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 |
|---|---|---|---|---|---|---|---|---|---|
| Scott Bessent | Who will leave Trump's Cabinet next? — Durin… | 4.9%Polymarket | 91.0%Kalshi | $1 | ~102d | −0.8¢ | 3.3¢ | $0 | 3.5% |
| Eric Toney | Wisconsin Attorney General winner? — In 2026 | 13.0%Polymarket | 85.0%Kalshi | $5 | ~44d | −1.3¢ | 0.7¢ | $0 | 0.7% |
| Justin Jefferson | Pro Football Receiving Yards Leader — 2026-2… | 6.0%Kalshi | 93.0%Polymarket | $12 | ~114d | −0.7¢ | 0.3¢ | $0 | 0.3% |
| New Mexico St. | College Football Conference USA Championship… | 4.0%Polymarket US | 92.0%Kalshi | $1 | ~75d | −0.8¢ | 3.2¢ | $0 | 3.4% |
| Andy Beshear | 2028 Democratic VP nominee — In 2028 | 5.7%Polymarket | 93.0%Gemini | $5 | ~689d | −0.7¢ | 0.6¢ | $0 | 0.6% |
| North Texas | College Football American Athletic Conferenc… | 21.0%Kalshi | 74.0%Polymarket US | $1 | ~76d | −2.5¢ | 2.5¢ | $0 | 2.6% |
| Javier Milei | Which leaders will leave office in 2026? — B… | 5.0%Kalshi | 94.0%Gemini | $11 | ~102d | −0.7¢ | 0.3¢ | $0 | 0.3% |
| Yes Adam Schiff | Who will be arrested before 2027? — Before J… | 4.6%Polymarket | 94.8%Kalshi | $35 | ~102d | −0.5¢ | 0.1¢ | $0 | 0.1% |
| The Odyssey | Oscars 2027: Best Original Score Winner | 46.0%Polymarket | 50.0%Kalshi | $3 | ~175d | −3.0¢ | 1.0¢ | $0 | 1.0% |
| Indiana | College Football Big Ten Championship Game Q… | 49.0%Polymarket US | 47.0%Kalshi | $5 | ~76d | −3.5¢ | 0.5¢ | $0 | 0.5% |
| Luke Littler | PDC World Championship Winner — 2026-27 | 55.0%Polymarket US | 41.0%Kalshi | $4 | ~105d | −3.4¢ | 0.6¢ | $0 | 0.6% |
| Republican | Nevada Governor winner? — In 2026 | 54.0%Polymarket | 43.0%Kalshi | $7 | ~43d | −2.7¢ | 0.3¢ | $0 | 0.3% |
| American Doctor | Oscars 2027: Best Documentary Feature Film W… | 9.0%Kalshi | 89.0%Polymarket | $2 | ~175d | −1.1¢ | 0.9¢ | $0 | 1.0% |
| 72 to 73°F | Highest temperature in Denver on September 2… | 15.0%Polymarket | 83.0%Kalshi | $5 | ~1d | −1.6¢ | 0.4¢ | $0 | 0.4% |
| Democratic | NM-02 House Election Winner | 91.6%Kalshi | 7.0%Polymarket | $3 | ~45d | −0.8¢ | 0.6¢ | $0 | 0.6% |
| Bijan Robinson | Fantasy Football: 2026-27 Season Top RB — 20… | 19.0%Kalshi | 70.0%Gemini | $0 | ~112d | −2.5¢ | 8.5¢ | $0 | 9.5% |
| Sam Rockwell | Oscar winner: Best Supporting Actor — In 202… | 4.0%Kalshi | 95.4%Polymarket | $13 | ~175d | −0.5¢ | 0.1¢ | $0 | 0.1% |
| David Lisnard | Next French Presidential Election | 5.6%Polymarket | 92.0%Kalshi | $1 | ~221d | −0.7¢ | 1.7¢ | $0 | 1.7% |
| Leonard Krog | Nanaimo Mayoral Election | 92.0%Kalshi | 7.0%Polymarket | $5 | ~283d | −0.8¢ | 0.2¢ | $0 | 0.2% |
| Yes Gavin Newsom | Who will be arrested before 2027? — Before J… | 2.5%Polymarket | 95.2%Kalshi | $1 | ~102d | −0.4¢ | 1.9¢ | $0 | 1.9% |
| Democratic | IN-01 House winner? — In 2026 | 94.0%Polymarket | 5.2%Kalshi | $4 | ~45d | −0.6¢ | 0.2¢ | $0 | 0.2% |
| Brian Bengs | South Dakota Senate winner? — In 2026 | 5.5%Polymarket | 93.0%Kalshi | $1 | ~43d | −0.7¢ | 0.8¢ | $0 | 0.8% |
