Club Atlético de Madrid vs. CA Osasuna odds: Kalshi vs Polymarket
Wed, Sep 16, 2026, 1:00 PM ET · La Liga games · $77 traded in 24h across both venues.
Club Atlético de Madrid: Kalshi 66¢ vs Polymarket 67¢, -0.5 pp
Mid prices. A price is the market's probability: 66¢ means 66%. The gap is Kalshi minus Polymarket in percentage points.
Open on Kalshi ↗Club Atlético de Madrid · 70¢ askOpen on Polymarket ↗Club Atlético de Madrid · 69¢ ask
Two separate exchanges, two accounts. Links may carry a referral code, which never changes what is shown. Disclosures.
-21.08¢ per $1, after fees
Buy Club Atlético de Madrid @ Polymarket 69¢, CA Osasuna @ Kalshi 20¢, Draw @ Polymarket 28¢
All outcomes
| Outcome | Kalshi bid / ask | Polymarket bid / ask | Gap |
|---|---|---|---|
| Club Atlético de Madrid | 62¢ / 70¢ | 64¢ / 69¢ | -0.5 pp |
| CA Osasuna | 9¢ / 20¢ | 11¢ / 22¢ | -2.0 pp |
| Draw | 16¢ / 30¢ | 20¢ / 28¢ | -1.0 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.