According to Odaily Seer, the probability of Rory McIlroy winning the 2026 Masters Tournament on Polymarket has risen to 70%, a 46% increase in 24 hours. As of now, the total value of contracts for the "2026 Masters Tournament Winner" event has exceeded $107 million. The rules for this event contract are as follows: settlement is based on the player who wins the 2026 Masters Tournament. If a player is eliminated according to the official rules of the tournament, the relevant market will be settled as "No." In the event of a tie, settlement will be based on the winner determined by the official rules of the Masters Tournament. If no winner is announced by December 31, 2026, the settlement will be "Other." The settlement is primarily based on the official results published on the PGA Tour website and the Masters Tournament website, and may also consider consensus from other reliable reports. The 90th Masters Tournament 2026 officially teed off this week at Augusta National Golf Club. Defending champion Rory McIlroy shot a 67, tying for the lead with American Sam Burns after the first round. Chinese player Li Haotong carded a 71, tied for 10th. After the first day of competition, Australian Jason Day, Japanese-American Kurt Kitayama, and 2018 Masters champion Patrick Reed are all tied for third with 69s. Odaily Seer continues to monitor the prediction market, seeing changes before pricing.