| Republican | New Mexico Senate winner? — In 2026 | 2.5%Kalshi | 97.1%Polymarket | $5 | ~43d | −0.3¢ | 0.1¢ | $0 | 0.1% |
| Democratic | TX-29 House Election Winner | 94.0%Polymarket | 4.9%Kalshi | $1 | ~44d | −0.6¢ | 0.5¢ | $0 | 0.6% |
| Republican | NY-04 House winner? — In 2026 | 8.5%Kalshi | 90.4%Polymarket | $2 | ~44d | −0.9¢ | 0.2¢ | $0 | 0.2% |
| Democratic | NC-05 House Election Winner | 11.0%Kalshi | 87.8%Polymarket | $5 | ~44d | −1.1¢ | 0.1¢ | $0 | 0.1% |
| Navy | College Football American Athletic Conferenc… | 5.0%Kalshi | 94.0%Polymarket | $1 | ~105d | −0.6¢ | 0.4¢ | $0 | 0.4% |
| Republican | Vermont Governor winner? — In 2026 | 92.0%Polymarket | 7.2%Kalshi | $10 | ~43d | −0.8¢ | 0.0¢ | $0 | 0.0% |
| Byron Donalds | 2028 Republican VP nominee — In 2028 | 2.6%Kalshi | 97.0%Gemini | $19 | ~776d | −0.4¢ | 0.0¢ | $0 | 0.0% |
| Amon-Ra St. Brown | Pro Football Receiving Yards Leader — 2026-2… | 7.0%Polymarket US | 89.0%Kalshi | $0 | ~112d | −1.1¢ | 2.9¢ | $0 | 3.0% |
| Democratic | SC-06 House winner? | 95.0%Polymarket | 4.4%Kalshi | $2 | ~44d | −0.5¢ | 0.1¢ | $0 | 0.1% |
| 0 | How many dissenting votes at the October Fed… | 48.0%Polymarket | 49.0%Kalshi | $58 | ~38d | −3.0¢ | 0.0¢ | $0 | 0.0% |
| No | Will any presidential candidate win outright… | 90.0%Kalshi | 8.4%Polymarket | $0 | ~283d | −0.9¢ | 0.7¢ | $0 | 0.7% |
| Yes | Will any presidential candidate win outright… | 8.4%Polymarket | 90.0%Kalshi | $0 | ~283d | −0.9¢ | 0.7¢ | $0 | 0.7% |
| Philadelphia | Pro Basketball: Best Regular Season Record —… | 6.0%Kalshi | 81.0%Polymarket US | $0 | ~203d | −1.5¢ | 11.5¢ | $0 | 13.3% |
| Dallas | 2027 Pro Football Champion — 2026-27 | 4.0%Kalshi | 95.6%Polymarket | $20 | ~126d | −0.4¢ | 0.0¢ | $0 | 0.0% |
| Kimi Antonelli | Azerbaijan Grand Prix Winner — Azerbaijan Gr… | 41.0%Polymarket | 46.5%Polymarket US | $0 | ~6d | −2.9¢ | 9.6¢ | $0 | 10.9% |
| Mira | MEIA NOITE vs Mira | 65.0%Polymarket | 32.0%Polymarket US | $0 | ~2d | −2.6¢ | 0.4¢ | $0 | 0.4% |
| Ella Langley | CMA Awards: Female Vocalist of the Year — Fe… | 48.0%Polymarket | 49.0%Kalshi | $3 | ~59d | −3.0¢ | 0.0¢ | $0 | 0.0% |
| Barry Moore | Alabama Senate winner? — In 2026 | 96.0%Polymarket | 3.6%Kalshi | $1 | ~43d | −0.4¢ | 0.0¢ | $0 | 0.0% |
| Democratic | Georgia Governor winner? — In 2026 | 58.0%Kalshi | 40.0%Polymarket | $0 | ~43d | −2.7¢ | -0.7¢ | −$0 | -0.7% |
| 5 | How many House seats will Democrats win in N… | 37.0%Kalshi | 61.0%Polymarket | $0 | ~43d | −2.6¢ | -0.6¢ | −$0 | -0.6% |
| Republican | ME-02 House winner? — In 2026 | 57.0%Kalshi | 40.0%Polymarket US | $0 | ~44d | −3.4¢ | -0.4¢ | −$0 | -0.4% |
| Canada | CONCACAF Nations League A Champion — 2026-27… | 9.0%Kalshi | 90.0%Polymarket | $5 | ~191d | −1.0¢ | -0.0¢ | −$0 | -0.0% |
| Everett Wess | Alabama Senate winner? — In 2026 | 3.8%Kalshi | 96.0%Polymarket | $1 | ~43d | −0.4¢ | -0.2¢ | −$0 | -0.2% |
