DCA history · S&P 500

S&P 500 DCA since 2008: $100 weekly

Investing $100 every week into S&P 500 since 1 January 2008 (982 buys, $98,200 in total) would be worth $361,272 today (+267.89%).

Backtest 1 January 2008 to 22 October 2026 · USD · no fees · live price. Change the amount, dates or fees →

Dollar-cost averaging

$361,272

+267.89% · +12.47%/yr

Invested
$98,200.00
Buys
982
Average cost
$2,087.58

Lump sum, day one

Winner

$513,623

+423.04%

Invested
$98,200.00
Bought at
$1,468.36
Max drawdown
53.93%

Perfect timing (hindsight)

$1,114,783

+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 8.4% of days, with the longest unbroken stretch lasting 461 days (to 9 Sept 2009). The worst moment was 20 Nov 2008, when it was down 39.7% on what had been invested. It has been in profit continuously since 4 Oct 2011. The average cost per unit was $2,087.58 against a price today of $7,680.08 (+267.89%). The cheapest buy was $696.33 on 3 Mar 2009 and the priciest $7,818.93 on 6 Oct 2026.

Year by year

As ofInvestedWorthReturn
31 Dec 2008$5,300$4,019-24.18%
31 Dec 2009$10,500$11,184+6.52%
31 Dec 2010$15,700$18,372+17.02%
31 Dec 2011$20,900$23,534+12.60%
31 Dec 2012$26,100$32,075+22.89%
31 Dec 2013$31,400$47,555+51.45%
31 Dec 2014$36,600$58,519+59.89%
31 Dec 2015$41,800$63,262+51.34%
31 Dec 2016$47,000$74,868+59.29%
31 Dec 2017$52,200$95,101+82.19%
31 Dec 2018$57,400$93,926+63.63%
31 Dec 2019$62,700$126,951+102.47%
31 Dec 2020$67,900$153,710+126.38%
31 Dec 2021$73,100$200,880+174.80%
31 Dec 2022$78,300$166,717+112.92%
31 Dec 2023$83,500$212,920+154.99%
31 Dec 2024$88,800$268,321+202.16%
31 Dec 2025$94,000$318,054+238.36%
22 Oct 2026$98,200$361,272+267.89%

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.

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Frequently asked questions

How much would $100 every week in S&P 500 since 2008 be worth today?
Investing $100 every week into S&P 500 since 1 January 2008 (982 buys, $98,200 in total) would be worth $361,272 today (+267.89%).
Was DCA better than a lump sum for S&P 500 since 2008?
Investing the same $98,200 in one go on 1 January 2008 would be worth $513,623 today (+423.04%), 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 2008?
The plan was worth less than the money invested on 8.4% of days, with the longest stretch lasting 461 days (ending 9 Sept 2009).
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.