Short-Term Capital Gains Tax
What Is Short-Term Capital Gains Tax?
Short-term capital gains tax is the levy applied to profits from the sale of assets held for one year or less. These gains are taxed as ordinary income, meaning they are subject to your standard federal income tax bracket.
The short-term capital gains tax is simply income tax applied to investment profits. The U.S. tax code incentivizes long-term investment by offering lower tax rates for assets held for more than a year. Conversely, it treats "speculative" or short-term trading profits just like a paycheck. If you buy a stock in January and sell it for a profit in November, that profit is added to your total income for the year. It sits right on top of your salary, potentially pushing you into a higher tax bracket. Unlike long-term gains, which cap out at 20% for most high earners, short-term gains are taxed at marginal rates up to 37%. This tax applies to almost all capital assets, including stocks, bonds, mutual funds, real estate (unless it's your primary residence and meets exclusion rules), and cryptocurrencies.
Key Takeaways
- Short-term capital gains tax applies to profits from assets sold within one year of purchase.
- The tax rate is the same as your ordinary income tax rate (wages, salary, interest).
- Rates currently range from 10% to 37%, depending on your total taxable income.
- This is generally higher than the long-term capital gains tax rate.
- State taxes may also apply, further increasing the total tax burden.
Current Federal Tax Brackets (2025 Estimate)
Since short-term gains are taxed as ordinary income, your rate depends on your bracket:
- 10%: Income up to ~$11,600 (Single)
- 12%: Income up to ~$47,150
- 22%: Income up to ~$100,525
- 24%: Income up to ~$191,950
- 32%: Income up to ~$243,725
- 35%: Income up to ~$609,350
- 37%: Income above ~$609,350
Calculating Your Tax Liability
To figure out what you owe, you don't just apply one rate to all your gains. The US uses a progressive tax system. 1. **Calculate Net Short-Term Gain:** Total Short-Term Gains - Total Short-Term Losses. 2. **Add to Income:** Add this net gain to your other income (wages, etc.). 3. **Apply Brackets:** The income fills up the tax brackets. The last dollar earned is taxed at your marginal rate. Note: An additional 3.8% Net Investment Income Tax (NIIT) may apply to high earners (MAGI > $200k for singles).
Real-World Example: Tax Impact
Sarah earns $90,000 a year from her job. She actively trades stocks and made $20,000 in short-term profits this year. Total Taxable Income: $110,000. Filing Status: Single.
Strategies to Minimize the Tax
* **Hold for > 1 Year:** The simplest way to cut your tax bill in half. * **Tax-Loss Harvesting:** Sell losing positions to offset your gains. Up to $3,000 of net capital losses can also offset ordinary income. * **Use Tax-Advantaged Accounts:** Trade in an IRA or 401(k) where gains are tax-deferred or tax-free.
FAQs
No. You report the gains and pay the tax when you file your annual tax return (usually by April 15th of the following year). However, if your gains are significant, you may need to pay estimated quarterly taxes to avoid underpayment penalties.
Most states tax capital gains as ordinary income, just like the federal government. Some states (like California) have high income tax rates (up to 13.3%), meaning your combined federal and state tax bill on short-term gains could exceed 50%.
Generally, no. Day trading profits are short-term capital gains. However, professional traders who qualify for "Trader Tax Status" (TTS) can elect Mark-to-Market accounting, which treats gains as ordinary business income and exempts them from the wash sale rule, though they still pay ordinary income rates.
If your short-term losses exceed your short-term gains, you have a net capital loss. You can use this to offset long-term gains. If you still have a loss, you can deduct up to $3,000 from your ordinary income. Any remaining loss carries over to future years.
No. The 0% rate is a preferential rate for long-term capital gains for low-income earners. Short-term gains are always taxed at ordinary income rates, starting at 10%.
The Bottom Line
Short-term capital gains tax is a significant cost for active traders and short-term investors. By treating investment profits as ordinary wages, the tax code places a premium on liquidity and speed. While taxes should never be the sole driver of investment decisions, ignoring them is perilous. A profitable trade can become mediocre after a 35% tax haircut. Understanding your marginal tax bracket and utilizing strategies like holding periods and tax-loss harvesting can help you keep more of what you earn.
Related Terms
More in Tax Planning
At a Glance
Key Takeaways
- Short-term capital gains tax applies to profits from assets sold within one year of purchase.
- The tax rate is the same as your ordinary income tax rate (wages, salary, interest).
- Rates currently range from 10% to 37%, depending on your total taxable income.
- This is generally higher than the long-term capital gains tax rate.