DCA calculator · S&P 500

What if you invest $1,000 every month in S&P 500?

Historical $1,000/month S&P 500 DCA — contributions, portfolio value, blind vs adaptive sizing.

2015-01-022026-08-28

$1000/month · Monthly DCA · S&P 500

Contributed$140,539
Blind DCA value$366,992
Return+161.1%
SteadyGrow value$475,311
vs blind DCA+$108,319
Lump sum (same capital)$635,155
S&P 5002015-01-02 → 2026-08-28 · $1000/month
 +$108,319 vs blind (+29.5%)Ended +29.5%
Blind DCASteadyGrow
$226$122k$244k$367k$489k2015-012017-052019-082021-122024-042026-08

What if your contribution wasn't always the same?

Blind DCA deploys $1000/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.