
The January Effect is a perceived seasonal increase in stock prices during the month of January. Analysts generally attribute this rally to an increase in buying, which follows the drop in price that typically happens in December when investors, engaging in tax-loss harvesting to offset realized capital gains, prompt a sell-off.
What is the January effect on stocks?
Dec 27, 2021 · The January Effect is the name of a seasonal rise in stock prices during January. The effect was first noticed in 1942 by an investment banker who studied returns going back to 1925. Researchers have proposed several causes for the effect, including tax-loss harvesting in December, invested bonus payouts, and portfolio rebalancing.
How does the stock market perform in January?
20 rows · May 28, 2020 · What is the January Effect? The January Effect is a seasonal phenomenon describing the ...
Is the January effect still alive in the futures markets?
Mar 21, 2022 · The January Effect is a result of tax-loss selling which causes investors to sell their losing positions at the end of December. The January Effect is predicated on the idea that these stocks, which have been sold off to realize the tax losses, will be at a …
How does the news affect the stock market?
Mar 23, 2022 · The January Effect is the belief that the stock market has a tendency to rise in January more than any other month. While there are many potential causes, it's …

How does the January Effect work?
The January Effect is the perceived seasonal tendency for stocks to rise in that month. The January Effect is theorized to occur when investors sell winners to incur year-end capital gains taxes in December and use those funds to speculate on weaker performers.
Do stocks drop in January?
January market drops are now fairly common, including in the previous two years, which nonetheless ended with large annual gains. Many Wall Street strategists are predicting that the market will end 2022 higher.Jan 31, 2022
Does the January Effect still exist?
Surprisingly, however, the January effect continues to hold true for fixed-income securities. Since 2000, if an investor had been buying bonds in January, the return for that one-month period on average was 0.20 percentage point greater than the average return for any other month of the year.Jan 8, 2022
Why did stocks crash in January?
“And the confluence of higher interest rates, higher inflation and moderating earnings growth are resulting in elevated volatility at the moment.” Anxiety can lead to massive swings, which occurred with unsettling frequency in the early days of the coronavirus crisis as investors tried to adjust to a new reality.Jan 25, 2022
Why do stocks go up in January?
The most common theory explaining this phenomenon is that individual investors, who are income tax-sensitive and who disproportionately hold small stocks, sell stocks for tax reasons at year end (such as to claim a capital loss) and reinvest after the first of the year.
Why do stocks go up on Fridays?
Best Day of the Week to Sell Stocks In the United States, Fridays on the eve of three-day weekends tend to be especially good. Due to generally positive feelings prior to a long holiday weekend, the stock markets tend to rise ahead of these observed holidays.
The January Effect Explained in Less Than 5 Minutes
Mike Price is a personal finance writer with more than six years of prior experience working in the banking industry. He specializes in writing about investing, real estate and accounting for The Balance. His work has also been featured in other notable financial websites such as The Motley Fool.
Definition and Examples of the January Effect
In 1942, investment banker Sidney Wachtel noticed that stocks tended to go up in January more than in other months. 1 Academics confirmed this theory over the years in U.S. stocks, other asset classes, and other markets.
How Does the January Effect Work?
When the January Effect did work, three possible causes were proposed.
What It Means for Individual Investors
In recent years, the January Effect has been inconsistent for U.S. stock markets. It’s possible the effect lives on in other asset classes or in less developed markets where the market is less efficient (as it once was in small U.S. stocks), but scholars report inconclusive findings.
What is the January effect?
Some have pointed to a pattern of smaller stocks outperforming large ones, but others believe the January Effect is more accurately ascribed to generally depressed stocks regardless of company size.
Did the S&P 500 rise in January?
As can be seen in the table, the S&P 500, DAX 30 and the SSE have seen their price rise in January in ten of the last 20 years, the FTSE 100 seven, and the Nikkei 225 six, although all of these assets had seen a January rise in 2019.
What is the January effect?
The January Effect is a tendency for increases in stock prices during the beginning of the year, particularly in the month of January. The cause behind the January Effect is attributed to tax-loss harvesting, consumer sentiment, year-end bonuses, raising year-end report performances, and more. The January Effect appears to affect small-cap stocks.
Why is the stock market increasing in December?
The increase in demand for stocks is often preceded by a decrease in price during the month of December, often due to tax-loss harvesting. An alternative reason for the rise in demand is the effect of year-end bonuses individuals receive that are invested in the market.
What is market cap?
Market Cap is equal to the current share price multiplied by the number of shares outstanding. The investing community often uses the market capitalization value to rank companies. Stock Market Index A stock market index, also known as a stock index, measures a section of the stock market.
What is liquidity in financial markets?
Liquidity In financial markets, liquidity refers to how quickly an investment can be sold without negatively impacting its price. The more liquid an investment is, the more quickly it can be sold (and vice versa), and the easier it is to sell it for fair value. All else being equal, more liquid assets trade at a premium ...
What is the January barometer?
January Barometer The January Barometer is the idea that the investment performance of the S&P 500 in the month of January is representative of the predicted. Halloween Strategy.
When is the best time to invest?
