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Short Selling

Short Selling, often simply referred to as “shorting,” is a trading strategy where an investor sells an asset they do not own, with the anticipation that its price will decline. The goal is to later buy back the asset at a lower price, returning it to the lender and profiting from the difference.

Short Selling Illustration

How Short Selling Works

  1. Borrowing the Asset: To initiate a short sale, a trader borrows shares (or another asset) from a broker or a third party, typically facilitated through a margin account.
  2. Selling the Asset: Once borrowed, the trader immediately sells the asset in the open market at the current price.
  3. Buying Back and Returning: If the asset’s price drops as anticipated, the trader can buy it back at the reduced price. After repurchasing, the asset is returned to the lender, and the trader keeps the difference as profit. If the asset’s price rises, the trader incurs a loss.

Key Considerations

  • Unlimited Potential Losses: Unlike traditional investing, where the maximum loss is the invested amount, short selling has theoretically unlimited potential losses, since there’s no upper limit to how high an asset’s price might go.
  • Dividend and Interest Costs: If the asset being shorted offers dividends, the short seller is typically responsible for paying those dividends to the lender. Also, interest may be charged on the borrowed funds or securities.
  • Regulatory Restrictions: Some markets have rules in place regarding when and how assets can be shorted. For instance, the “uptick rule” requires that short sales are executed at a higher price than the previous trade.
  • Buy-ins: If a broker can’t maintain the required amount of borrowed shares (due to other clients closing their short positions or the lender wanting their shares back), they might force a short seller to cover their position earlier than desired.

Tools and Techniques

  • Technical Analysis: Many short sellers rely on technical analysis to identify potential price declines or weakening trends.
  • Fundamental Analysis: This involves examining a company’s financial health, operations, and industry conditions to determine if it’s overvalued.
  • Stop Orders: Given the risks, short sellers often use stop orders to limit potential losses.

Strengths and Challenges

  • Strengths:
    • Profit Opportunity in Bear Markets: Short selling offers traders and investors a way to profit during market downturns.
    • Portfolio Hedging: Investors can use short selling as a hedge against potential losses in other investments.
  • Challenges:
    • Unlimited Loss Potential: As prices can rise indefinitely, the potential losses on a short sale are also theoretically limitless.
    • Timing: Predicting when a security’s price will decline can be challenging.
    • Costs: The interest and dividends costs can eat into profits.

Ethical and Perception Issues

Short selling can be controversial. Critics argue that aggressive short selling can exacerbate market downturns, while proponents believe short sellers bring liquidity and help uncover overvalued assets, contributing to efficient price discovery.


Short selling is a sophisticated and high-risk strategy primarily suited for experienced traders and investors. While it offers opportunities to profit in declining markets and can serve as a hedge, the potential for substantial losses requires a robust risk management strategy. Before engaging in short selling, one should thoroughly understand the mechanics, costs, and potential pitfalls.

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