DCA calculator · S&P 500
$250/month into the S&P 500
See what $250 monthly S&P 500 DCA would have been worth historically — then compare adaptive sizing.
2015-01-02 → 2026-08-28
$250/month · Monthly DCA · S&P 500
Contributed$35,133
Blind DCA value$91,744
Return+161.1%
SteadyGrow value$118,823
vs blind DCA+$27,079
Lump sum (same capital)$158,782
S&P 5002015-01-02 → 2026-08-28 · $250/month
+$27,079 vs blind (+29.5%)Ended +29.5%
Blind DCASteadyGrow
What if your contribution wasn't always the same?
Blind DCA deploys $250/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.