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WTA·Sun 6:00 AM ET

Irina Fetecau vs Tatiana Pieri

Tatiana Pieri is the current favorite at $0.66 ask on Kalshi and $0.66 ask on Polymarket — an implied ≈66% chance. Prices as of 03:10 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.

Irina Fetecau

WTA

Sun 6:00 AM ET

Tatiana Pieri
20%60%80%100%6:13 PM6:30 PM6:48 PM7:04 PM7:21 PM36¢38¢

Moneyline

Irina Fetecau2¢ gap
Kalshi36¢Polymarket38¢
Tatiana Pieri
Kalshi66¢Polymarket66¢

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.