GAPS
507 gaps
340/507 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 |
|---|---|---|---|---|---|---|---|---|---|
| Babydoll | Top Song 2026 | 20.0%Polymarket US | 74.7%Polymarket | $126 | ~73d | −2.1¢ | 3.2¢ | $4 | 3.4% |
| François Hollande | Next French Presidential Election | 6.0%Polymarket | 91.0%Polymarket US | $188 | ~203d | −0.8¢ | 2.2¢ | $4 | 2.3% |
| Lando Norris | F1 Drivers' Champion | 2.8%Polymarket | 96.0%Gemini | $494 | ~76d | −0.4¢ | 0.8¢ | $4 | 0.9% |
| 11+ wins | College Football: Houston Total Wins — Houst… | 17.0%Kalshi | 72.0%Gemini | $44 | ~91d | −2.4¢ | 8.6¢ | $4 | 9.7% |
| Kathy Hochul (D) | New York Governor Election: Nassau County Wi… | 39.0%Polymarket | 55.0%Polymarket US | $117 | ~44d | −2.7¢ | 3.3¢ | $4 | 3.5% |
| Andy Biggs (R) | Arizona Governor Election: Maricopa County W… | 4.0%Polymarket US | 87.0%Polymarket | $43 | ~44d | −0.7¢ | 8.3¢ | $4 | 9.1% |
| No | Alexandre de Moraes out as Brazil Supreme Co… | 76.0%Kalshi | 17.0%Polymarket | $70 | ~102d | −1.8¢ | 5.2¢ | $4 | 5.5% |
| Yes | Alexandre de Moraes out as Brazil Supreme Co… | 17.0%Polymarket | 76.0%Kalshi | $70 | ~102d | −1.8¢ | 5.2¢ | $4 | 5.5% |
| Ja'Marr Chase | Pro Football Receiving Yards Leader — 2026-2… | 10.0%Polymarket US | 85.0%Polymarket | $95 | ~112d | −1.3¢ | 3.7¢ | $4 | 3.9% |
| Anna Kelly | Who will be Trump's next Press Secretary? — … | 19.0%Polymarket | 73.0%Gemini | $57 | ~102d | −2.0¢ | 6.0¢ | $4 | 6.5% |
| No | Pro Football: CeeDee Lamb 2026-27 Regular Se… | 61.0%Polymarket | 30.0%Polymarket US | $52 | ~112d | −2.6¢ | 6.4¢ | $4 | 7.0% |
| Yes | Pro Football: CeeDee Lamb 2026-27 Regular Se… | 30.0%Polymarket US | 61.0%Polymarket | $52 | ~112d | −2.6¢ | 6.4¢ | $4 | 7.0% |
| Yes Anthony Fauci | Who will be arrested before 2027? — Before J… | 7.9%Polymarket | 90.0%Kalshi | $286 | ~102d | −0.9¢ | 1.2¢ | $3 | 1.2% |
| Jared Goff | Pro Football Passing Yards Leader — 2026-202… | 11.0%Kalshi | 86.0%Polymarket | $194 | ~114d | −1.3¢ | 1.7¢ | $3 | 1.8% |
| Democratic | IA-02 House winner? | 50.0%Kalshi | 47.0%Polymarket | $1.2K | ~43d | −2.7¢ | 0.3¢ | $3 | 0.3% |
| Oregon State Beavers | College Football Pac-12 Championship Winner … | 10.0%Kalshi | 86.0%Polymarket US | $120 | ~75d | −1.5¢ | 2.5¢ | $3 | 2.6% |
| Democrats 2-4% | 2026 2026 Midterms: House popular vote margi… | 3.7%Kalshi | 94.8%Polymarket | $295 | ~43d | −0.4¢ | 1.1¢ | $3 | 1.1% |
| Republican | IA-02 House winner? | 48.0%Polymarket | 49.0%Kalshi | $1.2K | ~43d | −2.7¢ | 0.3¢ | $3 | 0.3% |