As January is the beginning of a new year, many investors believe that the start of the year is the best time to begin investing for their future, under a clean slate. Another reason may perhaps stem from the fact that mutual fund managers.
Does the January effect exist?
Analyzing data from the beginning of the 20th century, it has been found that a variety of asset classes had outperformed the market during the month of January, which led to the belief that the January Effect indeed exists. However, over time, especially in recent years, the markets have begun to adjust to the phenomenon.
What is the January effect?
The January Effect refers to the hypothesis that, in January, stock market prices have the tendency to rise more than in any other month. This is not to be confused with the January barometer, which posits that stocks' performance in January is a leading indicator for stock performance throughout the entire year.
Why do investors sell off stocks in December?
According to this hypothesis, investors sell off underperforming stocks in December to lock in a capital loss for the year, thereby reducing their tax bill, which causes a temporary dip in prices. In January, prices recover when buying picks up again.
What is the January effect?
The January Effect is a theory which says that every December stock prices take a dip and every January they receive a boost. This is driven by heavy selling during December and aggressive buying during January, particularly early in the month. Investors tend to sell off low-performing stocks at the end of each year.
Why do investors sell stocks at a loss?
The January Effect is driven by tax planning. Investors sell off stocks at a loss before the end of each year to try and mitigate their upcoming capital gains taxes. Once the calendar rolls over, they buy those stocks back to hold for another year of (hopeful) gains.
What was the Dow Jones Industrial Average in 2019?
Just as one example, in 2019/2020 the Dow Jones Industrial Average fluctuated from 28,645.26 on December 27 to 28,462.14 on December 30 back to 26,868.80 on January 2. This is a small margin of movement, all within approximately 400 points, but it obeys the rules that the January Effect tells us to expect.
Is the January effect still pronounced?
The January Effect no longer appears as pronounced as it was in the mid -20th century, when it was first documented . However some data still supports the idea of a December /January fluctuation to a certain degree.
The Research
Multiple researchers have examined the January effect. This paper by Mark Haug and Mark Hirshey of the University of Kansas explains the January effect and finds it to be present over many decades up to 2005 when the research was published.
What Causes The January Effect?
Researchers believe there may be two primary causes of the January effect. This is helpful because historic trends may just be data mining, hence having an underlying rationale can add weight to the theory.
Reasons For Caution
Any investment strategy as simple as buying certain stocks in a given month should be put to the test. With 12 months to test, there’s a chance that one month of the year looking good could just be random.
Recent Analysis
An analysis in 2010 looking at calendar anomalies in the stock market argues that the January effect is not a unique monthly trend and is just an example of the market tending to rally around the turn of month and during the November-May period.
What is the January effect?
The January effect is a seasonal stock market phenomenon that traders can potentially use to their advantage when formulating trading plans during the end of one year and the beginning of the next.
How to take advantage of January effect?
To take advantage of the January effect, you need to have a strong strategy and setup. Ideally, you can hone a setup so that you can take advantage of it over and over. However, to do that, you really need to narrow your focus.

Understanding The January Effect
- The January Effect is a hypothesis, and like all calendar-related effects, suggests that the markets as a whole are inefficient, as efficient markets would naturally make this effect non-existent. The January Effect seems to affect small capsmore than mid or large caps because th…
January Effect Explanations
- Beyond tax-loss harvesting and repurchases, as well as investors putting cash bonuses into the market, another explanation for the January Effect has to do with investor psychology. Some investors believe that January is the best month to begin an investment program or perhaps are following through on a New Year's resolution to begin investing for the future. Others have pontif…
Studies and Criticism
- An ex-Director from the Vanguard Group, Burton Malkiel, the author of A Random Walk Down Wall Street, has criticized the January Effect, stating that seasonal anomalies such as it don't provide investors with any reliable opportunities. He also suggests that the January Effect is so small that the transaction costs needed to exploit it essentially make it unprofitable. It's also been suggest…
Understanding The January Effect
- The January Effect appears to affect small-cap companies more than mid- or large-cap companies due to their lower liquidityLiquidityIn financial markets, liquidity refers to how quickly an investment can be sold without negatively impacting its price. The more liquid an investment is, the more quickly it can be sold (and vice versa), and the easier...
Additional Drivers Behind The January Effect
- Beyond the hypothesis of tax-loss harvesting and bonuses, it appears that the January Effect may also be driven by consumer sentiment. As January is the beginning of a new year, many investors believe that the start of the year is the best time to begin investing for their future, under a clean slate. Another reason may perhaps stem from the fact that mutual fund managersFamous Fund …
Past Studies and Comments
- Based on a study that analyzed data between 1904 and 1974, the average return for stocks during January was approximately five times greater than any other remaining months throughout the year. In fact, Salomon Smith Barney performed an analysis behind stock performance between 1972 to 2002 and learned that small-cap stocks outperformed large-cap stocks during January. …
Essential Knowledge to Prepare For The January Effect
- As an investor, it is important to understand the fundamentals of a company to be better equipped when making decisions during the January spike. It involves researching the company’s financial health, such as revenues, growth potential, and profit marginsProfit MarginIn accounting and finance, profit margin is a measure of a company's earnings relative to its revenue. The three ma…
Additional Resources
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