Should You File Taxes by April 15, 2026?

Updated June 21, 2026

You can legally sell a stock that gained $63,350,, and owe zero federal income tax. Sounds too good to be true, right? There's a catch. That number only works if you had zero other income in 2025. No wages. No interest. No rental checks. So for most working people, the full amount is off the table. But the underlying strategies still work — and they could save you thousands. Here are five moves to make before April 15, 2026, to shrink your tax bill on your 2025 return.

Key Takeaways

• Single filers with low or no other income can shelter up to $63,350 in long-term capital gains from federal tax by stacking the zero-percent bracket with the standard deduction. - IRA and Health Savings Account (HSA) contributions made before April 15, 2026, still count for 2025 — reducing your taxable income dollar for dollar. - Tax-loss harvesting lets you offset gains and deduct up to $3,000 against ordinary income, but the wash-sale rule can disqualify your losses if you're not careful. - Excess Roth IRA contributions trigger a 6% penalty every year until you fix them — recharacterize before the deadline.

This is informational content, not financial advice. Consult a qualified tax professional before making decisions based on your specific situation.

Recommended reading: Tax-Loss Harvesting

1. Use the Zero-Percent Capital Gains Bracket

Here's how this works. The Internal Revenue Service (IRS) taxes long-term capital gains — that's profits on assets you held longer than a year — at zero percent for single filers with taxable income up to $48,350 in 2025. Stack the $15,000 standard deduction on top. That gives you $63,350 in total income before you owe a dime in federal tax on those gains.

So what does that look like in practice?

Say you're between jobs. You have a stock with $55,000 in gains. You sell it. The $48,350 zero-percent bracket covers most of your gain. The standard deduction absorbs the rest. Your federal tax bill? Zero.

But here's the thing — this only works if your total taxable income stays under that threshold. Got a part-time gig paying $30,000? Now your gains stack on top of that income, and some of them get taxed at 15%.

Even if you can't shelter the full amount, there's a bonus move here. Selling resets your cost basis. That means future gains are calculated from today's higher price, not what you originally paid. You're reducing your tax bill down the road, too.

One more thing to watch: There's another number to watch: your Modified Adjusted Gross Income, or MAGI. That's your adjusted gross income with certain deductions added back. If your MAGI exceeds $200,000 as a single filer, you'll also trigger the 3.8% net investment income tax (IRC §1411). So run your numbers carefully. For related context, see 401(k) Catch-Up Limits Just Changed: What to Do.

2. Maximize Tax-Advantaged Accounts to Shrink Your Income

This one is straightforward, and you can still do it. Contributions to a Traditional Individual Retirement Account (IRA) and an HSA for the 2025 tax year are due by April 15, 2026. That means you've still got time.

IRA limits for 2025: $7,000 if you're under 50, $8,000 if you're 50 or older. Every dollar you put into a Traditional IRA reduces your taxable income by that same dollar.

Quick example. You earned $85,000 in 2025. You contribute $7,000 to a Traditional IRA before the deadline. Your taxable income drops to $78,000. At the 22% bracket, that's roughly $1,540 back in your pocket.

Now, HSAs are even better. The 2025 limits are $4,300 for self-only coverage and $8,550 for family coverage. HSA contributions are triple tax-advantaged. Your money goes in pre-tax. It grows tax-free. And you withdraw it tax-free for qualified medical expenses. No other account in the tax code does all three.

So which should you prioritize? If you have a high-deductible health plan and expect medical costs in retirement, the HSA wins. You're getting a tax break now and tax-free spending later. That's hard to beat.

3. Offset Gains With Tax-Loss Harvesting

Not in the zero-percent bracket? This one's for you.

Tax-loss harvesting means selling investments that lost value to offset your gains. And if your losses exceed your gains, you can deduct up to $3,000 against ordinary income — your salary, freelance earnings, whatever.

Here's a real scenario. You made $15,000 on Bitcoin in 2025. Nice. But you're also sitting on a stock that's down $5,000. Sell it. That $5,000 loss cancels out $5,000 of your crypto gains. Now you only owe taxes on $10,000 instead of $15,000.

