US Open ATP: Alexander Zverev vs Luciano Darderi odds: Kalshi vs Polymarket
Mon, Sep 7, 2026, 11:00 AM ET · ATP tennis matches · $13k traded in 24h across both venues.
Alexander Zverev: Kalshi 89¢ vs Polymarket 90¢, -1.0 pp
Mid prices. A price is the market's probability: 89¢ means 89%. 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.
-1.49¢ per $1, after fees
Buy Alexander Zverev @ Kalshi 89¢, Luciano Darderi @ Polymarket 11¢
All outcomes
| Outcome | Kalshi bid / ask | Polymarket bid / ask | Gap |
|---|---|---|---|
| Alexander Zverev | 88¢ / 89¢ | 89¢ / 90¢ | -1.0 pp |
| Luciano Darderi | 11¢ / 12¢ | 10¢ / 11¢ | +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.