For years, many gamblers operated under a fairly simple tax assumption: If you won money and later lost it all, the IRS generally viewed you as breaking even. Starting in 2026, that view changes in a very significant way.
A new provision tied to the 2025 One Big Beautiful Bill Act introduces a limitation that could leave gamblers paying taxes even when they walk away with no actual profit. For high-volume players, the impact can be surprisingly expensive.
A Simple Example That Shows the Problem
Imagine this scenario. You begin the year with $10,000. Over the course of the year, you win $1,000,000. Congratulations! Unfortunately, you continue gambling and ultimately lose the entire $1,000,000, ending the year at your original $10,000.
From a…