Paratek Pharmaceuticals (PRTK) Short Interest Ratio & Short Volume

Short interest is the volume of Paratek Pharmaceuticals shares that have been sold short but have not yet been closed out or covered. As of August 31st, investors have sold 2,640,000 shares of PRTK short. 6.11% of Paratek Pharmaceuticals' shares are currently sold short. Learn More on Paratek Pharmaceuticals' current short interest.

The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. PRTK shares currently have a short interest ratio of 5.0. Learn More on Paratek Pharmaceuticals's short interest ratio.

Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 6.11% of Paratek Pharmaceuticals' floating shares are currently sold short.

Paratek Pharmaceuticals saw a drop in short interest during the month of August. As of August 31st, there was short interest totaling 2,640,000 shares, a drop of 6.7% from the previous total of 2,830,000 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment.

Paratek Pharmaceuticals currently has issued a total of 57,320,000 shares. Some of Paratek Pharmaceuticals' outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Paratek Pharmaceuticals currently has a public float of 43,180,000 shares.

6.11% of Paratek Pharmaceuticals' shares are currently sold short. Here is how the short interest of companies compare to Paratek Pharmaceuticals: Omeros Co. (19.31%), Nektar Therapeutics (4.54%), Assembly Biosciences, Inc. (0.47%), Cumberland Pharmaceuticals Inc. (1.82%), Eli Lilly and Company (0.76%), Johnson & Johnson (0.87%), AbbVie Inc. (0.96%), Merck & Co., Inc. (1.67%), Pfizer Inc. (1.90%), Bristol-Myers Squibb (1.48%),

As of the most recent reporting period, the following stocks had the largest short interest positions: Charter Communications, Inc. ($3.69 billion), Canadian Natural Resources Limited ($3.67 billion), T-Mobile US, Inc. ($3.56 billion), Suncor Energy Inc. ($3.20 billion), Occidental Petroleum Co. ($3.19 billion), Celsius Holdings, Inc. ($2.09 billion), Tractor Supply ($2.08 billion), Moderna, Inc. ($2.04 billion), Royal Caribbean Cruises Ltd. ($2.00 billion), and Rivian Automotive, Inc. ($1.96 billion). View all of the most shorted stocks.

Short selling PRTK is an investing strategy that aims to generate trading profit from Paratek Pharmaceuticals as its price is falling. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit.

A short squeeze for Paratek Pharmaceuticals occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of PRTK, which in turn drives the price of the stock up even further.

Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including PRTK, twice per month. The most recent reporting period available is August, 31 2023.