| Jack Barton | Next James Bond film: Actor cast as James Bo… | 6.0%Kalshi | 93.3%Polymarket | $30 | ~101d | −0.7¢ | -0.0¢ | −$0 | -0.0% |
| Puka Nacua | Pro Football Receiving Yards Leader — 2026-2… | 9.0%Kalshi | 90.0%Polymarket | $10 | ~114d | −1.0¢ | -0.0¢ | −$0 | -0.0% |
| Republican | IL-17 House Election Winner | 5.9%Kalshi | 94.0%Polymarket | $1 | ~45d | −0.6¢ | -0.5¢ | −$0 | -0.5% |
| Democratic party | FL-22 House winner? | 42.0%Polymarket | 56.0%Kalshi | $1 | ~43d | −2.7¢ | -0.7¢ | −$0 | -0.7% |
| Boston Red Sox | MLB: 2026 American League Champion | 11.3%Polymarket | 88.0%Kalshi | $2 | ~41d | −1.0¢ | -0.3¢ | −$0 | -0.3% |
Scott Bessent
Who will leave Trump's Cabinet next? — During Trump's termBuy at4.9%PolymarketBuy opposite91.0%Kalshi
Profit$0Return3.5%
Capital$1Hold~102dFees−0.8¢Net edge3.3¢
Eric Toney
Wisconsin Attorney General winner? — In 2026Buy at13.0%PolymarketBuy opposite85.0%Kalshi
Profit$0Return0.7%
Capital$5Hold~44dFees−1.3¢Net edge0.7¢
Justin Jefferson
Pro Football Receiving Yards Leader — 2026-2027 Regular SeasonBuy at6.0%KalshiBuy opposite93.0%Polymarket
Profit$0Return0.3%
Capital$12Hold~114dFees−0.7¢Net edge0.3¢
New Mexico St.
College Football Conference USA Championship Game Qualifiers — 2026 seasonBuy at4.0%Polymarket USBuy opposite92.0%Kalshi
Profit$0Return3.4%
Capital$1Hold~75dFees−0.8¢Net edge3.2¢
Andy Beshear
2028 Democratic VP nominee — In 2028Buy at5.7%PolymarketBuy opposite93.0%Gemini
Profit$0Return0.6%
Capital$5Hold~689dFees−0.7¢Net edge0.6¢
North Texas
College Football American Athletic Conference Championship Game Qualifiers — 2026 seasonBuy at21.0%KalshiBuy opposite74.0%Polymarket US
Profit$0Return2.6%
Capital$1Hold~76dFees−2.5¢Net edge2.5¢
Javier Milei
Which leaders will leave office in 2026? — Before Jan 1, 2027Buy at5.0%KalshiBuy opposite94.0%Gemini
Profit$0Return0.3%
Capital$11Hold~102dFees−0.7¢Net edge0.3¢
YesAdam Schiff
Who will be arrested before 2027? — Before Jan 2027Buy at4.6%PolymarketBuy opposite94.8%Kalshi
Profit$0Return0.1%
Capital$35Hold~102dFees−0.5¢Net edge0.1¢
The Odyssey
Oscars 2027: Best Original Score WinnerBuy at46.0%PolymarketBuy opposite50.0%Kalshi
Profit$0Return1.0%
Capital$3Hold~175dFees−3.0¢Net edge1.0¢
Indiana
College Football Big Ten Championship Game Qualifiers — 2026 seasonBuy at49.0%Polymarket USBuy opposite47.0%Kalshi
Profit$0Return0.5%
Capital$5Hold~76dFees−3.5¢Net edge0.5¢
Luke Littler
PDC World Championship Winner — 2026-27Buy at55.0%Polymarket USBuy opposite41.0%Kalshi
Profit$0Return0.6%
Capital$4Hold~105dFees−3.4¢Net edge0.6¢
Republican
Nevada Governor winner? — In 2026Buy at54.0%PolymarketBuy opposite43.0%Kalshi
Profit$0Return0.3%
Capital$7Hold~43dFees−2.7¢Net edge0.3¢
American Doctor
Oscars 2027: Best Documentary Feature Film WinnerBuy at9.0%KalshiBuy opposite89.0%Polymarket
Profit$0Return1.0%
Capital$2Hold~175dFees−1.1¢Net edge0.9¢
72 to 73°F
Highest temperature in Denver on September 21?Buy at15.0%PolymarketBuy opposite83.0%Kalshi
