Alternative Minimum Tax 2026: Who Pays AMT
The Alternative Minimum Tax exists for one reason: to make sure high-income taxpayers cannot use deductions and exemptions to reduce their tax bill to zero. Think of it as a parallel tax system running alongside the regular income tax. You calculate your taxes both ways, and you pay whichever amount is higher. If the AMT exceeds your regular tax, you pay the difference as additional tax. For 2026, the AMT landscape has shifted significantly. The One Big Beautiful Bill Act (OBBBA) made the higher exemption amounts permanent — good news — but simultaneously doubled the phaseout rate from 25% to 50%, which means the exemption disappears much faster as your income climbs. The net effect: more upper-middle-income earners could find themselves subject to AMT than in recent years. This guide walks you through exactly how the AMT works in 2026, who is most likely to owe it, and how to calculate your exposure. Whether you are exercising stock options, earning above $500,000, or simply trying to understand your tax situation, the mechanics below will give you a clear picture.