Selling short

Selling short, or short selling, is a trading strategy where an investor borrows shares of a stock or another asset and sells them on the market with the expectation of buying them back at a lower price to profit from the price decline.
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Updated on Jun 10, 2024
Reading time 5 minutes

3 key takeaways

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  • Selling short involves borrowing shares to sell at the current market price, aiming to repurchase them later at a lower price and pocket the difference.
  • Short selling carries significant risk, including unlimited potential losses, as there is no cap on how high the asset price can rise.
  • Short selling can be a useful strategy for hedging against market downturns or for speculative purposes, but it requires careful risk management and market analysis.

What is selling short?

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Selling short is a trading technique used to profit from a decline in the price of an asset, typically stocks. In a short sale, an investor borrows shares from a broker and sells them at the current market price. The investor later repurchases the shares at a lower price, returns them to the lender, and retains the difference as profit. If the asset’s price rises instead of falling, the investor incurs a loss when they repurchase the shares at a higher price.

Importance and uses of selling short

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Short selling serves several important purposes in the financial markets:

Profit from declining prices

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Short selling allows investors to profit from anticipated decreases in asset prices, providing opportunities for gains even in bearish markets.

Hedging

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Investors and portfolio managers use short selling to hedge against potential losses in their portfolios. By shorting a stock or sector expected to decline, they can offset potential losses from other investments.

Market efficiency

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Short selling contributes to market efficiency by enabling price discovery and correcting overvalued stocks. Short sellers often identify and expose overvalued or fraudulent companies, helping maintain market integrity.

These functions highlight the strategic importance of short selling in various market conditions.

How short selling works

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The process of short selling involves several steps:

Borrowing shares

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The investor borrows shares from a broker, usually from the broker’s inventory or from other clients’ holdings.

Selling shares

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The investor sells the borrowed shares at the current market price, hoping the price will decline.

Repurchasing shares

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If the price drops as expected, the investor buys back the shares at the lower price.

Returning shares

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The investor returns the repurchased shares to the broker, keeping the difference between the selling price and the repurchase price as profit.

If the price rises instead of falling, the investor must buy back the shares at a higher price, resulting in a loss.

Risks and challenges of selling short

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Short selling involves significant risks and challenges:

Unlimited losses

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Unlike buying stocks, where the maximum loss is the amount invested, short selling carries the risk of unlimited losses because there is no cap on how high the stock price can rise.

Margin requirements

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Short sellers must maintain margin accounts, which require them to keep a certain percentage of the short sale’s value in the account as collateral. If the stock price rises, the broker may issue a margin call, requiring additional funds to cover potential losses.

Borrowing costs

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Short sellers must pay interest on the borrowed shares and may incur other fees, reducing their overall profit.

Market risks

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Unexpected market events, such as positive news or market rallies, can cause stock prices to rise, leading to significant losses for short sellers.

Managing these risks requires careful planning, monitoring, and risk management strategies.

Examples and case studies

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Example 1: Short selling a stock

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An investor believes that Company XYZ’s stock, currently trading at $100, is overvalued and will decline in price. The investor borrows 100 shares of XYZ and sells them for $100 each, receiving $10,000. If the stock price drops to $80, the investor buys back 100 shares for $8,000 and returns them to the lender, making a $2,000 profit (minus any borrowing costs and fees).

Example 2: The GameStop short squeeze

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In early 2021, GameStop’s stock experienced a dramatic short squeeze. Many institutional investors had heavily shorted the stock, betting on its decline. However, a coordinated effort by retail investors on social media platforms drove the stock price up, forcing short sellers to cover their positions by buying back shares at significantly higher prices. This caused substantial losses for short sellers and highlighted the risks associated with short selling in volatile markets.

These examples illustrate both the potential profitability and risks of short selling.

Regulatory and ethical considerations

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Short selling is subject to various regulations and ethical considerations:

Regulation

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Financial regulators, such as the SEC in the United States, impose rules to ensure fair and transparent short selling practices. These regulations include disclosure requirements, restrictions on naked short selling (selling shares without borrowing them first), and measures to prevent market manipulation.

Ethical considerations

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While short selling can expose overvalued or fraudulent companies, it can also be perceived as contributing to market volatility or profiting from a company’s misfortune. Ethical short sellers focus on identifying genuine overvaluations or malpractices rather than exploiting temporary market weaknesses.

Understanding and adhering to these regulatory and ethical standards is crucial for responsible short selling.

Short selling is a powerful trading strategy that allows investors to profit from declining asset prices and hedge against potential losses. However, it involves significant risks, including unlimited potential losses and margin requirements.


Sources & references

James Knight

James Knight

Editor of Education

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James is the Editor of Education for Invezz, where he covers topics from across the financial world, from the stock market, to cryptocurrency, to macroeconomic markets. His main focus is on improving financial literacy among casual investors. He has been with Invezz since the start of 2021 and has been...