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The Daily Insight

How do you calculate dollar cost averaging?

Author

Christopher Harper

Updated on April 01, 2026

Dollar Average Price = Number of periods/ ∑(1/Share Price on investment dates)

  1. Dollar Average Price = Number of periods/ ∑(1/Share Price on investment dates)
  2. = 6 / {(1/156.23)+ (1/156.30)+ (1/173.15)+ (1/188.72) + (1/204.61)+ (1/178.23)}
  3. = $174.57.

Does dollar cost averaging really work?

A third of the time, dollar cost averaging outperformed lump sum investing. Because it’s impossible to predict future market drops, dollar cost averaging offers solid returns while reducing the risk you end up in the 33.33% of cases where lump sum investing falters.

Is Dollar Cost Averaging the best way to invest?

DCA is a good strategy for investors with a lower risk tolerance. If you have a lump sum of money to invest and you put it into the market all at once, then you run the risk of buying at a peak, which can be unsettling if prices fall. The potential for this price drop is called a timing risk.

Why you should dollar cost average?

Dollar-cost averaging is the strategy of spreading out your stock or fund purchases, buying at regular intervals and in roughly equal amounts. This is because dollar-cost averaging “smooths” your purchase price over time and helps ensure that you’re not dumping all your money in at a high point for prices.

Why dollar-cost averaging is a bad idea?

A disadvantage of dollar-cost averaging is that the market tends to go up over time. This means that if you invest a lump sum earlier, it is likely to do better than smaller amounts invested over a period of time. The lump sum will provide a better return over the long run as a result of the market’s rising tendency.

Does Warren Buffett believe in dollar cost averaging?

Buffett has long expressed his optimism towards dollar-cost averaging into stock market indices. Specifically, the “oracle of Omaha” likes the S&P 500 index funds and dollar-cost averaging into the index. But data indicates that the same strategy has proven efficient for Bitcoin in the past several years.

What is the best day of the month to invest in the stock market?

If Monday may be the best day of the week to buy stocks, Friday may be the best day to sell stock—before prices dip on Monday. If you’re interested in short-selling, then Friday may be the best day to take a short position (if stocks are priced higher on Friday), and Monday would be the best day to cover your short.

What fund does Warren Buffett recommend?

the S&P 500 index fund
Instead of stock picking, Buffett suggested investing in a low-cost index fund. “I recommend the S&P 500 index fund,” Buffett said, which holds 500 of the largest companies in the U.S., “and have for a long, long time to people.”

Is it better to buy in dollar amounts or shares?

By investing equal dollar amounts, you’ll buy fewer shares when the stock is expensive and more when it’s cheaper. On the other hand, if you’re buying because you want to own the stock, but there’s nothing extremely compelling about its value right now, dollar-cost averaging is probably the better way to go.