| Tucker Carlson | Republican Presidential Nominee 2028 | 2.6%Kalshi | 96.9%Polymarket | $1.5K | ~778d | −0.3¢ | 0.2¢ | $3 | 0.2% |
| Alexandria Ocasio-Cortez | Democratic Presidential Nominee 2028 | 16.0%Kalshi | 81.9%Polymarket | $529 | ~778d | −1.5¢ | 0.6¢ | $3 | 0.6% |
| Democratic | New Hampshire Governor winner? — In 2026 | 9.4%Polymarket | 89.0%Kalshi | $502 | ~43d | −1.0¢ | 0.6¢ | $3 | 0.6% |
| Digger | Oscar Winner: Best Picture — In 2027 | 3.0%Kalshi | 94.8%Polymarket | $160 | ~175d | −0.5¢ | 1.7¢ | $3 | 1.8% |
| Overheating | US economic state at the end of 2026? | 72.9%Kalshi | 23.0%Polymarket | $145 | ~115d | −2.3¢ | 1.8¢ | $3 | 1.9% |
| Nik Bonitto | Defensive Player of the Year Winner? — 2026-… | 4.0%Kalshi | 92.0%Polymarket | $75 | ~144d | −0.6¢ | 3.4¢ | $3 | 3.5% |
| Jaxon Smith-Njigba | Offensive Player of the Year Winner? — 2026-… | 10.0%Polymarket US | 84.0%Polymarket | $51 | ~144d | −1.3¢ | 4.7¢ | $3 | 5.0% |
| No | Pro Football: James Cook 2026-27 Regular Sea… | 16.0%Polymarket US | 78.0%Polymarket | $56 | ~112d | −1.8¢ | 4.2¢ | $2 | 4.5% |
| Yes | Pro Football: James Cook 2026-27 Regular Sea… | 78.0%Polymarket | 16.0%Polymarket US | $56 | ~112d | −1.8¢ | 4.2¢ | $2 | 4.5% |
| Republican | IA-03 House winner? — In 2026 | 24.0%Polymarket | 73.0%Kalshi | $270 | ~45d | −2.1¢ | 0.9¢ | $2 | 0.9% |
| Kansas State Wildcats | College Football Big 12 Championship Winner … | 5.0%Polymarket US | 90.2%Polymarket | $57 | ~75d | −0.8¢ | 4.0¢ | $2 | 4.2% |
| Bijan Robinson | Offensive Player of the Year Winner? — 2026-… | 4.0%Kalshi | 94.0%Polymarket | $159 | ~161d | −0.6¢ | 1.4¢ | $2 | 1.5% |
| No | Will GameStop acquire eBay? | 90.0%Gemini | 7.0%Polymarket | $110 | ~102d | −1.0¢ | 2.0¢ | $2 | 2.1% |
| Yes | Will GameStop acquire eBay? | 7.0%Polymarket | 90.0%Gemini | $110 | ~102d | −1.0¢ | 2.0¢ | $2 | 2.1% |
| Democratic party | CA-13 House winner? — In 2026 | 90.0%Polymarket US | 5.9%Polymarket | $67 | ~44d | −0.8¢ | 3.3¢ | $2 | 3.4% |
| J.D. Vance | 2028 Republican VP nominee — In 2028 | 6.0%Polymarket | 93.0%Gemini | $703 | ~693d | −0.7¢ | 0.3¢ | $2 | 0.3% |
| Jordan Love | Pro Football Passing Yards Leader — 2026-202… | 6.0%Kalshi | 91.0%Polymarket US | $106 | ~112d | −1.0¢ | 2.0¢ | $2 | 2.1% |
| Maxx Crosby | Pro Football Sacks Leader — 2026-2027 Regula… | 12.0%Polymarket US | 84.0%Polymarket | $81 | ~112d | −1.4¢ | 2.6¢ | $2 | 2.7% |
| No 24.5+ passing TDs | Pro Football: Jordan Love 2026-27 Regular Se… | 35.0%Polymarket US | 56.0%Polymarket | $32 | ~112d | −2.8¢ | 6.2¢ | $2 | 6.8% |
