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WTACHALLENGER·Tue 8:00 AM ET

Arantxa Rus vs Leonie Rabl

Arantxa Rus is the current favorite at $0.96 ask on Kalshi and $0.97 ask on Polymarket — an implied ≈96% chance. Prices as of 04:02 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.

Arantxa Rus

WTACHALLENGER

Tue 8:00 AM ET

Leonie Rabl
94%98%7:40 PM7:55 PM8:10 PM8:25 PM8:46 PM96¢97¢

Moneyline

Arantxa Rus1¢ gap
Kalshi96¢Polymarket97¢
Leonie Rabl
Kalshi5¢Polymarket5¢

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.