Stocks with most short interest are equities where a large percentage of shares available for trading have been sold short, indicating widespread investor pessimism. These positions bet on price declines, and high short interest can signal potential volatility if prices reverse.
Short interest measures how many shares have been borrowed and sold with the expectation they'll be repurchased later at a lower price. When a stock's short interest exceeds 20% of its float, it's considered highly shorted. Such levels often correlate with increased risk of a short squeeze-a rapid price surge triggered by short sellers rushing to cover their positions.
As of April 2024, several stocks stand out for extreme short interest. GameStop (GME) led with 62.3% of its float shorted, followed by AMC Entertainment (AMC) at 58.7%. Other notable names include Nikola (NKLA) at 56.1%, S&P Global (SPGI) at 49.8%, and Tesla (TSLA) at 44.2%. These figures come from the CBOE's daily short interest reports and FINRA's regulatory filings.
Short selling involves borrowing shares from a broker, selling them at market price, and buying them back later at a lower price to return to the lender. The difference between the sell and buy-back price is profit. If the price rises instead, the short seller loses money.
For example, if an investor shorts 1,000 shares of GME at $100 per share, they receive $100,000. If the price drops to $70, they buy back the shares for $70,000 and pocket a $30,000 profit. But if the price jumps to $130, they lose $30,000 and must cover at a loss.
Short interest is reported weekly by the Financial Industry Regulatory Authority (FINRA). The data includes the number of shares sold short and the percentage of the float that's shorted. A high percentage doesn't guarantee a price drop-but it does increase the likelihood of sharp moves if sentiment shifts.
High short interest isn't uniform. It falls into distinct categories based on volume, float size, and market context. The table below outlines common classifications.
| Type | Definition | Example | Implication |
|---|---|---|---|
| Extreme Short Interest | Short interest above 40% of float | GME, AMC, NKLA | High squeeze risk; volatile price swings |
| High Short Interest | 20-40% of float shorted | TSLA, SPGI | Increased sensitivity to news; possible squeeze |
| Moderate Short Interest | 10-20% | MSFT, AAPL | Typical for mature firms; less squeeze risk |
| Low Short Interest | Beneath 10% | BRK.B, JNJ | Stable pricing; long-term focus |
Extreme short interest stocks tend to attract retail traders seeking squeezes. The 2021 GME rally saw a 1,600% price surge in days after short interest peaked. That event remains a benchmark for how short interest can drive momentum.
Not all high short interest leads to a squeeze. Some stocks remain pressured due to weak fundamentals. For example, CVNA short interest reached 46.3% in March 2024, driven by concerns over rental demand and rising lease defaults. Despite that, the stock declined 38% over six months. This shows that short interest alone doesn't predict performance-it must be combined with earnings, guidance, and macro factors.
Many investors assume high short interest equals a guaranteed price collapse. That's incorrect. High short interest reflects sentiment, not outcome. A stock can be heavily shorted and still fall further if fundamentals deteriorate.
Another misconception is that short interest is the same as short interest ratio. They're different. Short interest ratio (also called days to cover) divides short interest by average daily trading volume. A ratio above 10 indicates it would take ten days to cover all short positions at current volume. GME had a ratio of 14.2 in January 2021-meaning it would take over two weeks to cover at normal volume.
A lesser-known fact: short interest can rise during positive news. In October 2023, EVGO (EVGO) reported stronger-than-expected EV charging revenue. Instead of falling, short interest jumped 27% in one week. Why? Traders anticipated a rally and shorted the stock ahead of the move, betting on a pullback after the announcement. This illustrates that short interest can reflect anticipation, not just bearishness.
Consider CVNA short interest. As of March 2024, 46.3% of the float was shorted, with 18.2 million shares sold short. Average daily volume was 4.1 million shares. The short interest ratio was 4.4-meaning it would take nearly five days to cover all short positions at current volume.
That level of short interest made CVNA vulnerable to a squeeze. In early April, the company announced improved fleet utilization and higher rental rates. The stock rose 18% in two days. Short sellers rushed to cover, pushing the price up another 12% in the following session. The total move was 33% in five days.
This sequence demonstrates how short interest creates use. Even modest news can trigger outsized reactions when short positions are large. The same changing played out in 2021 with GME, where a single tweet from a retail trader sparked a 400% rally in hours.
When analyzing stocks with most short interest, don't rely solely on the percentage. Combine it with the short interest ratio, volume, and recent catalysts. A stock with 50% short interest but low volume may not move much. One with 30% short interest and high volume can see explosive gains.
Stocks with most short interest reveal investor sentiment and potential volatility. High levels indicate skepticism, but they also create conditions for rapid price reversals. Not every high short interest stock will experience a squeeze-but those with high short interest ratios and strong catalysts are prime candidates.
Use tools like FINRA's Short Interest Report and CBOE's data to track changes. Monitor both the percentage of float shorted and the days-to-cover ratio. A stock like TSLA, with 44.2% short interest and a ratio of 5.8, sits near the edge of high-risk territory.