| Yes 24.5+ passing TDs | Pro Football: Jordan Love 2026-27 Regular Se… | 56.0%Polymarket | 35.0%Polymarket US | $32 | ~112d | −2.8¢ | 6.2¢ | $2 | 6.8% |
| Chicago | 2027 Pro Football Champion — 2026-27 | 3.0%Kalshi | 94.0%Polymarket | $80 | ~126d | −0.4¢ | 2.6¢ | $2 | 2.7% |
| Yes | Israel and Lebanon normalize relations befor… | 3.3%Kalshi | 92.0%Polymarket | $44 | ~102d | −0.2¢ | 4.5¢ | $2 | 4.7% |
| No | Israel and Lebanon normalize relations befor… | 92.0%Polymarket | 3.3%Kalshi | $44 | ~102d | −0.2¢ | 4.5¢ | $2 | 4.7% |
| Yes Tom Homan | Who will be arrested before 2027? — Before J… | 5.0%Kalshi | 93.3%Polymarket | $179 | ~102d | −0.6¢ | 1.1¢ | $2 | 1.1% |
| Democrats 4-6% | 2026 2026 Midterms: House popular vote margi… | 8.6%Kalshi | 90.0%Polymarket | $389 | ~43d | −0.9¢ | 0.5¢ | $2 | 0.5% |
| No 9.5+ rushing TDs | Pro Football: Breece Hall 2026-27 Regular Se… | 78.0%Polymarket | 15.0%Polymarket US | $33 | ~112d | −1.7¢ | 5.3¢ | $2 | 5.7% |
| Yes 9.5+ rushing TDs | Pro Football: Breece Hall 2026-27 Regular Se… | 15.0%Polymarket US | 78.0%Polymarket | $33 | ~112d | −1.7¢ | 5.3¢ | $2 | 5.7% |
| No | Pro Football: Breece Hall 2026-27 Regular Se… | 16.0%Polymarket US | 72.0%Polymarket | $16 | ~112d | −1.9¢ | 10.1¢ | $2 | 11.4% |
| Yes | Pro Football: Breece Hall 2026-27 Regular Se… | 72.0%Polymarket | 16.0%Polymarket US | $16 | ~112d | −1.9¢ | 10.1¢ | $2 | 11.4% |
| Gavin Newsom | Democratic Presidential Nominee 2028 | 14.0%Kalshi | 84.5%Polymarket | $1.3K | ~778d | −1.4¢ | 0.1¢ | $2 | 0.1% |
| Donald Trump | Nobel Peace Prize Winner 2026 | 2.5%Polymarket | 97.0%Kalshi | $1.0K | ~19d | −0.3¢ | 0.2¢ | $2 | 0.2% |
| Republican party | Alaska State Senate winner? | 32.0%Polymarket US | 64.0%Kalshi | $192 | ~44d | −3.1¢ | 0.9¢ | $2 | 0.9% |
Babydoll
Top Song 2026Buy at20.0%Polymarket USBuy opposite74.7%Polymarket
Profit$4Return3.4%
Capital$126Hold~73dFees−2.1¢Net edge3.2¢
François Hollande
Next French Presidential ElectionBuy at6.0%PolymarketBuy opposite91.0%Polymarket US
Profit$4Return2.3%
Capital$188Hold~203dFees−0.8¢Net edge2.2¢
Lando Norris
F1 Drivers' ChampionBuy at2.8%PolymarketBuy opposite96.0%Gemini
Profit$4Return0.9%
Capital$494Hold~76dFees−0.4¢Net edge0.8¢
11+ wins
College Football: Houston Total Wins — Houston (2026)Buy at17.0%KalshiBuy opposite72.0%Gemini
Profit$4Return9.7%
Capital$44Hold~91dFees−2.4¢Net edge8.6¢
Kathy Hochul (D)
New York Governor Election: Nassau County WinnerBuy at39.0%PolymarketBuy opposite55.0%Polymarket US
Profit$4Return3.5%
Capital$117Hold~44dFees−2.7¢Net edge3.3¢
Andy Biggs (R)
Arizona Governor Election: Maricopa County WinnerBuy at4.0%Polymarket USBuy opposite87.0%Polymarket