You can also deduct an additional $3,000 of those losses against your $85,000 salary, dropping your taxable income to $82,000. Any leftover losses carry forward to future years — they don't expire.

But watch the wash-sale rule. If you sell a losing investment and buy a "substantially identical" security within 30 days — before or after the sale — the IRS disallows the loss entirely. Switching from one S&P 500 index fund to another could trigger it. Switching from Apple to Microsoft generally won't, since they're different companies. But if you're unsure, ask your tax advisor before making the trade.

Market volatility in early 2026 created fresh opportunities here (S&P 500 data via FRED, Q1 2026). Check your portfolio for positions sitting at a loss — they might be worth more to you sold than held.

4. Bunch Charitable Donations to Itemize

Here's a question for you. Do your total deductions actually beat the standard deduction? For 2025, that's $15,000 for single filers. If your mortgage interest, state taxes, and charitable giving don't clear that bar, you're taking the standard deduction — and your donations aren't saving you anything on taxes.

The fix is bunching. Concentrate two or three years of charitable giving into a single year to push past the standard deduction threshold.

Example. You normally give $8,000 a year to charity. That's not enough to itemize on its own. But if you front-load and donate $20,000 in 2025, your itemized deductions clear the $15,000 standard deduction. You save on taxes this year. Then in 2026 and 2027, you take the standard deduction.

If you want to get strategic about it, look into a Donor-Advised Fund (DAF). You contribute a lump sum, get the tax deduction immediately, and then distribute the money to your chosen charities over time. Your favorite nonprofits still get their annual support — you just take the tax benefit all at once.

5. Fix Excess Roth IRA Contributions Before the Deadline

This one catches people every year. Roth IRAs have income limits. For single filers in 2025, your contributions start phasing out at $150,000 in MAGI and are fully eliminated at $165,000 (IRS Notice 2024-80).

So what happens if you contributed $7,000 to your Roth but earned $160,000? You weren't eligible for the full contribution. And the IRS charges a 6% excise tax on excess contributions — every year until you fix it.

On $7,000, that's $420 a year. Not catastrophic. But it adds up, and it's completely avoidable.

The fix: contact your IRA custodian and recharacterize the excess contribution as a Traditional IRA contribution before April 15, 2026. The money stays invested. You just change the account type. Your custodian handles the paperwork — most can do it in a single phone call.

If you're above the Roth income limit and still want Roth benefits, ask your advisor about a backdoor Roth conversion. That's a separate strategy with its own rules, but it's a common workaround.

Tax Move Decision Tree — What Works at Your Income Level

So which moves matter most at your income level? If you're under 48K, the zero-percent bracket is your best friend — pair it with a $7,000 IRA contribution and you could shelter tens of thousands. Earning between 50 and 85K? Your IRA and tax-loss harvesting could save you over $4,500 combined (calculated from IRS 2025 tax rate schedules). Between 85 and 125K, the HSA and donation bunching give you the biggest bang. Above 125K, tax-loss harvesting becomes your main lever. And if you're over 175K, make sure your Roth contributions are squared away — that 6% penalty adds up fast.

If you haven't filed yet, E-file.com is a straightforward option for getting your return done online — currently offering a discount for early filers.

Check your credit score for free — E-file.com

One more thing before you go. If you underpaid estimated taxes in 2025, fix that before April 15 too. The IRS charges an underpayment penalty based on the federal short-term interest rate — currently running around 7% annualized for the first quarter of 2026 — confirm the current quarter's rate at irs.gov before filing, as it adjusts quarterly. That rate changes quarterly, so don't assume it'll stay the same. To avoid the penalty, you need to have paid either 90% of your 2025 tax liability or 100% of your 2024 taxes — 110% if your adjusted gross income was over $150,000.

Updated March 27, 2026: Corrected 2026 IRS contribution limits.

Found an error? At Canopy Press, accuracy comes first. If you spot a claim that needs checking, let us know at [email protected] — we'll verify and correct it immediately.

Sources

• Internal Revenue Service (IRS)
• S&P Global
• HSA
• IRA
• DAF