NL Rookie of the Year Winner
Prediction market tracked on Prediction Pantheon in the Sports category with $4.5M traded.
Expected settlement: 2026-12-08.
Buy prices at last build
- Sal Stewart: Kalshi 80¢ · Polymarket 79¢
Confirmed cross-platform price gap: 1¢ (identical market on both platforms).
Prices are buy prices on each platform when this page was built; open the page in a browser for live prices.
Settlement rules
Polymarket: This market will resolve to the player who wins the 2026 National League Rookie of the Year award for the 2026 MLB Season. In the event of a tie, this market will resolve according to the official winner as determined by MLB rules. If multiple winners are announced then this market will resolve to the player whose listed last name comes first alphabetically. If the 2026 MLB season is cancelled, postponed after December 31, 2026, 11:59 PM ET, or there is otherwise no winner declared within that timeframe, this market will resolve to “Other”. The resolution source for this market will be official information from Major League Baseball; however, a consensus of credible reporting may also be us…
Kalshi: If Sal Stewart wins the Pro Baseball National League Rookie of the Year in the 2026 season, then the market resolves to Yes.