What if · since 2018 · S&P 500

What if I invested $100 every week in S&P 500 since 2018?

Historical result of $100 weekly S&P 500 DCA starting 2018 — contributions, portfolio value, and SteadyGrow adaptive comparison.

2018-01-052026-08-28

$100/week · Weekly DCA · S&P 500

Contributed$45,200
Blind DCA value$93,936
Return+107.8%
SteadyGrow value$130,602
vs blind DCA+$36,665
Lump sum (same capital)$144,808
S&P 5002018-01-05 → 2026-08-28 · $100/week
 +$36,665 vs blind (+39.0%)Ended +39.0%
Blind DCASteadyGrow
$0$33.5k$67.1k$101k$134k2018-012019-092021-062023-032024-122026-08

What if your contribution wasn't always the same?

Blind DCA deploys $100/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.