DCA calculator · S&P 500

What if you invest $500 every month in S&P 500?

Historical $500/month S&P 500 DCA — contributions, portfolio value, blind vs adaptive sizing.

2015-01-022026-08-28

$500/month · Monthly DCA · S&P 500

Contributed$70,266
Blind DCA value$183,488
Return+161.1%
SteadyGrow value$237,645
vs blind DCA+$54,157
Lump sum (same capital)$317,564
S&P 5002015-01-02 → 2026-08-28 · $500/month
 +$54,157 vs blind (+29.5%)Ended +29.5%
Blind DCASteadyGrow
$113$61.2k$122k$183k$244k2015-012017-052019-082021-122024-042026-08

What if your contribution wasn't always the same?

Blind DCA deploys $500/month every period. SteadyGrow keeps the same long-term habit but sizes weeks from valuation and regime — more when markets are cheap, less when they're stretched.