DCA calculator · S&P 500

What if you invest $100 every week in S&P 500?

Historical result of investing $100 every week in S&P 500 — total contributions, ending value, and SteadyGrow adaptive sizing.

2015-01-022026-08-28

$100/week · Weekly DCA · S&P 500

Contributed$60,900
Blind DCA value$159,029
Return+161.1%
SteadyGrow value$205,968
vs blind DCA+$46,938
Lump sum (same capital)$275,233
S&P 5002015-01-02 → 2026-08-28 · $100/week
 +$46,938 vs blind (+29.5%)Ended +29.5%
Blind DCASteadyGrow
$98$53k$106k$159k$212k2015-012017-052019-082021-122024-042026-08

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.