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WTACHALLENGER·Sat 8:00 AM ET

Paula Badosa vs Simona Waltert

Paula Badosa is the current favorite at $0.73 ask on Kalshi and $0.70 ask on Polymarket — an implied ≈72% chance. Prices as of 04:55 UTC on Jul 11, 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.

Paula Badosa

WTACHALLENGER

Sat 8:00 AM ET

Simona Waltert
68%72%74%8:16 PM8:17 PM8:17 PM8:19 PM8:19 PM73¢70¢

Moneyline

Paula Badosa3¢ gap
Kalshi73¢Polymarket70¢
Simona Waltert1¢ gap
Kalshi32¢Polymarket31¢

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.