BETCRYPTO

GAPS

520 gaps
354/520 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.
J.D. Vance
Republican Presidential Nominee 2028
Buy at46.0%KalshiBuy opposite48.8%Polymarket
Profit$237Return2.6%
Capital$9.1KHold~778dFees−2.7¢Net edge2.5¢
Benjamin Netanyahu
Who will be the next Prime Minister of Israel after the next election?
Buy at27.0%KalshiBuy opposite71.0%Polymarket
Profit$119Return0.6%
Capital$18.8KHold~101dFees−1.4¢Net edge0.6¢
Ron DeSantis
Republican Presidential Nominee 2028
Buy at2.9%PolymarketBuy opposite95.7%Kalshi
Profit$53Return1.0%
Capital$5.2KHold~778dFees−0.4¢Net edge1.0¢
Democratic
Which party wins 2028 US Presidential Election?
Buy at59.0%KalshiBuy opposite34.0%Polymarket
Profit$53Return4.7%
Capital$1.1KHold~778dFees−2.6¢Net edge4.4¢
Renate Reinsve
Oscar winner: Best Actress — In 2027
Buy at4.0%KalshiBuy opposite92.0%Polymarket
Profit$41Return3.5%
Capital$1.2KHold~175dFees−0.6¢Net edge3.4¢
Democratic
Maine Senate Election Winner
Buy at71.0%PolymarketBuy opposite20.0%Kalshi
Profit$35Return7.8%
Capital$455Hold~43dFees−1.9¢Net edge7.1¢
Democratic
New Hampshire Senate Election Winner
Buy at81.0%PolymarketBuy opposite15.0%Polymarket US
Profit$25Return2.6%
Capital$956Hold~43dFees−1.5¢Net edge2.5¢
Republican
New Hampshire Senate Election Winner
Buy at15.0%Polymarket USBuy opposite82.0%Polymarket
Profit$22Return1.6%
Capital$1.4KHold~43dFees−1.5¢Net edge1.5¢
San Francisco
2027 Pro Football Champion — 2026-27
Buy at9.0%KalshiBuy opposite85.0%Polymarket
Profit$21Return5.4%
Capital$387Hold~126dFees−1.0¢Net edge5.0¢
Kamala Harris
Democratic Presidential Nominee 2028
Buy at8.1%KalshiBuy opposite88.0%Polymarket US
Profit$21Return2.8%
Capital$746Hold~690dFees−1.3¢Net edge2.6¢
Republican
OH-09 House Election Winner
Buy at26.0%PolymarketBuy opposite69.0%Polymarket US
Profit$20Return2.9%
Capital$684Hold~44dFees−2.3¢Net edge2.7¢
Marco Rubio
Presidential Election Winner 2028
Buy at8.9%PolymarketBuy opposite86.0%Gemini
Profit$19Return4.1%
Capital$463Hold~778dFees−1.2¢Net edge3.9¢
Green Bay
2027 Pro Football Champion — 2026-27
Buy at3.0%KalshiBuy opposite95.0%Polymarket
Profit$18Return1.7%
Capital$1.1KHold~126dFees−0.3¢Net edge1.7¢
OpenAI
Which AI company will have the best coding model at the end of 2026? — On Dec 31, 2026
Buy at9.0%Polymarket USBuy opposite81.0%Kalshi
Profit$18Return9.3%
Capital$189Hold~102dFees−1.6¢Net edge8.4¢
Pete Buttigieg
Presidential Election Winner 2028
Buy at2.7%PolymarketBuy opposite96.0%Gemini
Profit$17Return0.9%
Capital$1.8KHold~778dFees−0.4¢Net edge0.9¢
Detroit Lions
2027 Pro Football Champion — 2026-27
Buy at4.0%KalshiBuy opposite93.0%Polymarket
Profit$17Return2.6%
Capital$641Hold~126dFees−0.5¢Net edge2.5¢
Dalton Kincaid
Fantasy Football: 2026-27 Season Top TE — 2026-2027 regular season
Buy at4.0%KalshiBuy opposite89.0%Gemini
Profit$17Return6.5%
Capital$256Hold~112dFees−1.0¢Net edge6.0¢
UPGRADE
UPGRADE vs ILLYRIANS
Buy at71.0%PolymarketBuy opposite25.0%Polymarket US
Profit$17Return1.7%
Capital$957Hold~1dFees−2.3¢Net edge1.7¢
ILLYRIANS
UPGRADE vs ILLYRIANS
Buy at25.0%Polymarket USBuy opposite71.0%Polymarket
Profit$17Return1.7%
Capital$957Hold~1dFees−2.3¢Net edge1.7¢
Republican
Which party wins 2028 US Presidential Election?
