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Learn Financial Literacy Taxes on Investing — The Basics
Intermediate 6 min read

Taxes on Investing — The Basics

How capital gains, dividends, and tax-advantaged accounts shape your real returns.

Why Taxes Matter

Two investors both make 10% per year for 30 years on $10,000:

  • Investor A trades constantly, paying short-term gains taxes every year → ends with about $87,000
  • Investor B buys and holds → ends with about $174,000

Same returns. Same starting amount. Taxes alone created a 2x difference.

The Three Types of Investment Income (US)

Type When You Owe Tax Rate (typical)
Ordinary dividends When paid out Your income tax bracket
Qualified dividends When paid out 0% / 15% / 20%
Short-term capital gains When you sell within 1 year Your income tax bracket
Long-term capital gains When you sell after 1+ year 0% / 15% / 20%

The lesson is simple: hold for over a year whenever you can, and you cut your tax bill dramatically.

Tax-Advantaged Accounts

The US gives you legal ways to skip or defer investment taxes entirely. Use them in this order:

  1. 401(k) match — free money from your employer, take it first
  2. Roth IRA — pay tax now, withdraw tax-free in retirement (great if you're young)
  3. Traditional 401(k) / IRA — tax deduction now, pay tax later
  4. HSA (Health Savings Account) — triple tax-advantaged if you have a qualifying health plan
  5. Taxable brokerage — no special perks, but no contribution limits

Most people should max #1 and #2 before doing anything else.

Tax-Loss Harvesting

If an investment in a taxable account is down, you can sell it to "harvest" the loss. That loss offsets other gains and up to $3,000 of regular income per year. The unused portion carries forward.

You can buy a similar (but not "substantially identical") investment immediately to keep your exposure. Watch out for the wash-sale rule: rebuying the same security within 30 days disallows the loss.

The IRS doesn't reward day-trading. It rewards patience — which, conveniently, is also what builds the most wealth.

This is general education, not tax advice. Rules differ by country and personal situation. Consult a tax professional.

Key Terms

Capital Gain — Profit from selling an investment for more than you paid.
Short-Term Capital Gain — Gain on an investment held one year or less. Taxed as ordinary income.
Long-Term Capital Gain — Gain on an investment held more than one year. Taxed at lower rates (0%, 15%, or 20% in the US).
Tax-Advantaged Account — An account like a 401(k), IRA, or Roth IRA that gets special tax treatment to encourage long-term saving.
Not financial advice. This lesson is educational content designed for use within Fantasy Stock League. It is not an investment recommendation or a solicitation to buy or sell any security. Always do your own research and consult a licensed financial professional before making real investment decisions.

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