Profit$4Return9.1%
Capital$43Hold~44dFees−0.7¢Net edge8.3¢
No
Alexandre de Moraes out as Brazil Supreme Court Justice?Buy at76.0%KalshiBuy opposite17.0%Polymarket
Profit$4Return5.5%
Capital$70Hold~102dFees−1.8¢Net edge5.2¢
Yes
Alexandre de Moraes out as Brazil Supreme Court Justice?Buy at17.0%PolymarketBuy opposite76.0%Kalshi
Profit$4Return5.5%
Capital$70Hold~102dFees−1.8¢Net edge5.2¢
Ja'Marr Chase
Pro Football Receiving Yards Leader — 2026-2027 Regular SeasonBuy at10.0%Polymarket USBuy opposite85.0%Polymarket
Profit$4Return3.9%
Capital$95Hold~112dFees−1.3¢Net edge3.7¢
Anna Kelly
Who will be Trump's next Press Secretary? — Before Jan 21, 2029Buy at19.0%PolymarketBuy opposite73.0%Gemini
Profit$4Return6.5%
Capital$57Hold~102dFees−2.0¢Net edge6.0¢
No
Pro Football: CeeDee Lamb 2026-27 Regular Season Receiving TouchdownsBuy at61.0%PolymarketBuy opposite30.0%Polymarket US
Profit$4Return7.0%
Capital$52Hold~112dFees−2.6¢Net edge6.4¢
Yes
Pro Football: CeeDee Lamb 2026-27 Regular Season Receiving TouchdownsBuy at30.0%Polymarket USBuy opposite61.0%Polymarket
Profit$4Return7.0%
Capital$52Hold~112dFees−2.6¢Net edge6.4¢
YesAnthony Fauci
Who will be arrested before 2027? — Before Jan 2027Buy at7.9%PolymarketBuy opposite90.0%Kalshi
Profit$3Return1.2%
Capital$286Hold~102dFees−0.9¢Net edge1.2¢
Jared Goff
Pro Football Passing Yards Leader — 2026-2027 Regular SeasonBuy at11.0%KalshiBuy opposite86.0%Polymarket
Profit$3Return1.8%
Capital$194Hold~114dFees−1.3¢Net edge1.7¢
Democratic
IA-02 House winner?Buy at50.0%KalshiBuy opposite47.0%Polymarket
Profit$3Return0.3%
Capital$1.2KHold~43dFees−2.7¢Net edge0.3¢
Oregon State Beavers
College Football Pac-12 Championship Winner — 2026Buy at10.0%KalshiBuy opposite86.0%Polymarket US
Profit$3Return2.6%
Capital$120Hold~75dFees−1.5¢Net edge2.5¢
Democrats 2-4%
2026 2026 Midterms: House popular vote margin of victory? (Generic ballot) — At the release of the national House popular vote dataBuy at3.7%KalshiBuy opposite94.8%Polymarket
Profit$3Return1.1%
Capital$295Hold~43dFees−0.4¢Net edge1.1¢
Republican
IA-02 House winner?Buy at48.0%PolymarketBuy opposite49.0%Kalshi
Profit$3Return0.3%
Capital$1.2KHold~43dFees−2.7¢Net edge0.3¢
Tucker Carlson
Republican Presidential Nominee 2028Buy at2.6%KalshiBuy opposite96.9%Polymarket
Profit$3Return0.2%
Capital$1.5KHold~778dFees−0.3¢Net edge0.2¢
Alexandria Ocasio-Cortez
Democratic Presidential Nominee 2028Buy at16.0%KalshiBuy opposite81.9%Polymarket
Profit$3Return0.6%
Capital$529Hold~778dFees−1.5¢Net edge0.6¢
Democratic
