What if · since 2018 · S&P 500
What if I invested $500 every month in S&P 500 since 2018?
How much would $500 monthly into S&P 500 since 2018 be worth? Blind DCA vs adaptive contributions.
2018-01-05 → 2026-08-28
$500/month · Monthly DCA · S&P 500
Contributed$52,152
Blind DCA value$108,384
Return+107.8%
SteadyGrow value$150,688
vs blind DCA+$42,304
Lump sum (same capital)$167,079
S&P 5002018-01-05 → 2026-08-28 · $500/month
+$42,304 vs blind (+39.0%)Ended +39.0%
Blind DCASteadyGrow
What if your contribution wasn't always the same?
Blind DCA deploys $500/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.