscar Winner: Best Actor — In 2027Buy at16.0%KalshiBuy opposite82.0%Polymarket
Profit$0Return0.3%
Capital$83Hold~175dFees−1.7¢Net edge0.3¢
Ty Gibbs
NASCAR Cup Series: 2026 ChampionBuy at4.8%PolymarketBuy opposite92.0%Gemini
Profit$0Return2.5%
Capital$11Hold~49dFees−0.7¢Net edge2.5¢
USC
College Football Playoff National Championship Qualifiers — 2026-27Buy at4.0%Polymarket USBuy opposite92.0%Kalshi
Profit$0Return3.4%
Capital$8Hold~117dFees−0.8¢Net edge3.2¢
Democratic
Which party will win young men in the midterms?Buy at75.0%KalshiBuy opposite18.0%Polymarket
Profit$0Return5.5%
Capital$5Hold~47dFees−1.9¢Net edge5.1¢
Merab Dvalishvili
Who will be UFC Bantamweight champion at the end of 2026?Buy at34.0%PolymarketBuy opposite62.0%Polymarket US
Profit$0Return1.8%
Capital$14Hold~102dFees−2.3¢Net edge1.7¢
Margo Martin
Who will be Trump's next Press Secretary? — Before Jan 21, 2029Buy at2.9%PolymarketBuy opposite95.0%Kalshi
Profit$0Return1.7%
Capital$15Hold~102dFees−0.4¢Net edge1.7¢
14 or above
How many House seats will Democrats win in Texas? — On Nov 3, 2026Buy at13.0%PolymarketBuy opposite85.0%Kalshi
Profit$0Return0.7%
Capital$37Hold~43dFees−1.3¢Net edge0.7¢
Delcy Rodriguez
Which leaders will leave office in 2026? — Before Jan 1, 2027Buy at9.9%KalshiBuy opposite87.0%Gemini
Profit$0Return1.7%
Capital$14Hold~102dFees−1.4¢Net edge1.7¢
Commanders
Colts vs CommandersBuy at37.3%Polymarket USBuy opposite57.0%Polymarket
Profit$0Return3.1%
Capital$8Hold~14dFees−2.9¢Net edge2.9¢
Colts
Colts vs CommandersBuy at57.0%PolymarketBuy opposite37.3%Polymarket US
Profit$0Return3.1%
Capital$8Hold~14dFees−2.9¢Net edge2.9¢
Charles Booker
Kentucky Senate winner? — In 2026Buy at3.6%PolymarketBuy opposite95.0%Kalshi
Profit$0Return0.9%
Capital$26Hold~43dFees−0.5¢Net edge0.9¢
Mark Kelly
2028 Democratic VP nominee — In 2028Buy at4.5%PolymarketBuy opposite94.0%Gemini
Profit$0Return0.9%
Capital$25Hold~689dFees−0.6¢Net edge0.9¢
YesAbove 5%
How high will inflation get in 2026?Buy at9.0%PolymarketBuy opposite84.0%Kalshi
Profit$0Return6.1%
Capital$4Hold~102dFees−1.4¢Net edge5.6¢
Inde Navarrette
Oscar winner: Best Actress — In 2027Buy at14.0%PolymarketBuy opposite82.0%Kalshi
Profit$0Return2.5%
Capital$9Hold~175dFees−1.6¢Net edge2.4¢
Ciryl Gane
Who will be UFC Heavyweight champion at the end of 2026?Buy at63.0%Polymarket USBuy opposite32.0%Polymarket
Profit$0Return2.9%
Capital$8Hold~102dFees−2.3¢Net edge2.7¢
North Carolina
College Football ACC Championship Game Qualifiers — 2026 seasonBuy at12.0%KalshiBuy opposite84.0%Polymarket US
Profit$0Return2.4%
Capital$9Hold~76dFees−1.7¢Net edge2.3¢
Democratic
GA-01 House Election WinnerBuy at6.0%PolymarketBuy opposite92.9%Kalshi
Profit$0Return0.4%
Capital$51Hold~44dFees−0.7¢Net edge0.4¢
Jorge Martin
MotoGP World Champion — 2026Buy at19.0%KalshiBuy opposite78.0%Polymarket
Profit$0Return1.1%
Capital$19Hold~70dFees−1.9¢Net edge1.1¢
Republican
KY-06 House Election WinnerBuy at74.0%PolymarketBuy opposite23.0%Kalshi
Profit$0Return1.0%
Capital$20Hold~44dFees−2.0¢Net edge1.0¢
YesHillary Clinton
