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ATPCHALLENGER·Tue 6:00 AM ET

Mika Brunold vs Ryan Nijboer

Mika Brunold is the current favorite at $0.55 ask on Kalshi and $0.53 ask on Polymarket — an implied ≈54% chance. Prices as of 04:07 UTC on Jul 14, 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.

Mika Brunold

ATPCHALLENGER

Tue 6:00 AM ET

Ryan Nijboer
52%54%56%6:01 PM6:12 PM6:24 PM6:35 PM6:45 PM55¢53¢

Moneyline

Mika Brunold2¢ gap
Kalshi55¢Polymarket53¢
Ryan Nijboer1¢ gap
Kalshi49¢Polymarket48¢

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.