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Dollar Cost Averaging explained

So many people want to invest but they never get started because they’re afraid of jumping into the market at the wrong time. This is a valid concern; no one wants to lose money. So what is it?

Dollar Cost Averaging is a simple technique employed to mitigate the risk of investing a large sum of money at the “wrong time”. It is accomplished by purchasing a certain fixed dollar amount of some particular investment at set regular intervals.

Because you’re always investing the same dollar amount, you’ll be buying more shares when the price is low and fewer shares when the price is higher. This strategy has an averaging effect on your cumulative purchase price that actually favors the lower price.

Let’s take an example.

We’re going to invest $500 a month in XYZ Corporation. In the first month the stock is trading at $20 which allows you to purchase 25 shares. Next month the stock is trading at $10 per share and you’re able to buy 50 shares.

At first glance, you might expect the average price to be $15, but this isn’t the case. After two months, you’ve invested $1,000 and have purchased 75 shares. This comes out to $13.33 per share. This is due to the fact that you’re not only buying shares at different prices but also different quantities.

This strategy works really well for people wanting to get started investing because they may not have a lump sum to invest in the first place. Consistent use of this strategy is a great way to reduce your investment risk.

So what’s holding you back from getting started?

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3 Comments so far »

  1. by The CFO Dad, on May 10 2007 @ 7:29 pm

     

    Thanks for that! I had never heard of this. Seems that when I contribute to my 401K every 2 weeks, that is essentially what I am doing…buying some company stock at different prices and different quantities. Nice explanation.

    Looks like you have been at this since February. I just started…let me know what you think of my site.

    Congrats on a great blog!

  2. by Escape Brooklyn, on May 17 2007 @ 7:18 am

     

    Good explanation! I understand the concept (and agree that it’s a great way to invest) but always have a hard time explaining it to others who just want to “time the market.” Your post is a good resource!

  3. by Fiscal Musings » Blog Archive » Dollar Cost Averaging in a Volatile Market, on January 28 2008 @ 6:25 pm

     

    […] All of this activity in the equity markets can be summed up and described as volatility, and in times of increased market volatility it’s natural for people to be a little leery. Interestingly however, increased market fluctuations are actually better for an investment strategy known as dollar cost averaging. […]

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