New Hampshire Governor winner? — In 2026Buy at9.4%PolymarketBuy opposite89.0%Kalshi
Profit$3Return0.6%
Capital$502Hold~43dFees−1.0¢Net edge0.6¢
Digger
Oscar Winner: Best Picture — In 2027Buy at3.0%KalshiBuy opposite94.8%Polymarket
Profit$3Return1.8%
Capital$160Hold~175dFees−0.5¢Net edge1.7¢
Overheating
US economic state at the end of 2026?Buy at72.9%KalshiBuy opposite23.0%Polymarket
Profit$3Return1.9%
Capital$145Hold~115dFees−2.3¢Net edge1.8¢
Nik Bonitto
Defensive Player of the Year Winner? — 2026-27 seasonBuy at4.0%KalshiBuy opposite92.0%Polymarket
Profit$3Return3.5%
Capital$75Hold~144dFees−0.6¢Net edge3.4¢
Jaxon Smith-Njigba
Offensive Player of the Year Winner? — 2026-27 seasonBuy at10.0%Polymarket USBuy opposite84.0%Polymarket
Profit$3Return5.0%
Capital$51Hold~144dFees−1.3¢Net edge4.7¢
No
Pro Football: James Cook 2026-27 Regular Season Rushing TouchdownsBuy at16.0%Polymarket USBuy opposite78.0%Polymarket
Profit$2Return4.5%
Capital$56Hold~112dFees−1.8¢Net edge4.2¢
Yes
Pro Football: James Cook 2026-27 Regular Season Rushing TouchdownsBuy at78.0%PolymarketBuy opposite16.0%Polymarket US
Profit$2Return4.5%
Capital$56Hold~112dFees−1.8¢Net edge4.2¢
Republican
IA-03 House winner? — In 2026Buy at24.0%PolymarketBuy opposite73.0%Kalshi
Profit$2Return0.9%
Capital$270Hold~45dFees−2.1¢Net edge0.9¢
Kansas State Wildcats
College Football Big 12 Championship Winner — 2026Buy at5.0%Polymarket USBuy opposite90.2%Polymarket
Profit$2Return4.2%
Capital$57Hold~75dFees−0.8¢Net edge4.0¢
Bijan Robinson
Offensive Player of the Year Winner? — 2026-27 seasonBuy at4.0%KalshiBuy opposite94.0%Polymarket
Profit$2Return1.5%
Capital$159Hold~161dFees−0.6¢Net edge1.4¢
No
Will GameStop acquire eBay?Buy at90.0%GeminiBuy opposite7.0%Polymarket
Profit$2Return2.1%
Capital$110Hold~102dFees−1.0¢Net edge2.0¢
Yes
Will GameStop acquire eBay?Buy at7.0%PolymarketBuy opposite90.0%Gemini
Profit$2Return2.1%
Capital$110Hold~102dFees−1.0¢Net edge2.0¢
Democratic party
CA-13 House winner? — In 2026Buy at90.0%Polymarket USBuy opposite5.9%Polymarket
Profit$2Return3.4%
Capital$67Hold~44dFees−0.8¢Net edge3.3¢
J.D. Vance
2028 Republican VP nominee — In 2028Buy at6.0%PolymarketBuy opposite93.0%Gemini
Profit$2Return0.3%
Capital$703Hold~693dFees−0.7¢Net edge0.3¢
Jordan Love
Pro Football Passing Yards Leader — 2026-2027 Regular SeasonBuy at6.0%KalshiBuy opposite91.0%Polymarket US
Profit$2Return2.1%
Capital$106Hold~112dFees−1.0¢Net edge2.0¢
Maxx Crosby
Pro Football Sacks Leader — 2026-2027 Regular SeasonBuy at12.0%Polymarket USBuy opposite84.0%Polymarket
Profit$2Return2.7%
