DCA history · S&P 500

S&P 500 DCA since 2017: $100 weekly

Investing $100 every week into S&P 500 since 1 January 2017 (512 buys, $51,200 in total) would be worth $104,563 today (+104.22%).

Backtest 1 January 2017 to 22 October 2026 · USD · no fees · live price. Change the amount, dates or fees →

Dollar-cost averaging

$104,563

+104.22% · +14.05%/yr

Invested
$51,200.00
Buys
512
Average cost
$3,760.62

Lump sum, day one

Winner

$175,636

+243.04%

Invested
$51,200.00
Bought at
$2,238.83
Max drawdown
33.92%

Perfect timing (hindsight)

$175,749

+243.26%

Bought on
23 Mar 2020
At a price of
$2,237.40
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 1.3% of days, with the longest unbroken stretch lasting 23 days (to 8 Jan 2019). The worst moment was 23 Mar 2020, when it was down 17.3% on what had been invested. It has been in profit continuously since 8 Apr 2020. The average cost per unit was $3,760.62 against a price today of $7,680.08 (+104.22%). The cheapest buy was $2,238.83 on 1 Jan 2017 and the priciest $7,811.54 on 11 Oct 2026.

Year by year

As ofInvestedWorthReturn
31 Dec 2017$5,300$5,802+9.47%
31 Dec 2018$10,500$10,198-2.87%
31 Dec 2019$15,700$18,917+20.49%
31 Dec 2020$20,900$28,140+34.64%
31 Dec 2021$26,100$41,547+59.18%
31 Dec 2022$31,300$38,354+22.54%
31 Dec 2023$36,600$53,568+46.36%
31 Dec 2024$41,800$71,709+71.55%
31 Dec 2025$47,000$89,231+89.85%
22 Oct 2026$51,200$104,563+104.22%

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 2017 be worth today?
Investing $100 every week into S&P 500 since 1 January 2017 (512 buys, $51,200 in total) would be worth $104,563 today (+104.22%).
Was DCA better than a lump sum for S&P 500 since 2017?
Investing the same $51,200 in one go on 1 January 2017 would be worth $175,636 today (+243.04%), 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 2017?
The plan was worth less than the money invested on 1.3% of days, with the longest stretch lasting 23 days (ending 8 Jan 2019).
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.