Rayo Vallecano de Madrid vs. RCD Espanyol de Barcelona odds: Kalshi vs Polymarket
Tue, Sep 15, 2026, 1:00 PM ET · La Liga games · $0 traded in 24h across both venues.
Rayo Vallecano de Madrid: Kalshi 44¢ vs Polymarket 45¢, -0.5 pp
Mid prices. A price is the market's probability: 44¢ means 44%. The gap is Kalshi minus Polymarket in percentage points.
Open on Kalshi ↗Rayo Vallecano de Madrid · 48¢ askOpen on Polymarket ↗Rayo Vallecano de Madrid · 50¢ ask
Two separate exchanges, two accounts. Links may carry a referral code, which never changes what is shown. Disclosures.
-15.11¢ per $1, after fees
Buy Rayo Vallecano de Madrid @ Kalshi 48¢, RCD Espanyol de Barcelona @ Polymarket 33¢, Draw @ Kalshi 29¢
All outcomes
| Outcome | Kalshi bid / ask | Polymarket bid / ask | Gap |
|---|---|---|---|
| Rayo Vallecano de Madrid | 41¢ / 48¢ | 40¢ / 50¢ | -0.5 pp |
| RCD Espanyol de Barcelona | 23¢ / 32¢ | 22¢ / 33¢ | 0.0 pp |
| Draw | 22¢ / 29¢ | 23¢ / 33¢ | -2.5 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.