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ATPCHALLENGER·Mon 2:00 PM ET

Charles Broom vs Rio Noguchi

Charles Broom is the current favorite at $0.52 ask on Kalshi and $0.52 ask on Polymarket — an implied ≈52% chance. Prices as of 14:48 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.

Charles Broom

ATPCHALLENGER

Mon 2:00 PM ET

Rio Noguchi
50%54%56%2:23 AM3:32 AM4:54 AM6:26 AM7:58 AM52¢52¢

Moneyline

Charles Broom
Kalshi52¢Polymarket52¢
Rio Noguchi1¢ gap
Kalshi50¢Polymarket49¢

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.