
The 90% loss cap is pushing US bettors toward prediction markets, John Isaac explains why
A player who wins $100,000 and loses $100,000 this year now owes federal tax on $10,000 they never kept. The 90% cap on gambling loss deductions applies from the 2026 tax year, and the venues competing hardest with licensed sportsbooks are not clearly bound by it. We spoke with John Isaac, Editor a…















