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ATP·Wed 4:00 AM ET

Jerome KYM vs Stefanos Tsitsipas

Stefanos Tsitsipas is the current favorite at $0.77 ask on Kalshi and $0.70 ask on Polymarket — an implied ≈73% chance. Prices as of 19:19 UTC on Jul 14, 2026, delayed about five minutes. Source markets: Kalshi · Polymarket. Resolution follows each venue's own market terms.

Curious how long a gap like this stays open? We measured it.

Jerome KYM

ATP

Wed 4:00 AM ET

Stefanos Tsitsipas
20%60%80%100%12:18 PM12:34 PM12:49 PM1:03 PM1:20 PM31¢39¢

Moneyline

Jerome KYM15¢ gap
Kalshi31¢Polymarket46¢
Stefanos Tsitsipas7¢ gap
Kalshi77¢Polymarket70¢

Prices delayed about five minutes. Each venue's best ask per outcome; Kalshi asks are derived from its NO bids (ask = $1 minus the bid). Kalshi volume counts contracts, Polymarket volume is in dollars. Real-time prices and the full depth ladder are available via the WebSocket stream with an API key. Feed reference DINO-XKQZ7-9182.