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The Gambler’S Fallacy: Why We Expect A Win After A Losing Streak

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By Shubham Pathak
Content Manager, Bajaj Finserv AMC | linkedin
Shubham Pathak is a finance writer with 7 years of expertise in simplifying complex financial topics for diverse audience.
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The Gambler’S Fallacy
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Imagine flipping a coin five times, and each time it lands on heads. At this point, many people start feeling that tails is now “due”. The mind believes that the next flip must balance things out. This belief is natural but not rational. Each flip is an independent event and the coin does not remember the past. Similarly, investors often believe that after a series of losses, a win is due. This is how gambler’s fallacy shows up in investing. It shapes decisions in ways that feel logical in the moment, but actually rest on shaky ground.

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What is the gambler’s fallacy?

Gambler’s fallacy is the belief that if something has happened more often than usual, it will happen less often in the future, or vice versa. It comes from the mistaken idea that outcomes must “balance out” in the short run.

  • In a casino, a person may think that after ten spins of red, the roulette wheel must turn black.
  • In daily life, we may believe that after a string of bad days, something good is around the corner.

The same belief shows up in financial markets, where people believe that a losing streak in a stock or fund must be followed by a rise.

Also Read: What are money market funds?

How gambler’s fallacy appears in markets

Markets often move in streaks. Some stocks keep rising for months, while others keep falling for long periods. During these times, many investors convince themselves that a reversal is inevitable. Some common examples include:

  • Holding weak shares: Some investors may believe that once a stock has already fallen sharply, further declines are unlikely—even though that’s not necessarily the case.
  • Waiting for market rebounds: When an index declines for weeks, investors may expect a sharp recovery, even if data shows continuing weakness.
  • Betting on comebacks: A company with poor fundamentals is often defended with the thought, “It has been down so long, it has to bounce back soon”.

This behaviour explains why investors may bet on comebacks, even when the underlying reasons for the fall remain unchanged.

Difference between probability and prediction

Gambler’s fallacy occurs when we misunderstand the concept of probability.

  • Probability is about chances. A coin always has a 50% chance of landing heads, no matter how many times it has landed heads before.
  • Prediction is about outcomes. When investors assume that the past influences the next move, they are treating probability as prediction.

In markets, this can lead to mistakes in investing. The fact that a share has been falling for months does not automatically increase the probability of a rebound. Price movements depend on fundamentals, news, and broader market factors.

How to avoid the gambler’s fallacy

Breaking free from the gambler’s fallacy requires a shift in thinking. Instead of linking today’s decision to yesterday’s streak, you can focus on real information about the future.

Practical ways to avoid this trap include:

  • Examine the fundamentals: Assess the company’s earnings, debt, and prospects. Ignore the urge to act only because it has fallen too much already.
  • Avoid emotional sequencing: Remind yourself that markets don’t keep track of your personal loss history. A losing streak doesn’t promise a win.
  • Use data-driven analysis: Study facts such as cash flows and industry trends before making a decision.
  • Adopt a long-term perspective: Short-term streaks can mislead. Over years, real value tends to matter more than patterns.

By doing this, you move away from prediction based on luck and closer to informed judgement.

Investing discipline over betting instincts

The gambler’s fallacy in investing is dangerous because it makes us act like players in a game of chance, instead of disciplined investors. We tend to see patterns in random events, when there are none. Markets are influenced by real business activity, and staying disciplined can mean:

  • Creating an investment plan with clear goals.
  • Following rules for entry and exit, rather than gut feelings.
  • Accepting that markets can move in one direction for longer than expected.

Also Read: Understand Benefits and Investment Risks of Money Market Funds

Conclusion

The gambler’s fallacy makes us believe that a win follows a loss, or that a rise must follow a fall. This mindset can be misleading. In reality, markets are influenced by a combination of fundamentals, sentiment, and external factors — not by a ‘need’ to balance past outcomes. By focusing on fundamentals, avoiding emotional sequencing, and building discipline, investors can reduce the influence of this most common psychological trap.

At Bajaj Finserv AMC, we recognise that emotions are the cornerstone of investor behaviour – not just for investors but for investment professionals too. That’s why, behavioural finance is at the heart of our investment philosophy, InQuBe, which combines the Information Edge, Quantitative Edge and Behavioural Edge. By understanding, tracking and monitoring market sentiments and our own investment biases, we seek to make mindful and strategic investment decisions. Get the Behavioural edge by investing with Bajaj Finserv AMC. Read more about InQuBe here.

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By Shubham Pathak
Content Manager, Bajaj Finserv AMC | linkedin
Shubham Pathak is a finance writer with 7 years of expertise in simplifying complex financial topics for diverse audience.
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Shubham Pathak
Content Manager, Bajaj Finserv AMC | linkedin
Shubham Pathak is a finance writer with 7 years of expertise in simplifying complex financial topics for diverse audience.
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