TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 7, 3:29 PM EST
Kalshi
The 2026 KLM Open will take place with a field of professional golfers competing to hold the lead after the tournament's third and final round.
Prediction market odds on Kalshi often diverge from traditional sportsbook odds because they reflect real-time crowd sentiment and continuous trading rather than fixed lines set by oddsmakers. Sportsbooks manage risk and margins differently, while prediction markets aggregate beliefs from many traders with financial incentives to price accurately. For the KLM Open End of Round 3 Leader, comparing Kalshi probabilities to major sportsbook lines can reveal where public opinion and professional bookmakers disagree, potentially highlighting value opportunities for informed bettors.
On Kalshi, the KLM Open End of Round 3 Leader market is priced through continuous order-book trading where contracts for each potential leader outcome trade between 0 and 100 cents. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each contract reflects the market's collective estimate of that golfer's probability of leading after Round 3. Traders buy contracts they believe are underpriced and sell those they think are overpriced, with the spread between bid and ask prices tightening as the market becomes more liquid and consensus solidifies closer to resolution.
The KLM Open End of Round 3 Leader market resolves on Jun 21, 2026. Resolution is determined by the official leaderboard position immediately after the completion of the third round of the KLM Open tournament. The golfer with the lowest cumulative score through 54 holes is declared the leader, and the corresponding contract resolves to 100 cents while all other outcomes resolve to zero. Official tournament records and PGA Tour data serve as the authoritative source for determining the outcome.
Several factors can shift odds for the KLM Open End of Round 3 Leader before resolution. Tournament performance through Rounds 1 and 2 is the primary driver, as strong play moves a golfer's odds higher while poor scoring reduces their chances. Weather conditions, course conditions, and injury updates can also influence market pricing. Betting action and trader sentiment adjustments happen continuously as new information emerges. Major upsets or unexpected withdrawals during the tournament will cause rapid repricing of affected outcomes on the market.