Sao Paulo Open: Dominika Salkova vs Mary Stoiana odds, Sep 17: Kalshi vs Polymarket
Mary Stoiana 68% on Kalshi, 66% on Polymarket. Both exchanges' prices for every outcome of Sao Paulo Open: Dominika Salkova vs Mary Stoiana, Sep 17, $887 traded in 24 hours, updated every 45 seconds.
Thu, Sep 17, 2026, 1:30 PM ET · WTA tennis matches · $887 traded in 24h across both venues
Mary Stoiana: Kalshi 68¢ vs Polymarket 66¢, +2.0 pp
Mid prices. A price is the market's probability: 68¢ means 68%. 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 |
|---|---|---|---|
| Dominika Salkova | 33¢ / 34¢ | 34¢ / 35¢ | -1.0 pp |
| Mary Stoiana | 67¢ / 68¢ | 65¢ / 66¢ | +2.0 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.