Who will be arrested before 2027? — Before Jan 2027Buy at3.3%PolymarketBuy opposite95.7%Kalshi
Profit$0Return0.6%
Capital$35Hold~102dFees−0.4¢Net edge0.6¢
Abdul El-Sayed (D)
Michigan Senate Election: Kent County WinnerBuy at85.0%PolymarketBuy opposite11.0%Polymarket US
Profit$0Return2.9%
Capital$7Hold~44dFees−1.2¢Net edge2.8¢
95 or above
Resident Evil · Rotten Tomatoes scoreBuy at92.0%KalshiBuy opposite4.0%Polymarket US
Profit$0Return3.4%
Capital$6Hold~1dFees−0.8¢Net edge3.2¢
Real Madrid
League Phase Top Finisher — 2026-27Buy at17.0%Polymarket USBuy opposite79.0%Kalshi
Profit$0Return1.9%
Capital$10Hold~129dFees−2.1¢Net edge1.9¢
96 to 97°F
Highest temperature in Dallas on September 21?Buy at34.0%KalshiBuy opposite62.0%Polymarket
Profit$0Return1.3%
Capital$14Hold~1dFees−2.7¢Net edge1.3¢
OpenAI
Which company has best AI model end of 2026?Buy at13.0%PolymarketBuy opposite83.0%Polymarket US
Profit$0Return2.7%
Capital$7Hold~102dFees−1.4¢Net edge2.6¢
Baltimore
Pro Football Playoff Qualifiers?Buy at73.0%GeminiBuy opposite17.0%Polymarket US
Profit$0Return8.5%
Capital$2Hold~112dFees−2.4¢Net edge7.6¢
Republican
NV-03 House winner? — In 2026Buy at6.0%PolymarketBuy opposite93.0%Kalshi
Profit$0Return0.3%
Capital$52Hold~44dFees−0.7¢Net edge0.3¢
Rostik Team
Travoman Team vs Rostik TeamBuy at39.0%Polymarket USBuy opposite57.0%Polymarket
Profit$0Return1.2%
Capital$14Hold~1dFees−2.9¢Net edge1.1¢
Travoman Team
Travoman Team vs Rostik TeamBuy at57.0%PolymarketBuy opposite39.0%Polymarket US
Profit$0Return1.2%
Capital$14Hold~1dFees−2.9¢Net edge1.1¢
Emmanuel Macron
Which leaders will leave office in 2026? — Before Jan 1, 2027Buy at3.9%KalshiBuy opposite92.0%Gemini
Profit$0Return3.5%
Capital$5Hold~102dFees−0.8¢Net edge3.3¢
Blues
Blackhawks vs BluesBuy at59.0%PolymarketBuy opposite35.0%Polymarket US
Profit$0Return3.4%
Capital$5Hold~4dFees−2.8¢Net edge3.2¢
Blackhawks
Blackhawks vs BluesBuy at35.0%Polymarket USBuy opposite59.0%Polymarket
Profit$0Return3.4%
Capital$5Hold~4dFees−2.8¢Net edge3.2¢
Ulf Kristersson
Next Prime Minister of SwedenBuy at11.4%PolymarketBuy opposite85.0%Polymarket US
Profit$0Return2.4%
Capital$7Hold<1dFees−1.3¢Net edge2.3¢
Hallie Shoffner
Arkansas Senate winner? — In 2026Buy at4.9%PolymarketBuy opposite93.9%Kalshi
Profit$0Return0.6%
Capital$25Hold~43dFees−0.6¢Net edge0.6¢
Christopher Nolan
Oscar Winner: Best Director — In 2027Buy at51.0%PolymarketBuy opposite41.0%Kalshi
Profit$0Return5.5%
Capital$3Hold~175dFees−2.9¢Net edge5.1¢
Gretchen Whitmer
2028 Democratic VP nominee — In 2028Buy at5.9%KalshiBuy opposite88.0%Gemini
Profit$0Return5.3%
Capital$3Hold~776dFees−1.1¢Net edge5.0¢
Charles Leclerc
Azerbaijan Grand Prix Winner — Azerbaijan Grand Prix 2026Buy at5.0%KalshiBuy opposite94.0%Polymarket
Profit$0Return0.4%
Capital$36Hold~13dFees−0.6¢Net edge0.4¢
No
Will another country leave OPEC in 2026?Buy at78.0%KalshiBuy opposite18.0%Polymarket
Profit$0Return2.9%
Capital$5Hold~102dFees−1.2¢Net edge2.8¢
Yes
Will another country leave OPEC in 2026?Buy at18.0%PolymarketBuy opposite78.0%Kalshi
Profit$0Return2.9%
Capital$5Hold~102dFees−1.2¢Net edge2.8¢
Showing 201–250 of 505