TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 21, 5:22 PM EST
Kalshi
Miles Russell and Jackson Koivun compete head-to-head during the 2026 U.S. Open golf tournament. The winner of this matchup is determined by who posts the better score across the full tournament.
This event compares the performance of Miles Russell against Jackson Koivun during the 2026 U.S. Open. The head-to-head matchup winner is determined by comparing their scores throughout the full tournament. If the matchup is designated for a single round rather than the full tournament, only the scores from that specific round will be used to determine the winner, regardless of either golfer's cumulative score at the end of that round.
Prediction market odds often diverge from traditional sportsbook lines because they reflect a broader, decentralized crowd rather than professional oddsmakers. On this market, traders continuously adjust prices based on new information, injuries, or performance data, which can create opportunities for sharp bettors. Sportsbooks typically move more slowly and incorporate margin, whereas prediction markets like this one tend to be more efficient at pricing in real-time developments.
On Kalshi, this market is priced through an order-book mechanism where buyers and sellers submit bids and asks for shares representing each outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price you see reflects the last executed trade, and you can place limit or market orders to enter or exit your position. As new information emerges or trader sentiment shifts, the bid-ask spread and midpoint price adjust dynamically to reflect changing expectations about the tournament result.
This market resolves around Jun 22, 2026, once the tournament matchup concludes and the result is verifiable from credible public sources. The outcome will be confirmed based on the official tournament records and verified reporting. All open positions will settle according to the final result at that time.
Key catalysts include recent tournament performance, head-to-head records, player fitness and injury updates, and any changes in bracket seeding or matchup conditions. Media coverage and expert analysis can also shift trader sentiment rapidly. Weather, venue factors, or unexpected roster changes closer to the event date may trigger sharp repricing. Monitor sports news and official tournament announcements for developments that could influence how traders reassess each competitor's winning probability.