Simple definition
A short-term capital gain is the profit you make on an investment you held for one year or less before selling. It's generally taxed at your ordinary income rate — the same rates as your paycheck — which tends to be higher. Think of it as a quick flip the tax code treats like regular earnings.
Why it matters
Whether a gain is short-term or long-term can meaningfully change your tax bill. Short-term gains are generally taxed at higher ordinary income rates, so selling too soon can quietly cost you. Knowing the one-year line helps you weigh the tax hit before you sell a winner.
Real-life example
Suppose you buy a stock and sell it eight months later for a $1,000 profit. Because you held it a year or less, that's a short-term capital gain, generally taxed at your ordinary income rate. Wait past a year and it could be taxed more gently. These are rounded, made-up figures.
Common mistakes
- Selling just before the one-year mark and turning a lower-taxed gain into a higher-taxed one.
- Assuming all investment profits are taxed at the same, lower rate.
- Forgetting that the holding period starts the day after you buy.
- Overlooking the tax cost of frequent trading, which racks up short-term gains.
Pro tips
- Check your purchase date before selling to see if you're near the one-year line.
- Where it fits your plan, holding past a year can shift a gain to lower long-term rates.
- Remember frequent trading tends to generate higher-taxed short-term gains.
- Ask a CPA how a short-term gain lands in your specific bracket.
Related Money Dictionary terms
- Long-Term Capital GainProfit on an investment held longer than a year, usually taxed at lower rates than short-term gains.
- Capital GainThe profit you make when you sell an investment for more than you paid for it.
- Capital Gains TaxThe tax you owe on the profit from selling an investment for more than you paid.
- Cost BasisThe original amount you paid for an investment, used to figure out your taxable gain or loss when you sell.
- Holding PeriodHow long you own an investment before selling, which determines whether gains are taxed as short or long term.
- Taxable AccountA standard investment account with no special tax breaks, where gains and dividends are taxed each year.
Frequently asked questions
What makes a gain short-term instead of long-term?
It's how long you owned the investment. Hold it one year or less and any profit is a short-term capital gain; hold it longer than a year and it's long-term. That single distinction matters because short-term gains are generally taxed at higher ordinary income rates, while long-term gains usually get lower rates.
Why are short-term gains taxed more than long-term ones?
The tax code rewards longer-term investing by taxing gains on assets held more than a year at generally lower rates. Short-term gains, on assets held a year or less, are treated like ordinary income and taxed at those higher rates. The exact rates aren't fixed here — they depend on current law and your income.
Does holding one extra day change my tax rate?
It can. The line is one year: hold an asset a year or less and the gain is short-term; hold it longer than a year and it becomes long-term, generally taxed at lower rates. Because the counting rules have specifics, confirm your exact purchase and sale dates, and check with a tax professional before relying on the timing.
Knowing what Short-Term Capital Gain means is knowledge — the first half. A brick gets placed when you act on it: before selling a profitable investment, check how long you've held it and note whether crossing the one-year mark would lower the tax on the gain.
Also builds: Investing
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Plain-English education — not personalized legal, tax, or investment advice.