Profit$0Return0.4%
Capital$5Hold~1dFees−1.6¢Net edge0.4¢
Democratic
NM-02 House Election WinnerBuy at91.6%KalshiBuy opposite7.0%Polymarket
Profit$0Return0.6%
Capital$3Hold~45dFees−0.8¢Net edge0.6¢
Bijan Robinson
Fantasy Football: 2026-27 Season Top RB — 2026-2027 regular seasonBuy at19.0%KalshiBuy opposite70.0%Gemini
Profit$0Return9.5%
Capital$0Hold~112dFees−2.5¢Net edge8.5¢
Sam Rockwell
Oscar winner: Best Supporting Actor — In 2027Buy at4.0%KalshiBuy opposite95.4%Polymarket
Profit$0Return0.1%
Capital$13Hold~175dFees−0.5¢Net edge0.1¢
David Lisnard
Next French Presidential ElectionBuy at5.6%PolymarketBuy opposite92.0%Kalshi
Profit$0Return1.7%
Capital$1Hold~221dFees−0.7¢Net edge1.7¢
Leonard Krog
Nanaimo Mayoral ElectionBuy at92.0%KalshiBuy opposite7.0%Polymarket
Profit$0Return0.2%
Capital$5Hold~283dFees−0.8¢Net edge0.2¢
YesGavin Newsom
Who will be arrested before 2027? — Before Jan 2027Buy at2.5%PolymarketBuy opposite95.2%Kalshi
Profit$0Return1.9%
Capital$1Hold~102dFees−0.4¢Net edge1.9¢
Democratic
IN-01 House winner? — In 2026Buy at94.0%PolymarketBuy opposite5.2%Kalshi
Profit$0Return0.2%
Capital$4Hold~45dFees−0.6¢Net edge0.2¢
Brian Bengs
South Dakota Senate winner? — In 2026Buy at5.5%PolymarketBuy opposite93.0%Kalshi
Profit$0Return0.8%
Capital$1Hold~43dFees−0.7¢Net edge0.8¢
Republican
New Mexico Senate winner? — In 2026Buy at2.5%KalshiBuy opposite97.1%Polymarket
Profit$0Return0.1%
Capital$5Hold~43dFees−0.3¢Net edge0.1¢
Democratic
TX-29 House Election WinnerBuy at94.0%PolymarketBuy opposite4.9%Kalshi
Profit$0Return0.6%
Capital$1Hold~44dFees−0.6¢Net edge0.5¢
Republican
NY-04 House winner? — In 2026Buy at8.5%KalshiBuy opposite90.4%Polymarket
Profit$0Return0.2%
Capital$2Hold~44dFees−0.9¢Net edge0.2¢
Democratic
NC-05 House Election WinnerBuy at11.0%KalshiBuy opposite87.8%Polymarket
Profit$0Return0.1%
Capital$5Hold~44dFees−1.1¢Net edge0.1¢
Navy
College Football American Athletic Conference Championship Winner — 2026Buy at5.0%KalshiBuy opposite94.0%Polymarket
Profit$0Return0.4%
Capital$1Hold~105dFees−0.6¢Net edge0.4¢
Republican
Vermont Governor winner? — In 2026Buy at92.0%PolymarketBuy opposite7.2%Kalshi
Profit$0Return0.0%
Capital$10Hold~43dFees−0.8¢Net edge0.0¢
Byron Donalds
2028 Republican VP nominee — In 2028Buy at2.6%KalshiBuy opposite97.0%Gemini
Profit$0Return0.0%
Capital$19Hold~776dFees−0.4¢Net edge0.0¢
Amon-Ra St. Brown
Pro Football Receiving Yards Leader — 2026-2027 Regular SeasonBuy at7.0%Polymarket USBuy opposite89.0%Kalshi
Profit$0Return3.0%
Capital$0Hold~112dFees−1.1¢Net edge2.9¢
Democratic
SC-06 House winner?Buy at95.0%PolymarketBuy opposite4.4%Kalshi
Profit$0Return0.1%
Capital$2Hold~44dFees−0.5¢Net edge0.1¢
0
How many dissenting votes at the October Fed meeting? — October 2026Buy at48.0%PolymarketBuy opposite49.0%Kalshi
Profit$0Return0.0%
Capital$58Hold~38dFees−3.0¢Net edge0.0¢
No
