Lille OSC vs. Real Betis Balompié odds: Kalshi vs Polymarket
Tue, Sep 8, 2026, 3:00 PM ET · Champions League games · $534 traded in 24h across both venues.
Lille OSC: Kalshi 43¢ vs Polymarket 44¢, -1.0 pp
Mid prices. A price is the market's probability: 43¢ means 43%. The gap is Kalshi minus Polymarket in percentage points.
Two separate exchanges, two accounts. Links may carry a referral code, which never changes what is shown. Disclosures.
-4.99¢ per $1, after fees
Buy Lille OSC @ Kalshi 43¢, Real Betis Balompié @ Kalshi 30¢, Draw @ Polymarket 27¢
All outcomes
| Outcome | Kalshi bid / ask | Polymarket bid / ask | Gap |
|---|---|---|---|
| Lille OSC | 42¢ / 43¢ | 43¢ / 44¢ | -1.0 pp |
| Real Betis Balompié | 29¢ / 30¢ | 29¢ / 31¢ | -0.5 pp |
| Draw | 26¢ / 27¢ | 26¢ / 27¢ | 0.0 pp |
Price history, last 3 days
How this is matched
Games are matched across the two exchanges by league, team codes and date. Polymarket prices come from its live order book, Kalshi from its public API. Refreshed every 45 seconds.
What this is not
Read-only. Nothing here places or routes orders and nothing is advice. Fees, slippage and the time it takes to move money between venues are not in these numbers.