The Story of Who Invented Dollar Cost Averaging


Who Invented Dollar Cost Averaging: Ever wonder who invented dollar cost averaging and how it changed the way we invest? It all began with an innovative Virginia financial advisor named John Bogle, who developed this investing strategy in the 1950s.

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The Early History of Easier Investing

Before John Bogle innovated and popularized the practice of dollar cost averaging, investing was a daunting prospect for everyday people. It required deep knowledge of stocks and bonds, significant capital and resources—all at a time when the stock market was highly volatile with no guarantee of returns.

With dollar cost averaging, investors could minimize risk by breaking down their investments into smaller chunks, or “cost averaging”. This smaller approach to investing overlooked volatility and allowed everyone to get started without an abundance of capital or expertise.

How Benjamin Graham Pioneered Modern Finance Theory

In the 1920s, Benjamin Graham was one of the most renowned investors in the world, and soon gained a reputation as the father of modern security analysis. His book Security Analysis was widely acclaimed, quickly transforming Wall Street and becoming essential reading for budding investors looking to succeed in their chosen field. In it, Graham developed revolutionary new ways of approaching risk management that would eventually form the backbone of dollar cost averaging.


Paul Samuelson Creates the Principle of Dollar Cost Averaging

Paul Samuelson, the first American to win a Nobel Prize in Economics, further refined Benjamin Graham’s ideas on dollar cost averaging in his book Economics: An Introductory Analysis.

Since dollar cost averaging can be an effective strategy for risk management, it quickly became popular among novice and experienced investors alike. As a result, Samuelson is often credited with expanding the practice of dollar cost averaging and making it easier for everyday people to invest using this method.


Get The Book Economics: An Introductory Analysis On Amazon:-

John Bogle’s Contribution to passive Index Investing

Besides Paul Samuelson, financial pioneer John Bogle is another influential figure in the history of dollar cost averaging. Bogle founded the Vanguard Group in 1974 with the goal of giving investors access to low-cost index funds that allowed individuals to take advantage of dollar cost averaging.

Bogle’s passion for passive investment strategies revolutionized the industry and has since become a popular option for novice and experienced investors alike.

William Sharpe Shapes Portfolio Theory & Modern Investing Strategies

A third key individual in the evolution of dollar cost averaging is Nobel Prize-winning economist William Sharpe. In 1966, he developed his famous Capital Asset Pricing Model (CAPM) which addressed the issue of portfolio risk and redefines modern investing strategies.


His research proposed that investors could use a technique to decrease risk by spreading their investments over time rather than investing one lump sum at once. This theory was later applied to the principles behind dollar cost averaging.

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What Is Graham Dollar-Cost Averaging?

What Is Graham Dollar-Cost Averaging?

Investing can be a tricky business, with no guarantee that you’ll make money. However, there are strategies designed to reduce risk and provide stability such as Graham dollar-cost averaging. This guide will explain what it is and how to use it in your investment strategy.

What is Graham Dollar-Cost Averaging?

Graham dollar-cost averaging is a strategy developed by Benjamin Graham, considered the father of value investing. It involves periodically investing fixed amounts of money into stocks or other securities according to predetermined thresholds and rules.

This helps to spread out investment risk over time and can provide better overall returns due to increased diversification.

How Does it Work?

In the simplest terms, Graham dollar-cost averaging works by dividing your total investment into a series of smaller purchases and purchasing the same amount at regular intervals. This allows you to purchase more stock when prices are low and fewer stocks when prices are high. This helps spread out your risk and can be beneficial for investors who feel like market timing is too risky.

Who Invented Dollar Cost Averaging

Benefits of Graham Dollar-Cost Averaging

There are several notable benefits of Graham dollar-cost averaging. The main benefit is that it helps spread out the risk associated with investing by purchasing stocks at different points in time. This minimizes losses due to market volatility and can help you take advantage of any periodic dips in stock prices.

Additionally, this technique can help reduce the overall cost of your investment since you’re able to purchase stocks at different prices for lower fees than buying in a lump sum all at once.

Drawbacks of Graham Dollar-Cost Averaging

As with any investment strategy, Graham dollar-cost averaging has its drawbacks. The biggest of these is that it relies on a passive approach to investing, meaning you miss out on the higher profits from being able to predict the timing of market movement. Additionally, dollar-cost averaging can take longer than other methods which could mean that investors won’t see the desired returns until some time down the road. Lastly, because of the lack of agility associated with this strategy there may be fewer chances to capitalize on turning points in the market.

Who Invented Dollar Cost Averaging

Implementing Graham Dollar-Cost Averaging

Implementing a Graham dollar-cost averaging strategy is relatively straightforward. To begin, you’ll need to set an amount which will be used to buy into the position of your choice. Once you have that figured out, the next step is to decide how often and in what size increments you want to invest.

During market downturns, investors should consider buying more shares while they are cheaper while during market rallies they should invest smaller amounts instead.

What Is The Strategy Of Benjamin Graham?

Benjamin Graham is credited with creating the value investing strategy using fundamental analysis, in which investors analyze stock market data to find systematically undervalued assets.

  • The original value investing philosophy developed by Benjamin Graham in the 1930s is termed The Benjamin Method.
  • Graham concentrated on long-term investing in companies based on fundamental financial ratios analysis and forsook short-term speculation.
  • Famous value investor Warren Buffett has credited his success to the Benjamin Method.

