TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 20, 10:09 PM EST
Kalshi
This market tracks whether Rory McIlroy will lead at the end of Round 1 in the 2026 BMW Championship on Kalshi, with the resolution based on official tournament results. Currently, Rory McIlroy leads with a probability of 21.0%, while J.J. Spaun follows at 20.0%. The outcome will be determined by the leader after the first round concludes on September 6, 2026, marking the end of the betting period for this event.
Each market corresponds to a specific golfer, resolving to 'Yes' if that golfer is the sole leader at the end of Round 1 of the 2026 BMW Championship. If multiple participants share the lead, 'Yes' positions pay $1 divided by the number of tied leaders (rounded down to the nearest cent), while 'No' positions pay the complement of that amount (1 minus the 'Yes' payout). The markets are independent, with each golfer’s outcome determined solely by their own standing relative to others after Round 1. Kalshi disclaims any official affiliation with the PGA, and all trademarks remain the property of their respective owners.
This market resolves around Sep 6, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The leader after the first round will be the official result, determined by scores published by tournament organizers and widely covered media sources.
Several key signals could shift probabilities in this market before Sep 6, 2026. Performance metrics from recent practice rounds, player injuries or changes in form, and weather conditions affecting course play all influence trader sentiment. Media reports and expert commentary may also sway expectations. As the tournament progresses, early leaderboard positions and momentum shifts can dramatically alter market dynamics. Any last-minute changes in participant status or course conditions will likely trigger rapid price adjustments on Kalshi.