Buy at36.0%Polymarket USBuy opposite59.0%Kalshi
Profit$17Return1.8%
Capital$919Hold~779dFees−3.3¢Net edge1.7¢
YesAbove 4.5%
How high will inflation get in 2026?
Buy at19.0%PolymarketBuy opposite74.0%Kalshi
Profit$15Return5.3%
Capital$282Hold~102dFees−2.1¢Net edge4.9¢
4
How many dissenting votes at the October Fed meeting? — October 2026
Buy at8.0%KalshiBuy opposite84.0%Polymarket
Profit$14Return7.4%
Capital$184Hold~38dFees−1.2¢Net edge6.8¢
Angie Nixon (D)
Florida Senate Election: Miami-Dade County Winner
Buy at15.0%Polymarket USBuy opposite70.0%Polymarket
Profit$13Return15.6%
Capital$86Hold~44dFees−1.7¢Net edge13.3¢
OpenAI
Which companies will have a top-ranked AI model this year? — In 2026
Buy at33.0%KalshiBuy opposite60.0%Polymarket US
Profit$13Return4.1%
Capital$319Hold~102dFees−3.2¢Net edge3.8¢
Democratic
Minnesota Senate winner? — In 2026
Buy at90.4%KalshiBuy opposite8.0%Polymarket
Profit$13Return0.7%
Capital$1.8KHold~43dFees−0.9¢Net edge0.7¢
Tucker Kraft
Fantasy Football: 2026-27 Season Top TE — 2026-2027 regular season
Buy at3.0%KalshiBuy opposite95.0%Gemini
Profit$12Return1.5%
Capital$817Hold~112dFees−0.5¢Net edge1.5¢
Isaiah Likely
Fantasy Football: 2026-27 Season Top TE — 2026-2027 regular season
Buy at6.0%KalshiBuy opposite88.0%Gemini
Profit$12Return5.2%
Capital$235Hold~112dFees−1.1¢Net edge4.9¢
Marine Le Pen
Next French Presidential Election
Buy at37.6%PolymarketBuy opposite58.0%Polymarket US
Profit$11Return1.8%
Capital$571Hold~203dFees−2.6¢Net edge1.8¢
Yes
Will there be a recession in 2027?
Buy at26.0%KalshiBuy opposite66.0%Polymarket
Profit$10Return6.0%
Capital$165Hold~467dFees−2.5¢Net edge5.5¢
No
Will there be a recession in 2027?
Buy at66.0%PolymarketBuy opposite26.0%Kalshi
Profit$10Return6.0%
Capital$165Hold~467dFees−2.5¢Net edge5.5¢
Vladimir Putin
Who will Trump meet with in 2026?
Buy at62.0%Polymarket USBuy opposite32.0%Polymarket
Profit$10Return3.7%
Capital$257Hold~102dFees−2.5¢Net edge3.5¢
No
Pro Football: DeVonta Smith 2026-27 Regular Season Receiving Touchdowns
Buy at77.0%Polymarket USBuy opposite11.0%Polymarket
Profit$8Return11.7%
Capital$70Hold~112dFees−1.7¢Net edge10.3¢
Yes
Pro Football: DeVonta Smith 2026-27 Regular Season Receiving Touchdowns
Buy at11.0%PolymarketBuy opposite77.0%Polymarket US
Profit$8Return11.7%
Capital$70Hold~112dFees−1.7¢Net edge10.3¢
Republican
KY-06 House Election Winner
Buy at74.0%PolymarketBuy opposite23.0%Kalshi
Profit$8Return1.0%
Capital$787Hold~44dFees−2.0¢Net edge1.0¢
Overheating
US economic state at the end of 2026?
