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WTA·Mon 5:00 AM ET

Carole Monnet vs Rebeka Masarova

Rebeka Masarova is the current favorite at $0.83 ask on Kalshi and $0.85 ask on Polymarket — an implied ≈84% chance. Prices as of 14:11 UTC on Jul 12, 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.

Carole Monnet

WTA

Mon 5:00 AM ET

Rebeka Masarova
16%18%22%6:20 AM6:36 AM6:53 AM7:06 AM7:20 AM20¢17¢

Moneyline

Carole Monnet3¢ gap
Kalshi20¢Polymarket17¢
Rebeka Masarova2¢ gap
Kalshi83¢Polymarket85¢

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.