Dollar-cost averaging is a schedule, not a crystal ball

Dollar-cost averaging is a calendar trick, not a forecast. Fidelity’s explainer says you invest the same dollar amount on a regular clock, so a lower price buys more shares and a higher price buys fewer.

In Fidelity’s teaching example, $5,000 spread across falling prices can land more shares than a single lump at the first print — 253.4 shares versus 250. That is arithmetic, not a promise you will beat a lump sum.

The useful part is psychology and payroll. A 401(k) contribution taken every paycheck is dollar-cost averaging with the decision already made. You are less likely to wait for a perfect day.

It still does not guarantee a better result than investing all at once, and it is not a shield against a falling market. This is education, not a recommendation.