Guadalajara Open Akron: Kayla Day vs Liudmila Samsonova odds: Kalshi vs Polymarket
Wed, Sep 16, 2026, 8:30 PM ET · WTA tennis matches · $1k traded in 24h across both venues.
Liudmila Samsonova: Kalshi 70¢ vs Polymarket 71¢, -0.5 pp
Mid prices. A price is the market's probability: 70¢ means 70%. 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.
-4.03¢ per $1, after fees
Buy Kayla Day @ Kalshi 30¢, Liudmila Samsonova @ Polymarket 71¢
All outcomes
| Outcome | Kalshi bid / ask | Polymarket bid / ask | Gap |
|---|---|---|---|
| Kayla Day | 29¢ / 30¢ | 29¢ / 30¢ | 0.0 pp |
| Liudmila Samsonova | 69¢ / 71¢ | 70¢ / 71¢ | -0.5 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.