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Dollar-cost averaging

By Jarosław Wasiński • Published: • Updated:
Investing a fixed cash amount at regular intervals regardless of whether the price has risen or fallen. It buys more units at lower prices and fewer at higher prices. DCA is not the same as adding only to a losing position, and it neither guarantees a profit nor removes the risk of the underlying investment.
Example. Illustrative, before fees: investing $100 at a price of $10 buys 10 units; another $100 at $5 buys 20. Total cost is $200 for 30 units, or $6.67 per unit. If the price remains $5, their value is $150: regular buying has not prevented a loss.

DCA is not averaging down

DCA uses a calendar and cash amount chosen in advance. Adding only because an existing trade is losing is a different decision. Doubling a leveraged position after losses is not made safe by calling it DCA.

Limits of the method

Regular purchases spread entry dates, not the underlying investment risk. Fees, cash availability and the investment horizon still matter. The example is arithmetic, not a recommendation to buy an asset.

Reference: SEC Investor.gov: dollar-cost averaging. Checked 8 September 2026; verify later changes before relying on jurisdiction-specific rules.

Cash amount versus contract risk

DCA describes purchase scheduling and cash amount, not leverage protection. Buying an asset with available cash, holding a futures contract and using a CFD have different notional, margin and financing mechanics. Identical recurring deposits do not create identical instrument risk. Match records and assumptions to the actual arrangement.

FAQ

Does a lower average purchase price remove a loss?
No. The units can still be worth less than total cost, and price can fall further.
Does “dollar-cost” require a USD account?
No. A fixed amount in another currency can be used; the name defines no residency or tax jurisdiction.

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Jarosław Wasiński

Editor-in-chief, ForexMechanics.com • Macro & FX analyst

Independent analyst and practitioner with over 20 years of experience in financial markets. Actively involved in Forex since 2007, with a focus on fundamental analysis, OTC market structure, and disciplined capital risk management.

  • Creator and editor-in-chief of MyBank.pl, providing reliable financial education since 2004.
  • Author of hundreds of in-depth market commentaries, structural analyses, and educational materials for traders and investors.
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All content is educational and informational only – it does not constitute investment advice or a recommendation. Remember: leveraged trading (Forex/CFD) carries a high risk of rapid capital loss.