Sao Paulo Open: Darja Semenistaja vs Teodora Kostovic odds, Sep 16: Kalshi vs Polymarket
Teodora Kostovic 56% on Kalshi, 55% on Polymarket. Both exchanges' prices for every outcome of Sao Paulo Open: Darja Semenistaja vs Teodora Kostovic, Sep 16, $36k traded in 24 hours, updated every 45 seconds.
Wed, Sep 16, 2026, 4:00 PM ET · WTA tennis matches · $36k traded in 24h across both venues
Teodora Kostovic: Kalshi 56¢ vs Polymarket 55¢, +1.0 pp
Mid prices. A price is the market's probability: 56¢ means 56%. 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.
All outcomes
| Outcome | Kalshi bid / ask | Polymarket bid / ask | Gap |
|---|---|---|---|
| Darja Semenistaja | 45¢ / 46¢ | 45¢ / 46¢ | 0.0 pp |
| Teodora Kostovic | 55¢ / 56¢ | 54¢ / 55¢ | +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.