Buy at72.9%KalshiBuy opposite23.0%Polymarket
Profit$7Return1.9%
Capital$364Hold~115dFees−2.3¢Net edge1.8¢
Marco Rubio
Republican Presidential Nominee 2028
Buy at15.7%PolymarketBuy opposite80.0%Kalshi
Profit$7Return2.8%
Capital$245Hold~778dFees−1.6¢Net edge2.7¢
Pete Hegseth
Who will leave Trump's Cabinet next? — During Trump's term
Buy at10.0%PolymarketBuy opposite79.0%Kalshi
Profit$7Return10.7%
Capital$62Hold~102dFees−1.5¢Net edge9.5¢
Elissa Slotkin
2028 Democratic VP nominee — In 2028
Buy at5.7%PolymarketBuy opposite89.0%Gemini
Profit$7Return4.6%
Capital$142Hold~689dFees−0.9¢Net edge4.4¢
Republican party
MN-02 House winner? — In 2026
Buy at5.9%PolymarketBuy opposite92.3%Kalshi
Profit$6Return1.1%
Capital$589Hold~45dFees−0.7¢Net edge1.1¢
No24.5+ passing TDs
Pro Football: Brock Purdy 2026-27 Regular Season Passing Touchdowns
Buy at30.0%PolymarketBuy opposite61.0%Polymarket US
Profit$6Return6.9%
Capital$91Hold~112dFees−2.7¢Net edge6.3¢
Yes24.5+ passing TDs
Pro Football: Brock Purdy 2026-27 Regular Season Passing Touchdowns
Buy at61.0%Polymarket USBuy opposite30.0%Polymarket
Profit$6Return6.9%
Capital$91Hold~112dFees−2.7¢Net edge6.3¢
Duke
Men's 2027 College Basketball Champion — 2026-27 Season
Buy at12.0%KalshiBuy opposite83.0%Polymarket US
Profit$6Return3.5%
Capital$167Hold~197dFees−1.7¢Net edge3.3¢
Ja'Marr Chase
Pro Football Receiving Yards Leader — 2026-2027 Regular Season
Buy at10.0%Polymarket USBuy opposite85.0%Polymarket
Profit$6Return3.9%
Capital$144Hold~112dFees−1.3¢Net edge3.7¢
Mark Kelly
Democratic Presidential Nominee 2028
Buy at3.1%PolymarketBuy opposite96.1%Kalshi
Profit$5Return0.4%
Capital$1.3KHold~778dFees−0.4¢Net edge0.4¢
Denis Villeneuve
Oscar Winner: Best Director — In 2027
Buy at14.0%KalshiBuy opposite80.0%Polymarket
Profit$5Return4.6%
Capital$113Hold~175dFees−1.6¢Net edge4.4¢
SK Slovan Bratislava
UEFA Champions League: League Phase Last Place
Buy at16.0%Polymarket USBuy opposite76.0%Polymarket
Profit$5Return6.7%
Capital$78Hold~129dFees−1.8¢Net edge6.2¢
120 to 125MILLION
2026 Midterms: House Turnout
Buy at17.0%PolymarketBuy opposite78.0%Polymarket US
Profit$5Return3.4%
Capital$148Hold~43dFees−1.8¢Net edge3.2¢
Republican
New Hampshire Governor winner? — In 2026
Buy at89.0%KalshiBuy opposite9.0%Polymarket
Profit$5Return1.0%
Capital$486Hold~43dFees−1.0¢Net edge1.0¢
Republican Party
WA-05 House Election Winner
Buy at81.0%PolymarketBuy opposite17.0%Kalshi
Profit$5Return0.4%
Capital$1.1KHold~43dFees−1.6¢Net edge0.4¢
Darian Mensah
Pro Football #1 Overall Pick in 2027 — 1st Pick 2027
Buy at12.0%KalshiBuy opposite84.4%Polymarket
Profit$4Return2.6%
Capital$174Hold~214dFees−1.1¢Net edge2.5¢

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