Info Gulp

What Is the House Money Effect?


Last Updated:
Info Gulp employs strict editorial principles to provide accurate, clear and actionable information. Learn more about our Editorial Policy.

    Highlights

  • The house money effect causes investors to view profits as separate from other earnings, increasing their risk tolerance temporarily
  • It originates from casino gambling behavior where winnings are reused for riskier bets
  • Unlike the house money effect, letting winners ride involves calculated risk management to compound gains without emotional bias
  • Investors should maintain steady risk tolerance or become more conservative after big wins to avoid this effect's pitfalls
Table of Contents

What Is the House Money Effect?

Let me explain the house money effect to you directly—it's a theory in behavioral finance that shows why investors like you might take bigger risks when you're reinvesting profits from your investments, compared to when you're using your regular savings or wages. You often mentally separate investment income from money earned through other means, which messes with your accounting and decision-making.

Because you see that profit as 'extra' or somehow different, you end up investing it with a higher tolerance for risk than you normally would, which can throw off your overall investment choices.

Key Takeaways

Here's what you need to grasp: the house money effect means people risk more with their winnings than they otherwise would. This happens because they perceive the money as new and not truly theirs. You'll find many examples of this, but they all point to a lack of strict discipline in investing. Remember, don't confuse this with a planned strategy where you mathematically increase your position size after unexpected gains.

Understanding the House Money Effect

Richard H. Thaler and Eric J. Johnson from Cornell first defined this term, borrowing it from casinos where gamblers use winnings from past bets for new ones. In investing, it means you might buy higher-risk stocks or assets right after a profitable trade. For instance, if you make a short-term profit on a stock with a beta of 1.5, you could then jump to one with a beta of 2 or higher because that recent success boosts your risk tolerance temporarily, pushing you to seek even more risk.

Windfall profits can trigger it too—say you double your money on a four-month trade; instead of playing it safe next or cashing out some gains, you might dive into another risky move, figuring you can afford a loss as long as you keep some of the original profit.

Longer-Term Investors and the House Money Effect

If you're a longer-term investor, you might fall into this trap as well. Imagine earning over 30% in a year from a growth mutual fund, way above the usual 6% to 8% average stock gain, thanks to a hot market. Then, at year's end, you switch to an aggressive long-short hedge fund—that could be the house money effect ramping up your risk tolerance for a bit.

For you as a long-term player, it's usually better to stick to your course with consistent risk levels or get a tad more conservative after major wins, rather than letting this effect take over. This effect even shows up with company stock options; during the dot-com boom, some employees held onto options too long, expecting them to keep multiplying, only to lose everything when the bubble burst in 2000.

The House Money Effect vs. Letting Winners Ride

You should distinguish this from 'letting winners ride,' which technical analysts use. They manage risk by selling half a position after hitting an initial target, then adjusting stops to let the rest potentially grow. Many traders do something similar to capture big moves without getting emotional, staying true to letting winners ride but avoiding the house money pitfall.

The key difference is calculation—letting winners ride in a structured position-sizing strategy compounds gains effectively, and some successful traders have shown how it worked for them.

What Is Meant by Risk Tolerance?

Risk tolerance is simply how much risk you're willing to handle in trading or investing. If you have high tolerance, you're fine with assets or strategies that could lose big but also gain big. Low tolerance means you stick to safer options to avoid losses. Generally, younger folks like you might have higher tolerance since you have time to recover, while retirees focus on preserving capital and keep it low.

Is Volatility Good for Trading?

Yes, volatility is good for trading because it creates bigger price swings, opening doors for above-average profits. But remember, it also heightens loss risks, with those losses potentially larger due to extreme movements. In short, volatility provides trading chances, for better or worse.

What Is the Capital Gains Tax on Investment Profits?

If you hold an investment under a year, profits get taxed at your regular income rate. Hold longer than a year, and it's the capital gains rate—0%, 15%, or 20%, depending on your bracket.

Other articles for you

What Is a Reinvestment Rate?
What Is a Reinvestment Rate?

The reinvestment rate refers to the interest earned when reinvesting cash flows from fixed-income investments, impacted by risks like interest rate fluctuations.

What Is the Weighted Average Market Capitalization?
What Is the Weighted Average Market Capitalization?

The weighted average market capitalization is a method for constructing stock market indexes where larger companies have more influence based on their market size.

What Is a Reverse Stock Split?
What Is a Reverse Stock Split?

A reverse stock split consolidates existing shares into fewer, higher-priced ones to boost share price without changing the company's overall value.

What Is an Intangible Asset?
What Is an Intangible Asset?

Intangible assets are non-physical resources like patents and goodwill that hold significant value for businesses despite lacking physical form.

Is It Worth It To Cash in Old Stock Certificates?
Is It Worth It To Cash in Old Stock Certificates?

This guide explains how to research and potentially cash in old stock certificates by identifying key details and contacting relevant parties.

What Is Seasonality?
What Is Seasonality?

Seasonality refers to predictable annual patterns in business and economic data that influence decisions on inventory, staffing, and analysis.

What Is the Expenditure Method?
What Is the Expenditure Method?

The expenditure method calculates GDP by summing up total spending on consumption, investment, government purchases, and net exports.

What Was the Hope Credit?
What Was the Hope Credit?

The Hope Scholarship Tax Credit was a nonrefundable education tax credit for the first two years of college, replaced by the American Opportunity Tax Credit in 2009.

What Is an Account in Trust?
What Is an Account in Trust?

An account in trust is a financial setup where a trustee manages assets for a beneficiary according to specified terms.

What Is a Warehouse-to-Warehouse Clause?
What Is a Warehouse-to-Warehouse Clause?

A warehouse-to-warehouse clause provides insurance coverage for goods during transit from one warehouse to another, excluding pre- and post-transit periods.

Follow Us

Share



by using this website you agree to our Cookies Policy

Copyright © Info Gulp 2025