DCA calculator · S&P 500
$250 weekly into the S&P 500
Calculate historical results of investing $250 every week in the S&P 500, vs adaptive contribution sizing.
2015-01-02 → 2026-08-28
$250/week · Weekly DCA · S&P 500
Contributed$152,250
Blind DCA value$397,573
Return+161.1%
SteadyGrow value$514,919
vs blind DCA+$117,346
Lump sum (same capital)$688,082
S&P 5002015-01-02 → 2026-08-28 · $250/week
+$117,346 vs blind (+29.5%)Ended +29.5%
Blind DCASteadyGrow
What if your contribution wasn't always the same?
Blind DCA deploys $250/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.