Speculation around James’ retirement is at an all-time high. If you’re new to prediction markets, Kalshi is an easy place to get your bearings. So let’s say you bought 100 contracts on LeBron James retiring before the 2026 regular season, which currently sits at 35% ($0.35). Score a $10 bonus to use on the NBA, including James’ retirement probability. NOTE: Event contracts trading involves risk of substantial loss and is not suitable for all investors.