The Benjamin Method

The Benjamin Investing Method is the brainchild of Benjamin Graham, a British-American investor, economist, and author. He became famous in 1934 by publishing his textbook titled: Security Analysis, which he co-wrote with David Dodd.

Security Analysis is a seminal book for today’s investment industry. Benjamin Graham’s teachings have greatly influenced famous investors like Warren Buffett. Benjamin Graham taught Warren Buffett when Buffett was a student at Columbia University’, and Buffett has written that Graham’s books and teachings “have become the foundation upon which all my business and investment decisions are built”.

His famous book The Intelligent Investor has been recognized as a seminal work on value investing. Benjamin Graham’s value investing approach emphasizes that there are two types of investors: long-term investors and short-term investors. Short-term investors are speculators betting on an asset’s price fluctuations. In contrast, long-term value investors should think of themselves as entrepreneurs. As a business owner, you shouldn’t care what the market feels about the value of your business as long as you have solid evidence that the business is, or will be, profitable enough.

Finding The Intrinsic Value Of A Stock Using The Benjamin Method

V = EPS × (8.5 + 2g)

Where: V = intrinsic value

EPS = trailing 12-mth EPS of the company

8.5 = P/E ratio of a zero-growth stock

g = long-term growth rate of the company​

The formula was revised in the year 1974 to include both a 4.4% risk-free rate, the average yield for high-quality corporate bonds in 1962, and the current yield for AAA corporate bonds, represented by the letter Y:

V=EPS × (8.5 + 2g) × 4.4​


Making Use Of The Benjamin Method

Suppose you’re an investor considering buying stock in the hypothetical Philadelphia Widget Company. The company is well-known and the leading provider of widgets in the United States. Its stock trades at $100 per share while you earn $10 a year.

A competitor to the Philadelphia Widget Company is the Cleveland Widget Company, a younger startup that’s not well known but has been gaining market share in recent years. It makes much less money, just $2 a year, but the stock is also much cheaper at $15 per share. An investor using the Benjamin Method would use these numbers and other data to conduct a fundamental company analysis. For example, we can see that the Cleveland Widget Company is cheaper to buy per dollar of earnings than the Philadelphia Widget Company.

The price-to-earnings (P/E) ratio for the Philadelphia Widget Company is 10, while 7.5 for the Cleveland Widget Company.

A follower of the Benjamin method of investing would conclude that Philadelphia is overvalued simply because it is well known. That investor would choose the Cleveland company instead.

How Does Dollar-Cost Averaging Make Money?

Investing in stocks is commonly regarded as a pathway to wealth accumulation and the realization of long-term financial objectives. However, the volatile nature of the market can make it challenging to time your investments perfectly. This is where dollar-cost averaging (DCA) comes into play. DCA is an investment strategy that aims to generate returns over time by consistently investing fixed amounts at regular intervals. Below, we will delve into how dollar-cost averaging can make money and why it is a popular approach among investors.

Understanding Dollar-Cost Averaging

Dollar-cost averaging is a strategy where investors consistently invest a set amount of money into a specific investment instrument, such as stocks or mutual funds, at predetermined intervals, regardless of the current price of the asset. This approach enables investors to acquire more shares when prices are lower and fewer shares when prices are higher, capitalizing on market fluctuations and ultimately reducing the average cost per share as time progresses.

How Dollar-Cost Averaging Makes Money:

  1. Buying More Shares at Lower Prices

One of the key ways dollar-cost averaging generates returns is by allowing investors to buy more shares when prices are low. During market downturns or when the price of a particular asset is low, the fixed investment amount can purchase more shares than during periods of high prices. As the market eventually recovers and prices rise, the accumulated shares increase in value, resulting in potential profits when the investment is eventually sold.

  1. Reducing the Impact of Market Timing

Timing the market is notoriously difficult, even for experienced investors. Market fluctuations and unpredictable price movements make it challenging to consistently buy at the lowest points and sell at the highest points. Dollar-cost averaging eliminates the need to time the market by spreading investments over time. This approach reduces the risk of making poor investment decisions based on short-term market fluctuations and removes the pressure of trying to predict market movements accurately.

  1. Long-Term Compounding

Dollar-cost averaging is a long-term investment strategy that emphasizes consistent investing over an extended period. Through regular contributions, investors benefit from the power of compounding. As the investment grows, the returns generated are reinvested, leading to the potential for exponential growth over time. Compounding allows investors to earn returns not just on their initial investment but also on the accumulated returns.

  1. Emotional Discipline

Investor behavior plays a crucial role in achieving investment success. Emotions such as fear and greed can lead to irrational investment decisions, such as buying when prices are high due to FOMO (Fear of Missing Out) or selling when prices plummet due to panic. Dollar-cost averaging promotes emotional discipline by encouraging investors to stick to their investment plan regardless of short-term market fluctuations. By consistently investing fixed amounts, investors avoid impulsive buying or selling decisions driven by emotions.

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Dollar-cost averaging is a proven investment strategy that can help investors generate returns over time. By consistently investing fixed amounts at regular intervals, investors benefit from buying more shares when prices are low, reducing the impact of market timing, leveraging the power of compounding, and maintaining emotional discipline.

It is important to note that dollar-cost averaging is a long-term strategy that requires patience and commitment. By staying the course and remaining consistent, investors can potentially grow their wealth and achieve their financial goals through the power of dollar-cost averaging.


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