What if · since 2017 · S&P 500

What if I invested $1,000 every month in S&P 500 since 2017?

How much would $1,000 monthly into S&P 500 since 2017 be worth? Blind DCA vs adaptive contributions.

2017-01-062026-08-28

$1000/month · Monthly DCA · S&P 500

Contributed$116,308
Blind DCA value$260,281
Return+123.8%
SteadyGrow value$308,075
vs blind DCA+$47,795
Lump sum (same capital)$457,040
S&P 5002017-01-06 → 2026-08-28 · $1000/month
 +$47,795 vs blind (+18.4%)Ended +18.4%
Blind DCASteadyGrow
$0$79.1k$158k$237k$317k2017-012018-122020-112022-102024-092026-08

What if your contribution wasn't always the same?

Blind DCA deploys $1000/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.