Learn · Dollar-cost averaging
How often should you dollar-cost average?
Daily, weekly, or monthly DCA? Why payday cadence matters more than micro-optimization — with weekly and monthly calculators.
Direct answer
DCA as often as your cash arrives — and often enough that you do not skip. Weekly or monthly is enough for most long-term index habits; daily usually adds complexity for little gain.
How often should you dollar-cost average?
As often as your cash arrives — and often enough that you do not skip.
Daily DCA sounds precise and usually adds complexity (and fees at some brokers) for little gain once you already buy weekly or monthly. Monthly is enough for most long-term index habits. Weekly fits paycheck rhythms and SteadyGrow’s model calendar.
Compare cadences: weekly vs monthly DCA.
Should I switch cadence for a tiny backtest edge?
Do not switch from monthly to weekly because a backtest won by 0.3% on one window. Switch if it makes automation easier or stops cash from lingering uninvested.
Does automation matter more than frequency?
Yes. A boring automatic transfer into an index fund on payday beats a perfect theoretical cadence you abandon in month four.
Tools: weekly investment calculator, monthly investment calculator.
What should I read next?
Frequently asked questions
- How often should you dollar-cost average?
- DCA as often as your cash arrives — and often enough that you do not skip. Weekly or monthly is enough for most long-term index habits; daily usually adds complexity for little gain.
- Should I switch cadence for a tiny backtest edge?
- DCA as often as your cash arrives — and often enough that you do not skip. Weekly or monthly is enough for most long-term index habits; daily usually adds complexity for little gain. See the full guide and linked calculators on this page for the historical numbers.
- Does automation matter more than frequency?
- DCA as often as your cash arrives — and often enough that you do not skip. Weekly or monthly is enough for most long-term index habits; daily usually adds complexity for little gain. See the full guide and linked calculators on this page for the historical numbers.
- What should I read next?
- DCA as often as your cash arrives — and often enough that you do not skip. Weekly or monthly is enough for most long-term index habits; daily usually adds complexity for little gain. See the full guide and linked calculators on this page for the historical numbers.
- Can I run this on real market history?
- Yes. Every SteadyGrow DCA guide links to a free historical calculator on published prices since 2015 — not a fixed 7–10% toy rate.
Prefer a question over a definition?
SteadyGrow is built for what-ifs and boring counterfactuals — not just glossary pages. Ask what your money would have done on real history.