Polymarket$2.32BOIOpen interest: sum of pool liquidity across all active markets, reported by the Polymarket API.
Kalshi$350.67MOIOpen interest: total contracts outstanding across all active markets, reported by the Kalshi API.
Limitless$18.48MOIOpen interest: estimated from total volume traded (USDC). Limitless does not report a separate OI metric.Compare UEFA Europa League Winner prediction market odds side by side across Polymarket, Kalshi. Platforms show similar odds, with an average spread of just 0.6pp. Close agreement often signals strong market consensus. With $11.9K in combined trading volume across 47 outcomes, this is one of the notable cross-platform prediction markets.
Aston VillaPolymarketKalshiCost: 94¢ per pair → pays $1 at resolution. Gross spread 6.0pp before fees.
View all arbs| Outcome | Polymarket | Kalshi | Spread |
|---|---|---|---|
Aston Villa | 28%+1.5 | 34%+5.0 | 6.0pp spread |
Lyon | 14%-0.5 |
| 5.5pp spread |
Porto | 11%±0 | 11%±0 | 0.3pp spread |
N Nottingham | - | 10%±0 | - |
Roma | 10%+0.5 | 9%±0 | 1.0pp spread |
Real Betis | 10%— | 7%+1.0 | 2.5pp spread |
D Dinamo Zagreb | - | 5%±0 | - |
Nott'm Forest | 4%+0.5 | - | - |
Bologna | 4%±0 | 4%±0 | 0.1pp spread |
Stuttgart | 3%-0.5 | 5%±0 | 1.9pp spread |
C Celta Vigo | 4%±0 | 4%±0 | 0.3pp spread |
Midtjylland | 3%-2.2 | 4%±0 | 0.9pp spread |
F Ferencvarosi | 3%±0 | 4%±0 | 1.0pp spread |
Freiburg | 3%-0.7 | 3%±0 | 0.1pp spread |
Celtic | 0%±0 | 6%±0 | 6.0pp spread |
Genk | 2%±0 | 3%±0 | 0.8pp spread |
Panathinaikos | 2%±0 | 2%±0 | 0.1pp spread |
Lille | 2%+2.4 | 2%±0 | 0.2pp spread |
Braga | 2%±0 | 2%±0 | 0.3pp spread |
P Plzen | - | 1%±0 | - |
C Crvena Zvezda | - | 1%±0 | - |
Ludogorets | 0%-0.5 | 1%±0 | 1.0pp spread |
Fenerbahçe | 0%±0 | 1%±0 | 1.0pp spread |
Aberdeen | 0%±0 | - | - |
GNK Dinamo | 0%±0 | - | - |
Samsunspor | 0%-3.0 | - | - |
Zrinjski | 0%±0 | - | - |
Go Ahead Eagles | 0%±0 | - | - |
AEK Larnaca | 0%±0 | - | - |
Dynamo Kyiv | 0%±0 | - | - |
Young Boys | 0%±0 | - | - |
Basel | 0%±0 | - | - |
Utrecht | 0%±0 | - | - |
M. Tel-Aviv | 0%— | - | - |
L. Red Imps | 0%±0 | - | - |
Shkëndija | 0%-4.5 | - | - |
Red Star Belgrade | 0%-0.8 | - | - |
KuPS Kuopio | 0%±0 | - | - |
Brann | 0%±0 | 0%— | - |
Malmö | 0%— | - | - |
Rijeka | 0%-3.0 | - | - |
FCSB | 0%±0 | - | - |
PAOK | 0%±0 | 0%— | - |
S. Bratislava | 0%-10.9 | - | - |
Sigma Olomouc | 0%— | - | - |
Feyenoord | 0%±0 | - | - |
Lech Poznań | 0%±0 | - | - |
