What Happened?

In January 2021, a coordinated effort by retail investors, largely organized through the subreddit r/wallstreetbets, triggered a massive short squeeze in the stock of GameStop (GME), a struggling video game retailer. This event sent shockwaves through the financial world, exposing vulnerabilities in the short-selling practices of hedge funds and raising questions about market manipulation and the power of online communities.

Understanding the Players and the Setup

GameStop, once a dominant force in the physical video game market, faced declining sales due to the rise of digital downloads. Hedge funds, anticipating further decline, engaged in heavy short selling of GME stock – betting that its price would fall. According to data from S3 Partners, short interest in GameStop reached 141.3% of the float as of January 15, 2021 S3 Partners. This meant that more shares were sold short then actually existed,a practice legal through stock borrowing.

the subreddit r/wallstreetbets, known for its high-risk, speculative trading, identified GameStop as a heavily shorted stock ripe for a short squeeze. A short squeeze occurs when a stock’s price rises unexpectedly, forcing short sellers to buy back shares to cover their positions, further driving up the price in a feedback loop.

The January Surge

Beginning in late January 2021, users of r/wallstreetbets began aggressively buying GameStop stock and call options, increasing demand and pushing the price higher. On January 22, 2021, GME closed at $145.09, a notable increase from its $17.25 closing price on January 4, 2021 CNBC. The price continued to climb, reaching an intraday high of $483 on January 28, 2021 Reuters.

This rapid price increase caused substantial losses for hedge funds that had shorted the stock, most notably Melvin Capital, which reportedly lost nearly $8 billion in January 2021 The Wall Street Journal. Other firms, like Citadel, provided financial support to struggling hedge funds.

Brokerage Restrictions and Backlash