DCA history · S&P 500

S&P 500 DCA since 2008: $100 monthly

Investing $100 every month into S&P 500 since 1 January 2008 (226 buys, $22,600 in total) would be worth $83,280 today (+268.50%).

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

Dollar-cost averaging

$83,280

+268.50% · +12.46%/yr

Invested
$22,600.00
Buys
226
Average cost
$2,083.93

Lump sum, day one

Winner

$118,193

+422.98%

Invested
$22,600.00
Bought at
$1,468.36
Max drawdown
53.93%

Perfect timing (hindsight)

$256,529

+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 9.2% of days, with the longest unbroken stretch lasting 466 days (to 14 Sept 2009). The worst moment was 20 Nov 2008, when it was down 41.5% on what had been invested. It has been in profit continuously since 4 Oct 2011. The average cost per unit was $2,083.93 against a price today of $7,679.18 (+268.50%). 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 2008$1,200$883-26.44%
31 Dec 2009$2,400$2,545+6.03%
31 Dec 2010$3,600$4,214+17.06%
31 Dec 2011$4,800$5,400+12.51%
31 Dec 2012$6,000$7,373+22.88%
31 Dec 2013$7,200$10,929+51.79%
31 Dec 2014$8,400$13,459+60.23%
31 Dec 2015$9,600$14,557+51.64%
31 Dec 2016$10,800$17,231+59.54%
31 Dec 2017$12,000$21,898+82.48%
31 Dec 2018$13,200$21,625+63.82%
31 Dec 2019$14,400$29,221+102.92%
31 Dec 2020$15,600$35,409+126.98%
31 Dec 2021$16,800$46,296+175.57%
31 Dec 2022$18,000$38,411+113.39%
31 Dec 2023$19,200$49,067+155.56%
31 Dec 2024$20,400$61,825+203.06%
31 Dec 2025$21,600$73,290+239.31%
22 Oct 2026$22,600$83,280+268.50%

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 2008 be worth today?
Investing $100 every month into S&P 500 since 1 January 2008 (226 buys, $22,600 in total) would be worth $83,280 today (+268.50%).
Was DCA better than a lump sum for S&P 500 since 2008?
Investing the same $22,600 in one go on 1 January 2008 would be worth $118,193 today (+422.98%), 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 9.2% of days, with the longest stretch lasting 466 days (ending 14 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.