Lump sum investing can yield higher returns but requires a large upfront amount. DCA spreads investments over time, reducing volatility risk and making it easier to stay consistent.
What Is Dollar Cost Averaging (DCA)?
Dollar Cost Averaging (DCA) is the strategy of investing a fixed amount on a regular schedule, regardless of where the market is. Instead of trying to time the market, you let the schedule do the work — automatically buying more shares when prices are low and fewer when prices are high.
📅 Example: Investing ₩500,000 every month for 20 years — whether the market rises or falls.
DCA vs. Lump-Sum: Which Is Better?
In a market that rises consistently, lump-sum investing almost always wins on the math, because more capital is exposed to growth from day one. The catch: most people don't have a lump sum sitting in cash, and even those who do face real psychological pressure and timing risk when deploying it all at once.
When DCA Wins
In volatile or declining markets, DCA outperforms lump-sum. You accumulate more shares during dips, which lowers your average cost and amplifies gains during the recovery.
The Real Edge: Consistency
DCA's biggest benefit isn't mathematical — it's behavioral. Automating a fixed monthly contribution removes emotional decision-making, so you keep buying through downturns when most investors panic and stop.
3 Core Advantages of DCA
No lump sum required: Start with whatever you can spare each month. Small and consistent beats large and sporadic.
Psychological stability: The "is now a good time to invest?" question disappears. The schedule decides for you.
Automatic averaging: Your average cost per share naturally smooths out over time — no market timing required.
Who Is DCA Best For?
Salaried workers who want to invest a portion of every monthly paycheck on autopilot.
Investors who want to escape the psychological burden of timing the market.
Long-term holders of index funds or ETFs who plan to ride out full market cycles.
* This calculator assumes a fixed annual return. Real markets fluctuate, and past performance does not guarantee future results.
