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Momentum Investment: Meaning, Formula, Controversy

What Is Momentum Investing?

Momentum investing is a strategy that aims to capitalize on the continuance of an existing market trend. It is a trading strategy in which investors buy securities that are already rising and look to sell 🃏them when they look to have pe༺aked

Momentum, in markets, refers to the capacity for a price trend to sustain itself going ꦿforward.

Key Takeaways

  • Momentum investing is a strategy that aims to capitalize on the continuance of existing trends in the market.
  • Market momentum is the ability for a price trend to sustain itself and continue.
  • Momentum investing usually involves a strict set of rules based on technical indicators that dictate market entry and exit points for particular securities.
  • Few professional investment managers make use of momentum investing, relying instead on fundamental factors and value indicators.

Understanding Momentum Investing

Momentum investing involves going long on stocks, futures, market exchange-traded funds (ETFs), or any financial instrument showing upward-trending prices and short the respective assets with downward-trending🐠 prices.

Momentum investing holds that trends can persist for some time and that it’s possible to profit by staying with a trend until its conclusion, no matter how long that may be. For example, momentum investors that entered the U.S. 澳洲幸运5官方开奖结果体彩网:stock market in 2009 generally enjoyed an uptrend until ✃December 2018.

Fast Fact

Although he wasn't the first to use the strategy, fund manager and businessman Richard Driehaus is often credited as being the father of momentum investing.

Momentum Investing Methods

Momentum investing usually involves abiding by a strict set of rules based on technical indicators that dictate market entಌry and exit points for particular securities.

Momentum investors sometimes use two longer-term 澳洲幸运5官方开奖结果体彩网:moving averages (MAs), one a bit shorter than the other, for 澳洲幸运5官方开奖结果体彩网:trading signals. Some use 50-day and 200-day MAs, for example. In this case, the 50-day crossing above the 200-day creates a buy signal, while a 50-day crossing back below the 200-day creates a sell signal. A few momentum investors prefer to use even longer-term MAs for signaling purposes.♋

Another type of momentum investing strategy involves following price-based signals to go long on 澳洲幸运5官方开奖结果体彩网:sector ETFs with the strongest momentum, while shorting t🍒he sector ETFs with the weakest momentum, then rotating in and oꦕut of the sectors accordingly.

Other momentum strategies involve cross-asset analysis. For example, some equity traders closely watch the Treasury 澳洲幸运5官方开奖结果体彩网:yield curve and use it as a momentum signal for equity entries and eꦗxits. A 10-year Treasury yield above the two-year yield generally is a buy signal, whereas a two-year yield trading above the 10-year yield is a sell signal. Notably, the two-year versus 10-year Treasury yields tend to be a strong predictor of recessions, and also has implications for stock markets.

In addition, some strategies involve both momentum factors and some 澳洲幸运5官方开奖结果体彩网:fundamental factors. One such system is 澳洲幸运5官方开奖结果体彩网:CAN SLIM, made famous by William O’Neill, founder of Investor’s Business Daily. Since it emphasizes qu🎃arterly and annual earnings per share (EPS), some may argue it’s not a momentum strategy, per se. However, the system generally seeks stocks with both earnings and sales momentum and ཧtends to point to stocks with price momentum, as well.

Important

If you intend to practice momentum investing, make sure you choose the proper securities and consider their liquidity and 澳洲幸运5官方开奖结果体彩网:trading volume.

Like other momentum systems, CAN SLIM also includes rules for when to enter and exit stocks, based mainly on technical analysis.

The Debate Over Momentum Investing

Few professional investment managers make use of momentum investing, believing that individual stock picking based on an analysis of 澳洲幸运5官方开奖结果体彩网:discounted cash flows (DCFs) and other fundamental factors tend to produce more predictable results, and is a better means of beating index performance over the long term. "As an investment strategy, it’s a thumb in the eye of the 澳洲幸运5官方开奖结果体彩网:efficient market hypothesis (EMH), one of the central tenets of modern finance," to quote a UCLA Anderson Review , "Momentum Investing: It Works, But Why?"

However, momentum investing has its advocates. A 1993 study published in the Journal of Finance documented how strategies of buying recent stock winners and selling recent losers generated significantly higher near-term returns than the U.S. market overall from 1965 to 1989.

More recently, the 澳洲幸运5官方开奖结果体彩网:American Association oꦏf Individual In♏vestors (AAII) found that CAN SLIM can beat the 澳洲幸运5官方开奖结果体彩网:S&P 500 when looking at trailing five-year and 10-year periods, and has beaten it soundly over an even longer time frame.

What Technical Indicators Can Momentum Traders Use?

There are several momentum indicators that technical analysts can use in momentum trading. Among the most popular include the 澳洲幸运5官方开奖结果体彩网:relative strength indicator (RSI), 澳洲幸运5官方开奖结果体彩网:price rate of change (ROC), stochastics, and 澳洲幸运5官方开奖结果体彩网:moving average convergence dive♐rge🐭nce (MACD).

What Is the Formula For Market Momentum?

Generally, market momentum can be defined f🌜rom the following equation:

M=VVxwhere:V=The latest priceVx=The closing price x number of days ago\begin{aligned} &M = V - V_x\\ &\textbf{where:}\\ &V = \text{The latest price}\\ &V_x = \text{The closing price }x\text{ number of days ago}\\ \end{aligned}M=VVxwhere:V=The latest priceVx=The closing price x number of days ago

What Is the Market Psychology Behind Momentum Trading?

Momentum traders benefit from 澳洲幸运5官方开奖结果体彩网:herd mentality, greed, and fear of missing ಞout. This can lead bull markets to rise higher than fundamenta🤪ls might predict. Fear of losses and panic can likewise lead selloffs to become crashes.

Article Sources
Investopedia requires writers to use primary sources to support their work. These include white papers, government data, original reporting, and interviews with industry experts. We also reference original research from other reputable publishers where appropriate. You can learn more about the standards we follow in producing accurate, unbiased content in our editorial policy.
  1. Tanous, Peter J. Investment gurus: a road map to wealth from the world's best money managers. Penguin, 1999.

  2. Investors' Business Daily. "."

  3. UCLA Anderson Review. ""

  4. Jegadeesh, Narasimhan, and Sheridan Titman. "Returns to buying winners and selling losers: Implications for stock market efficiency." The Journal of Finance, Vol. 48, No. 1. 1993. Pp. 65-91.

  5. Lutey, Matt, and David Rayome. "Live Out of Sample Testing of CAN SLIM Stock Selection Strategy." Journal of Accounting and Finance, Vol. 22, No. 2. 2022. Pp. 1-7.

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