DCA calculator · S&P 500

$1,000 weekly into the S&P 500

Calculate historical results of investing $1,000 every week in the S&P 500, vs adaptive contribution sizing.

2015-01-022026-08-28

$1000/week · Weekly DCA · S&P 500

Contributed$609,000
Blind DCA value$1,590,291
Return+161.1%
SteadyGrow value$2,059,675
vs blind DCA+$469,384
Lump sum (same capital)$2,752,328
S&P 5002015-01-02 → 2026-08-28 · $1000/week
 +$469,384 vs blind (+29.5%)Ended +29.5%
Blind DCASteadyGrow
$980$530k$1.06M$1.59M$2.12M2015-012017-052019-082021-122024-042026-08

What if your contribution wasn't always the same?

Blind DCA deploys $1000/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.