09/30/2026
If you are married, both over 65, and hold investments you have owned for years, there is a tax window that closes December 31.
In 2026 a couple can have up to $146,400 of gross income and pay 0% federal tax on long-term capital gains. The published table says $98,900, but that is taxable income. The deduction stack for a couple over 65 this year is $47,500, and it sits on top.
A Scottsdale couple, both 67, living on $40,000 of IRA withdrawals and interest, can realize $102,400 of gains this year with no federal tax. Arizona's 2.5% comes to about $2,560. They can buy the same shares back the same day, because the wash-sale rule only applies to losses, and their basis resets higher.
The room does not carry forward. Realize that gain in a later, higher-income year and 15% makes it $15,360.
Work out your headroom in November, when you can see the year's dividends and fund distributions.
A couple over 65 can have $146,400 of gross income in 2026 and pay nothing federally on their long-term gains. The room is annual and closes December 31.