DCA history · S&P 500

S&P 500 DCA since 2005: $100 monthly

Investing $100 every month into S&P 500 since 1 January 2005 (262 buys, $26,200 in total) would be worth $104,239 today (+297.86%).

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

Dollar-cost averaging

$104,239

+297.86% · +11.24%/yr

Invested
$26,200.00
Buys
262
Average cost
$1,930.13

Lump sum, day one

Winner

$166,013

+533.64%

Invested
$26,200.00
Bought at
$1,211.92
Max drawdown
56.78%

Perfect timing (hindsight)

$297,392

+1035.08%

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 13.3% 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 46.0% on what had been invested. It has been in profit continuously since 30 Nov 2011. The average cost per unit was $1,930.13 against a price today of $7,679.18 (+297.86%). The cheapest buy was $735.09 on 1 Mar 2009 and the priciest $7,666.45 on 1 Oct 2026.

Year by year

As ofInvestedWorthReturn
31 Dec 2005$1,200$1,241+3.42%
31 Dec 2006$2,400$2,716+13.15%
31 Dec 2007$3,600$4,008+11.32%
31 Dec 2008$4,800$3,348-30.25%
31 Dec 2009$6,000$5,588-6.87%
31 Dec 2010$7,200$7,647+6.20%
31 Dec 2011$8,400$8,833+5.15%
31 Dec 2012$9,600$11,265+17.34%
31 Dec 2013$10,800$15,974+47.91%
31 Dec 2014$12,000$19,079+58.99%
31 Dec 2015$13,200$20,136+52.55%
31 Dec 2016$14,400$23,341+62.09%
31 Dec 2017$15,600$29,195+87.15%
31 Dec 2018$16,800$28,467+69.45%
31 Dec 2019$18,000$38,038+111.32%
31 Dec 2020$19,200$45,661+137.82%
31 Dec 2021$20,400$59,304+190.71%
31 Dec 2022$21,600$48,890+126.34%
31 Dec 2023$22,800$62,085+172.30%
31 Dec 2024$24,000$77,878+224.49%
31 Dec 2025$25,200$91,974+264.97%
22 Oct 2026$26,200$104,239+297.86%

Try a different start

Monthly $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 week instead →

Frequently asked questions

How much would $100 every month in S&P 500 since 2005 be worth today?
Investing $100 every month into S&P 500 since 1 January 2005 (262 buys, $26,200 in total) would be worth $104,239 today (+297.86%).
Was DCA better than a lump sum for S&P 500 since 2005?
Investing the same $26,200 in one go on 1 January 2005 would be worth $166,013 today (+533.64%), 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 13.3% 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.