What Is Short Selling in Stock Market? Definition & Example

Learn what short selling is in the stock market, how it works, and the risks associated with it. See an example of short selling in practice.


Short selling is a trading strategy that involves selling securities that the trader does not own, with the expectation that the price of the securities will fall. The trader borrows the securities from a broker and sells them on the market, hoping to buy them back later at a lower price. For example, let's say a trader thinks that the price of a certain stock is going to drop. The trader could borrow shares of that stock from a broker, sell them on the market, and then buy the shares back at a lower price to return to the broker. The difference between the price the trader sold the stock for and the price the trader bought it back for is the trader's profit.

How Short Selling Works:

  1. Borrowing Securities: The process begins when a trader identifies a stock or another security they believe will decrease in value. The trader borrows the shares from a brokerage, which typically has these shares either in its inventory, from another client's portfolio, or from another brokerage firm.

  2. Selling Borrowed Securities: Once borrowed, the trader sells the securities at the current market price. It's important to emphasize that these shares are not owned by the trader; they are merely loaned for the purpose of the trade.

  3. Repurchasing Securities: The trader waits for the security's price to fall as anticipated. If this occurs, the trader buys the same number of shares back at the lower price.

  4. Returning the Shares: After repurchasing them, the trader returns the shares to the broker (closing the short position). The trader's profit is the difference between the selling price at the beginning of the transaction and the cost to repurchase the shares, minus any brokerage fees and interest charged by the broker for borrowing the shares.

Example of Short Selling in Practice:

Suppose a trader speculates that Company XYZ, currently trading at $50 per share, is overvalued and is likely to decline. The trader decides to short sell 100 shares. Here’s how it might unfold:

  • The trader borrows 100 shares of XYZ and sells them at the current price of 50/share,resultingin50/share, resulting in 5,000 from the sale (excluding transaction costs).
  • As predicted, the price of XYZ drops to 40/share.Thetraderthenbuysbackthe100sharesatthispricefor40/share. The trader then buys back the 100 shares at this price for 4,000.
  • The trader returns the 100 shares to their broker. The profit from this operation is 1,000(1,000 (5,000 - $4,000), minus any fees or interest.

Risks Associated with Short Selling:

While short selling can be lucrative, it carries significant risks:

  • Unlimited Losses: Unlike buying shares (where the maximum loss is the initial investment if the share price drops to zero), short selling has theoretically unlimited loss potential, as there's no cap on how high a stock's price can rise.
  • Margin Calls: Short selling is done using a margin account. If the security's price moves opposite to the trader's bet (upwards), the broker may require additional funds (margin) to maintain the position, leading to a margin call.
  • Forced Buy-In: If the broker needs to return the borrowed shares to the owner, it might force the trader to buy back the shares at an inopportune time, potentially at a high price.
  • Regulatory and Market Risks: Short sellers also face legal and regulatory risks, including restrictions on short selling during certain market conditions.

Conclusion:

Short selling requires careful consideration of the securities in question, meticulous risk management, and close monitoring of market conditions. Traders who engage in short selling must be prepared for the possibility of significant losses and should consider the strategy as part of a diversified investment approach. Due to its complexities and risks, short selling is more suited to experienced traders and investors.