DCA calculator · S&P 500
$50 weekly into the S&P 500
Calculate historical results of investing $50 every week in the S&P 500, vs adaptive contribution sizing.
2015-01-02 → 2026-08-28
$50/week · Weekly DCA · S&P 500
Contributed$30,450
Blind DCA value$79,515
Return+161.1%
SteadyGrow value$102,984
vs blind DCA+$23,469
Lump sum (same capital)$137,616
S&P 5002015-01-02 → 2026-08-28 · $50/week
+$23,469 vs blind (+29.5%)Ended +29.5%
Blind DCASteadyGrow
What if your contribution wasn't always the same?
Blind DCA deploys $50/week 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.