Will any presidential candidate win outright in the first round of the Brazil election?Buy at90.0%KalshiBuy opposite8.4%Polymarket
Profit$0Return0.7%
Capital$0Hold~283dFees−0.9¢Net edge0.7¢
Yes
Will any presidential candidate win outright in the first round of the Brazil election?Buy at8.4%PolymarketBuy opposite90.0%Kalshi
Profit$0Return0.7%
Capital$0Hold~283dFees−0.9¢Net edge0.7¢
Philadelphia
Pro Basketball: Best Regular Season Record — Best Record (2026-27)Buy at6.0%KalshiBuy opposite81.0%Polymarket US
Profit$0Return13.3%
Capital$0Hold~203dFees−1.5¢Net edge11.5¢
Dallas
2027 Pro Football Champion — 2026-27Buy at4.0%KalshiBuy opposite95.6%Polymarket
Profit$0Return0.0%
Capital$20Hold~126dFees−0.4¢Net edge0.0¢
Kimi Antonelli
Azerbaijan Grand Prix Winner — Azerbaijan Grand Prix 2026Buy at41.0%PolymarketBuy opposite46.5%Polymarket US
Profit$0Return10.9%
Capital$0Hold~6dFees−2.9¢Net edge9.6¢
Mira
MEIA NOITE vs MiraBuy at65.0%PolymarketBuy opposite32.0%Polymarket US
Profit$0Return0.4%
Capital$0Hold~2dFees−2.6¢Net edge0.4¢
Ella Langley
CMA Awards: Female Vocalist of the Year — Female Vocalist of the Year | 2026Buy at48.0%PolymarketBuy opposite49.0%Kalshi
Profit$0Return0.0%
Capital$3Hold~59dFees−3.0¢Net edge0.0¢
Barry Moore
Alabama Senate winner? — In 2026Buy at96.0%PolymarketBuy opposite3.6%Kalshi
Profit$0Return0.0%
Capital$1Hold~43dFees−0.4¢Net edge0.0¢
Democratic
Georgia Governor winner? — In 2026Buy at58.0%KalshiBuy opposite40.0%Polymarket
Profit−$0Return-0.7%
Capital$0Hold~43dFees−2.7¢Net edge-0.7¢
5
How many House seats will Democrats win in North Carolina? — On Nov 3, 2026Buy at37.0%KalshiBuy opposite61.0%Polymarket
Profit−$0Return-0.6%
Capital$0Hold~43dFees−2.6¢Net edge-0.6¢
Republican
ME-02 House winner? — In 2026Buy at57.0%KalshiBuy opposite40.0%Polymarket US
Profit−$0Return-0.4%
Capital$0Hold~44dFees−3.4¢Net edge-0.4¢
Canada
CONCACAF Nations League A Champion — 2026-27 League ABuy at9.0%KalshiBuy opposite90.0%Polymarket
Profit−$0Return-0.0%
Capital$5Hold~191dFees−1.0¢Net edge-0.0¢
Everett Wess
Alabama Senate winner? — In 2026Buy at3.8%KalshiBuy opposite96.0%Polymarket
Profit−$0Return-0.2%
Capital$1Hold~43dFees−0.4¢Net edge-0.2¢
Jack Barton
Next James Bond film: Actor cast as James Bond — Before 2030Buy at6.0%KalshiBuy opposite93.3%Polymarket
Profit−$0Return-0.0%
Capital$30Hold~101dFees−0.7¢Net edge-0.0¢
Puka Nacua
Pro Football Receiving Yards Leader — 2026-2027 Regular SeasonBuy at9.0%KalshiBuy opposite90.0%Polymarket
Profit−$0Return-0.0%
Capital$10Hold~114dFees−1.0¢Net edge-0.0¢
Republican
IL-17 House Election WinnerBuy at5.9%KalshiBuy opposite94.0%Polymarket
Profit−$0Return-0.5%
Capital$1Hold~45dFees−0.6¢Net edge-0.5¢
Democratic party
FL-22 House winner?Buy at42.0%PolymarketBuy opposite56.0%Kalshi
Profit−$0Return-0.7%
Capital$1Hold~43dFees−2.7¢Net edge-0.7¢
Boston Red Sox
MLB: 2026 American League ChampionBuy at11.3%PolymarketBuy opposite88.0%Kalshi
Profit−$0Return-0.3%
Capital$2Hold~41dFees−1.0¢Net edge-0.3¢
Showing 301–350 of 505