Capital$81Hold~112dFees−1.4¢Net edge2.6¢
No24.5+ passing TDs
Pro Football: Jordan Love 2026-27 Regular Season Passing TouchdownsBuy at35.0%Polymarket USBuy opposite56.0%Polymarket
Profit$2Return6.8%
Capital$32Hold~112dFees−2.8¢Net edge6.2¢
Yes24.5+ passing TDs
Pro Football: Jordan Love 2026-27 Regular Season Passing TouchdownsBuy at56.0%PolymarketBuy opposite35.0%Polymarket US
Profit$2Return6.8%
Capital$32Hold~112dFees−2.8¢Net edge6.2¢
Chicago
2027 Pro Football Champion — 2026-27Buy at3.0%KalshiBuy opposite94.0%Polymarket
Profit$2Return2.7%
Capital$80Hold~126dFees−0.4¢Net edge2.6¢
Yes
Israel and Lebanon normalize relations before 2027?Buy at3.3%KalshiBuy opposite92.0%Polymarket
Profit$2Return4.7%
Capital$44Hold~102dFees−0.2¢Net edge4.5¢
No
Israel and Lebanon normalize relations before 2027?Buy at92.0%PolymarketBuy opposite3.3%Kalshi
Profit$2Return4.7%
Capital$44Hold~102dFees−0.2¢Net edge4.5¢
YesTom Homan
Who will be arrested before 2027? — Before Jan 2027Buy at5.0%KalshiBuy opposite93.3%Polymarket
Profit$2Return1.1%
Capital$179Hold~102dFees−0.6¢Net edge1.1¢
Democrats 4-6%
2026 2026 Midterms: House popular vote margin of victory? (Generic ballot) — At the release of the national House popular vote dataBuy at8.6%KalshiBuy opposite90.0%Polymarket
Profit$2Return0.5%
Capital$389Hold~43dFees−0.9¢Net edge0.5¢
No9.5+ rushing TDs
Pro Football: Breece Hall 2026-27 Regular Season Rushing TouchdownsBuy at78.0%PolymarketBuy opposite15.0%Polymarket US
Profit$2Return5.7%
Capital$33Hold~112dFees−1.7¢Net edge5.3¢
Yes9.5+ rushing TDs
Pro Football: Breece Hall 2026-27 Regular Season Rushing TouchdownsBuy at15.0%Polymarket USBuy opposite78.0%Polymarket
Profit$2Return5.7%
Capital$33Hold~112dFees−1.7¢Net edge5.3¢
No
Pro Football: Breece Hall 2026-27 Regular Season Rushing TouchdownsBuy at16.0%Polymarket USBuy opposite72.0%Polymarket
Profit$2Return11.4%
Capital$16Hold~112dFees−1.9¢Net edge10.1¢
Yes
Pro Football: Breece Hall 2026-27 Regular Season Rushing TouchdownsBuy at72.0%PolymarketBuy opposite16.0%Polymarket US
Profit$2Return11.4%
Capital$16Hold~112dFees−1.9¢Net edge10.1¢
Gavin Newsom
Democratic Presidential Nominee 2028Buy at14.0%KalshiBuy opposite84.5%Polymarket
Profit$2Return0.1%
Capital$1.3KHold~778dFees−1.4¢Net edge0.1¢
Donald Trump
Nobel Peace Prize Winner 2026Buy at2.5%PolymarketBuy opposite97.0%Kalshi
Profit$2Return0.2%
Capital$1.0KHold~19dFees−0.3¢Net edge0.2¢
Republican party
Alaska State Senate winner?Buy at32.0%Polymarket USBuy opposite64.0%Kalshi
Profit$2Return0.9%
Capital$192Hold~44dFees−3.1¢Net edge0.9¢
Showing 51–100 of 507