What if · since 2018 · S&P 500
What if I invested $250 every month in S&P 500 since 2018?
How much would $250 monthly into S&P 500 since 2018 be worth? Blind DCA vs adaptive contributions.
2018-01-05 → 2026-08-28
$250/month · Monthly DCA · S&P 500
Contributed$26,076
Blind DCA value$54,192
Return+107.8%
SteadyGrow value$75,344
vs blind DCA+$21,152
Lump sum (same capital)$83,540
S&P 5002018-01-05 → 2026-08-28 · $250/month
+$21,152 vs blind (+39.0%)Ended +39.0%
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.