Frequency comparison
Weekly vs monthly DCA
Same annual capital, different cadence — historical S&P 500 results side by side.
| Contribution | Weekly ending | ≈ Monthly ending |
|---|---|---|
| $100/wk ≈ $433/mo (2015-01-02 → 2026-09-04) | $117,563 | $117,469 |
| $250/wk ≈ $1083/mo (2015-01-02 → 2026-09-04) | $293,908 | $293,813 |
| $500/wk ≈ $2167/mo (2015-01-02 → 2026-09-04) | $587,815 | $587,909 |
Matched capital uses 115≈ weekly equivalent math (monthly × 12 / 52). Frequency alone rarely dominates ending value compared with how long you stay invested.
Pick an amount and see the history
Weekly vs monthly is a small difference compared with how long you stay invested. Run a concrete habit on published prices.