A short squeeze occurs when a stock's price rises sharply, forcing short sellers to buy back shares to limit potential losses, which further drives up the price. This phenomenon is typically associated with a high percentage of shares sold short and a low number of days to cover.
Looking at the Fintel data for BioNTech SE (BNTX):
- Short Interest: BNTX has a reported short interest of 6,033,785 shares.1
- Days to Cover: The Short Interest Ratio, or Days to Cover, stands at 7.17 days.1 This metric indicates that it would take approximately 7.17 days for all short sellers to cover their positions, assuming average daily trading volume. While not exceptionally high, a Days to Cover above 5 can suggest that a significant amount of time is needed for short positions to be unwound, potentially exacerbating upward price pressure if a catalyst emerges.
- Off-Exchange Short Volume: The off-exchange short volume for BNTX is 300,418 shares, representing 46.63% of the total off-exchange volume.1 This indicates substantial short selling activity occurring outside traditional exchanges.
While BNTX exhibits a notable level of short interest and a moderately elevated Days to Cover, the potential for a short squeeze also heavily depends on a significant positive catalyst. Investors often monitor the Short Squeeze Score on Fintel, which integrates various factors including short interest, float, and borrow fee rates to assess this risk relative to peers.
