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What Is Dollar-Cost Averaging?

Steven Levine, Founder of TickerPosts and OpenClassActions.com1 min readLast reviewed

Dollar-cost averaging is the practice of investing a fixed amount of money at regular intervals. Instead of trying to choose one perfect day to buy, you spread purchases across weeks, months, or paychecks.

A simple example

Imagine you invest $100 every month into the same diversified fund or stock. When the price is lower, your $100 buys more shares. When the price is higher, it buys fewer shares. Over time, your average purchase price reflects many entry points rather than one decision.

This can be helpful for people who are building positions gradually from income. It also reduces the emotional pressure of deciding whether today is the exact right moment.

What dollar-cost averaging can help with

Dollar-cost averaging can support a calmer process:

  • It creates a repeatable schedule.
  • It reduces the temptation to react to every headline.
  • It can help beginners start without waiting forever for a perfect price.
  • It pairs well with long-term saving goals.

The habit can be especially useful when the alternative is no plan at all.

What it cannot promise

Dollar-cost averaging does not promise a profit. If the investment keeps declining because the underlying business is weakening, regular purchases can keep adding exposure to a losing idea. It also does not replace diversification or due diligence.

For a broad fund, dollar-cost averaging is often a planning tool. For a single stock, it deserves more caution because company-specific risks can overwhelm the benefit of a smoother entry price.

Use the method to make your process calmer, not to avoid research.

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