U.S. Open: Round 4 Scores

Prediction market odds and traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and manage risk, while prediction markets like this one aggregate the beliefs of traders who profit or lose based on accuracy. This market may offer sharper pricing in some cases, since traders have direct financial exposure to outcomes. Comparing these odds can reveal where the broader betting public disagrees with professional oddsmakers, though both sources provide valuable reference points for understanding expected probabilities.

On Kalshi, this market is priced through an order-book mechanism where traders buy and sell shares representing different outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Prices fluctuate based on supply and demand, with each share worth between $0 and $1 at settlement. Traders place limit or market orders to express their views on Round 4 scores, and the midpoint of the bid-ask spread reflects the market's consensus probability. As new information surfaces—player performance, course conditions, or leaderboard updates—traders adjust positions, causing prices to shift in real time.

This market resolves around Jun 23, 2026, once the fourth round of the U.S. Open concludes and final scores are verified. The outcome is confirmed through credible public reporting from the tournament organizers and major sports media outlets. Traders holding shares in the correct outcome receive their payout, while incorrect positions expire worthless. The exact resolution timing depends on when official results are published and confirmed across reliable sources.

Several factors can shift odds in this market before it closes. Real-time leaderboard updates during Round 4 play will trigger immediate repricing as traders react to leader changes, dramatic shots, and score movements. Weather conditions on the course, player injuries, or unexpected withdrawals can also influence sentiment. Early-round results and how favorites perform relative to expectations will drive trading volume and volatility. Media commentary and analyst predictions may sway retail traders, while sharp bettors may exploit perceived mispricings based on course history and player form.