Will any man other than Carlos Alcaraz and Jannik Sinner win any ATP Tennis Grand Slam in 2026?
Prediction markets currently give a 49% probability that Will any man other than Carlos Alcaraz and Jannik Sinner win any ATP Tennis Grand Slam in 2026?. This contract trades at 49¢ on Kalshi, closing December 31, 2026. The market is pricing a 45% chance that someone other than Alcaraz or Sinner wins a 2026 Grand Slam, implying these two dominate approximately 55% of the four majors combined—a historically high concentration for tennis.
Analysis
The market is pricing a 45% chance that someone other than Alcaraz or Sinner wins a 2026 Grand Slam, implying these two dominate approximately 55% of the four majors combined—a historically high concentration for tennis. The Yes side offers an exceptional 172.8% annualized yield with minimal liquidity ($7.27 daily volume), suggesting the market may be underpricing the probability of disruption from established players like Djokovic, Medvedev, or emerging talent. The sharp 9-cent price increase over seven days combined with elevated realized volatility (269%) and a 1.80 vol ratio indicates recent conviction buying, though the thin spread and low info arrival rate (0.6/h) suggest limited new data is driving this move.
Resolution rules
If any man other than Carlos Alcaraz and Jannik Sinner wins a tennis major (the Australian Open, the U.S. Open, the French Open, or Wimbledon) before Dec 31, 2026, then the market resolves to Yes.
Indicators
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Trade
sf trade KXATPGRANDSLAMFIELD-26-FIELD yes 100