TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 18, 3:39 PM EST
Kalshi
This market tracks which golfer will hold the lead after three rounds conclude at the 2026 The Open Championship. On Kalshi, Sam Burns leading at the end of Round 3 is priced at 99.0%. The resolution source is the official leaderboard position following Round 3 play. Watch for the completion of Round 3 on August 2, 2026, when the final leaderboard will determine the market outcome; if multiple golfers are tied for the lead at that point, payouts will be divided equally among them.
The market resolves based on the official leaderboard position at the conclusion of Round 3. A golfer must be the sole leader or tied for the lead at that moment. If multiple participants share the lead, Yes positions receive $1 divided by the number of tied participants (rounded down to the nearest cent), with No positions receiving the complement of that payout.
Prediction market odds and sportsbook odds often diverge because they reflect different mechanisms. Sportsbooks set odds to balance liability and extract a margin, while prediction markets like this one price outcomes through continuous trader participation and real-money incentives. Traders here profit by accurately forecasting the Round 3 leader, creating pressure for prices to align with true probabilities. Sportsbook odds may lag behind market prices during fast-moving tournaments, since prediction markets update instantly as new information emerges. Comparing the two can reveal where professional and retail sentiment differ on the eventual leader.
On Kalshi, this market is priced through an automated market maker and order book system where traders buy and sell shares representing each potential Round 3 leader. 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; if more traders believe a particular golfer will lead after Round 3, the price of that outcome rises, and vice versa. The platform displays bid-ask spreads in real time, and traders can execute market or limit orders. Settlement occurs once the round concludes and the leader is verified, at which point winning shares are worth their full value and losing shares expire worthless.
This market resolves around Aug 2, 2026, once Round 3 of the Open Championship concludes and the leaderboard is finalized. The outcome is determined by identifying which golfer holds the lead after all competitors have completed their third round. Resolution is confirmed once the result is verifiable from credible public reporting of the tournament. Early resolution may occur if the tournament structure or scheduling changes, but standard resolution waits for official final leaderboard data from the event organizers.
Several factors can shift odds before this market resolves. Real-time scoring updates during Rounds 1 and 2 will reshape trader expectations about who is positioned to lead after Round 3. Weather conditions, course difficulty, and injury reports can alter perceived contender strength. Momentum plays a major role—a golfer's hot streak or cold stretch will trigger rapid repricing. Media narratives and expert commentary often influence retail trader behavior. Major upsets or unexpected performances by long-shot competitors can trigger sharp moves. As the tournament progresses and the field narrows, volatility typically increases as traders adjust positions based on live leaderboard data and emerging favorites.