What if · since 2017 · S&P 500
What if I invested $250 every month in S&P 500 since 2017?
How much would $250 monthly into S&P 500 since 2017 be worth? Blind DCA vs adaptive contributions.
2017-01-06 → 2026-08-28
$250/month · Monthly DCA · S&P 500
Contributed$29,076
Blind DCA value$65,067
Return+123.8%
SteadyGrow value$77,016
vs blind DCA+$11,948
Lump sum (same capital)$114,255
S&P 5002017-01-06 → 2026-08-28 · $250/month
+$11,948 vs blind (+18.4%)Ended +18.4%
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.