iShares Prime Money Market ETF (PMMF) Short Interest Ratio & Short Volume

Short interest is the volume of iShares Prime Money Market ETF shares that have been sold short but have not yet been closed out or covered. As of September 15th, traders have sold 26,400 shares of PMMF short. Learn More on iShares Prime Money Market ETF's current short interest.

iShares Prime Money Market ETF saw a increase in short interest in the month of September. As of September 15th, there was short interest totaling 26,400 shares, an increase of 654.3% from the previous total of 3,500 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.

Here is how the short interest of companies compare to iShares Prime Money Market ETF: NYLI MacKay Municipal Insured ETF (0.26%), Hartford Schroders Tax-Aware Bond ETF (0.44%), Congress Intermediate Bond ETF (0.15%), Invesco BulletShares 2034 Corporate Bond ETF (0.33%), Simplify Aggregate Bond ETF (0.20%), SP Funds Dow Jones Global Sukuk ETF (0.16%), Tcw Aaa Clo Etf (0.08%), Invesco BulletShares 2026 Municipal Bond ETF (0.25%), Fidelity Low Duration Bond ETF (0.19%), Amplify Samsung SOFR ETF (0.61%),

As of the most recent reporting period, the following stocks had the largest short interest positions: AppLovin Corporation ($8.81 billion), Canadian Natural Resources Limited ($5.82 billion), Reddit Inc. ($5.19 billion), Coinbase Global, Inc. ($4.52 billion), Robinhood Markets, Inc. ($4.30 billion), Charter Communications, Inc. ($3.75 billion), CoreWeave Inc. ($3.66 billion), Seagate Technology Holdings PLC ($3.57 billion), Live Nation Entertainment, Inc. ($3.33 billion), and Rocket Lab Corporation ($3.26 billion). View all of the most shorted stocks.

Short selling PMMF is an investing strategy that aims to generate trading profit from iShares Prime Money Market ETF as its price is falling. PMMF shares are trading up $0.01 today. 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 iShares Prime Money Market ETF occurs when it has a large amount of short interest and its stock appreciates in price. This forces short sellers to cover their short interest positions by buying actual shares of PMMF, 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 PMMF, twice per month. The most recent reporting period available is September, 15 2025.