Guadalajara Open Akron: Elvina Kalieva vs Kayla Day odds: Kalshi vs Polymarket
Mon, Sep 14, 2026, 12:00 PM ET · WTA tennis matches · $91 traded in 24h across both venues.
Kayla Day: Kalshi 64¢ vs Polymarket 64¢, -0.5 pp
Mid prices. A price is the market's probability: 64¢ means 64%. 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.
-4.17¢ per $1, after fees
Buy Elvina Kalieva @ Polymarket 37¢, Kayla Day @ Kalshi 64¢
All outcomes
| Outcome | Kalshi bid / ask | Polymarket bid / ask | Gap |
|---|---|---|---|
| Elvina Kalieva | 35¢ / 38¢ | 35¢ / 37¢ | +0.5 pp |
| Kayla Day | 63¢ / 64¢ | 63¢ / 65¢ | -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.