DCA history · S&P 500

S&P 500 DCA since 2005: $100 weekly

Investing $100 every week into S&P 500 since 1 January 2005 (1,138 buys, $113,800 in total) would be worth $452,349 today (+297.49%).

Backtest 1 January 2005 to 22 October 2026 · USD · no fees · live price. Change the amount, dates or fees →

Dollar-cost averaging

$452,349

+297.49% · +11.25%/yr

Invested
$113,800.00
Buys
1,138
Average cost
$1,932.12

Lump sum, day one

Winner

$721,164

+533.71%

Invested
$113,800.00
Bought at
$1,211.92
Max drawdown
56.78%

Perfect timing (hindsight)

$1,291,876

+1035.22%

Bought on
9 Mar 2009
At a price of
$676.53
Not a plan you could follow

How it would have felt

Over this period the plan was worth less than the money you’d put in on 13% of days, with the longest unbroken stretch lasting 658 days (to 8 Apr 2010). The worst moment was 9 Mar 2009, when it was down 45.9% on what had been invested. It has been in profit continuously since 29 Nov 2011. The average cost per unit was $1,932.12 against a price today of $7,680.08 (+297.49%). The cheapest buy was $683.38 on 7 Mar 2009 and the priciest $7,811.54 on 10 Oct 2026.

Year by year

As ofInvestedWorthReturn
31 Dec 2005$5,300$5,481+3.42%
31 Dec 2006$10,500$11,860+12.95%
31 Dec 2007$15,700$17,452+11.16%
31 Dec 2008$20,900$14,699-29.67%
31 Dec 2009$26,100$24,364-6.65%
31 Dec 2010$31,300$33,245+6.22%
31 Dec 2011$36,600$38,515+5.23%
31 Dec 2012$41,800$49,058+17.36%
31 Dec 2013$47,000$69,442+47.75%
31 Dec 2014$52,200$82,905+58.82%
31 Dec 2015$57,400$87,464+52.38%
31 Dec 2016$62,700$101,484+61.86%
31 Dec 2017$67,900$126,874+86.85%
31 Dec 2018$73,100$123,719+69.25%
31 Dec 2019$78,300$165,221+111.01%
31 Dec 2020$83,500$198,231+137.40%
31 Dec 2021$88,700$257,380+190.17%
31 Dec 2022$94,000$212,323+125.88%
31 Dec 2023$99,200$269,566+171.74%
31 Dec 2024$104,400$338,053+223.81%
31 Dec 2025$109,600$399,224+264.26%
22 Oct 2026$113,800$452,349+297.49%

Try a different start

Weekly $100 into S&P 500, by start year:

Does the start year really matter? Best and worst time to start DCA or DCA vs lump sum, tested on every start month.

Same plan every month instead →

Frequently asked questions

How much would $100 every week in S&P 500 since 2005 be worth today?
Investing $100 every week into S&P 500 since 1 January 2005 (1,138 buys, $113,800 in total) would be worth $452,349 today (+297.49%).
Was DCA better than a lump sum for S&P 500 since 2005?
Investing the same $113,800 in one go on 1 January 2005 would be worth $721,164 today (+533.71%), so putting it all in on day one came out ahead over this particular period. Which wins depends heavily on the start date.
How long was S&P 500 DCA underwater since 2005?
The plan was worth less than the money invested on 13% of days, with the longest stretch lasting 658 days (ending 8 Apr 2010).
A historical simulation, not financial advice. Past performance does not predict future results; the value of investments can fall as well as rise. Figures use daily closing prices (trading days carried forward over weekends and holidays) with a live quote for today, USD, and no fees. This is the price index, which excludes dividends; see the total return version for dividends reinvested.