A Retired Couple Can Realize Nearly $100,000 in Gains This Year and Pay $0 Federal Tax. Most Sail Right Past It
The tax code contains a bracket most retired couples never notice, and missing it costs them thousands of dollars in completely avoidable federal taxes every single year.
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If you own a taxable brokerage account and you’re retired filing jointly, the tax code contains a gift that most couples never notice: the 0% long-term capital gains bracket. Stack it on top of the 2026 standard deduction and you can sell appreciated stocks, funds, or ETFs and owe absolutely nothing in federal tax on the gain. The rate is zero, and it is sitting there waiting to be used.
The Reveal: A 0% Rate That Actually Exists
Long-term capital gains (assets held more than one year) are taxed on their own schedule, separate from ordinary income. The first band of that schedule carries a 0% rate, running from the first dollar of long-term gains up through the top of the 0% bracket. For a married couple filing jointly in 2026, that ceiling sits at $98,900 of taxable income. Layer the $32,200 standard deduction underneath it, and a retired couple with modest ordinary income can realize close to $100,000 of qualified gains in a single year and owe $0 in federal income tax on those gains.
The Proof
The rate structure lives in 26 U.S. Code §1(h), which sets the 0%, 15%, and 20% brackets for net capital gain. The 2026 dollar thresholds come from the IRS annual inflation adjustments published in Revenue Procedure 2025-32, released October 9, 2025. The $32,200 married-filing-jointly standard deduction is confirmed there, as is the $98,900 ceiling for the 0% long-term capital gains bracket for joint filers.
Those figures also reflect changes from the One Big Beautiful Bill Act (OBBBA), which made the TCJA’s expanded standard deduction permanent and added a new $6,000 senior deduction for each taxpayer age 65 or older. A couple where both spouses qualify can claim $12,000 total. Available for tax years 2025 through 2028, this deduction can be claimed on top of the standard deduction or itemized deductions, and it phases out for joint filers with modified adjusted gross income above $150,000, disappearing entirely at $250,000.
Who Qualifies, Who Doesn’t
You qualify if you file jointly, your total taxable income (ordinary income plus the gain you’re harvesting) lands at or below $98,900, and the assets you sell have been held longer than one year. Short-term gains do not qualify. Qualified dividends do qualify and share the same 0% bracket. Single filers get a smaller version of the same benefit: a $49,450 ceiling paired with the $16,100 standard deduction.
The people who get shut out are those whose wages, pension income, IRA withdrawals, or taxable Social Security already push taxable income past the $98,900 ceiling before a single share is sold. The arithmetic is unforgiving on that front.
How to Use It in 2026
- Add up your projected 2026 ordinary income: pension, annuity payments, taxable Social Security, IRA and 401(k) withdrawals, interest, and short-term gains.
- Subtract the $32,200 standard deduction, plus the age-65 additional standard deduction of $1,650 per qualifying spouse if applicable, plus any OBBBA senior deduction you’re eligible for, to arrive at taxable ordinary income.
- Find the gap between that number and the $98,900 ceiling. That gap is your tax-free harvest room.
- Sell long-term positions to realize gains up to (not over) that gap. If you still want to own the shares, buy them back the same day. The wash-sale rule blocks loss harvesting, but it does not apply to gains.
- Repeat every year. Each harvest resets your cost basis higher, shrinking the taxable gain your heirs or your future self will eventually face.
The Catch
Four traps trip people up. First, the gain itself counts toward your income for the calculation, so a large sale can push part of the gain out of the 0% band and into the 15% band. Second, realized gains raise your Modified Adjusted Gross Income (MAGI), which can trigger taxation of Social Security benefits and, two years later, IRMAA surcharges on Medicare Parts B and D. Third, states usually don’t honor the federal 0% rate. California, for example, taxes long-term gains as ordinary income. Fourth, joint filers whose MAGI exceeds $250,000 also owe the 3.8% Net Investment Income Tax on top of the capital gains rate, a surtax whose threshold has not been inflation-adjusted since 2013 and catches more households each year.
Run the numbers in December, not April. Brokerages report realized gains for the full calendar year, and the 2.8% Social Security COLA that took effect in January 2026 has already pushed the average retired worker’s monthly benefit to roughly $2,071, up from $2,015 in 2025. That higher check quietly eats into harvest headroom for many retirees. Knowing exactly where you stand before year-end gives you the chance to act while there is still time.
Editor’s note: This pass added the OBBBA senior deduction’s $12,000 total cap for couples where both spouses qualify, included the 3.8% Net Investment Income Tax as a fourth planning risk, and updated the Social Security context with the 2026 average monthly benefit of approximately $2,071 following the 2.8% COLA. The phase-out thresholds for the OBBBA senior deduction were also verified against IRS guidance.
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