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WTACHALLENGER·Mon 10:00 AM ET

Darya Astakhova vs Kajsa Rinaldo Persson

Kajsa Rinaldo Persson is the current favorite at $0.61 ask on Kalshi and $0.59 ask on Polymarket — an implied ≈60% chance. Prices as of 04:16 UTC on Jul 13, 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.

Darya Astakhova

WTACHALLENGER

Mon 10:00 AM ET

Kajsa Rinaldo Persson
44%46%50%10:18 PM10:35 PM10:50 PM11:01 PM11:11 PM47¢48¢

Moneyline

Darya Astakhova1¢ gap
Kalshi47¢Polymarket48¢
Kajsa Rinaldo Persson2¢ gap
Kalshi61¢Polymarket59¢

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.