There are interesting prediction markets, and then there are markets that carry enough volume to demand attention on their own terms. The Kalshi NBA championship contract has nearly crossed $125 million in total trading volume, making it one of the largest sports markets the platform has run. That number matters because it signals sustained, broad engagement from traders who have had months to revise their views, and what they keep landing on is Oklahoma City. The Thunder sit at 56% in the Pro Basketball Champion market, a position they have held with increasing conviction as the season has wound down. San Antonio is the primary challenger at 21%, and the gap between those two and the rest of the field tells most of the story. Oklahoma City Thunder | 56% Chance A 56-cent Yes contract in a $125 million market is not the result of a few big bets pushing a number around. It reflects an extended, market-wide conversation that has repeatedly arrived at the same conclusion.…