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DCA Calculator

Model dollar-cost averaging returns. See how consistent monthly investing compounds over time.

Parameters

$
years
%
$
Estimated Future Value
$294,510.21
Total Invested
$120,000.00
Investment Earnings
$174,510.21
Total Growth
145.4%

Portfolio Growth Over Time

Portfolio Value Total Invested

Breakdown

Monthly Contributions:$120,000
Investment Earnings:$174,510

Dollar Cost Averaging in the AI Era

The Volatility Reality

AI stocks and the broader tech sector experience massive swings. DCA is one of the best behavioral tools for staying invested through drawdowns (like 2022) while still participating in the upside.

Why DCA Wins for Most People

While lump sum beats DCA mathematically ~2/3 of the time, the emotional cost of being wrong at the worst possible moment is extremely high. DCA dramatically increases the probability that you stay in the market long enough for compounding to work.

Practical Tips for AI/Tech Investors

  • Set it and forget it: Automate transfers on payday.
  • Increase during dips: When the market (or specific AI names) are down 30-50%, consider temporarily increasing your monthly amount.
  • Focus on quality businesses: DCA works best when applied to high-quality companies you want to own for 10+ years.
  • Review annually: Not to time the market, but to make sure your monthly amount still matches your financial situation.

DCA vs. Lump Sum Investing

Academic research shows that lump-sum investing outperforms DCA roughly two-thirds of the time, because markets tend to rise over time. However, DCA offers meaningful benefits: lower emotional stress, protection against buying at peaks, and the discipline of regular saving. For most people who invest from their paycheck, DCA is the natural approach.

The Power of Consistency

Investing $500 per month at a 10% annual return over 30 years produces over $1.1 million. Your total contributions of $180,000 make up less than 17% of the final balance. The other 83% is pure compound growth — the reward for staying consistent through every market cycle.

Best Practices

  • Automate transfers on payday so you invest before you spend.
  • Stay invested during downturns — market drops are when DCA works hardest for you.
  • Use low-cost index funds — an S&P 500 fund with a 0.03% expense ratio keeps virtually all your money working.
  • Increase contributions with raises — even an extra $50/month each year makes a big difference over decades.