DCA calculator · S&P 500
$1,000/month into the S&P 500
See what $1,000 monthly S&P 500 DCA would have been worth historically — then compare adaptive sizing.
2015-01-02 → 2026-08-28
$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
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.