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WTA·Sun 10:00 AM ET

Lilli Tagger vs Madison Sieg

Lilli Tagger is the current favorite at $0.86 ask on Kalshi and $0.88 ask on Polymarket — an implied ≈87% chance. Prices as of 03:08 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.

Lilli Tagger

WTA

Sun 10:00 AM ET

Madison Sieg
84%86%90%92%6:09 PM7:24 PM8:40 PM9:55 PM11:05 PM88¢

Moneyline

Lilli Tagger2¢ gap
Kalshi86¢Polymarket88¢
Madison Sieg1¢ gap
Kalshi14¢Polymarket15¢

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.