Innovator Power Buffer Step-Up Strategy ETF (PSTP) Short Interest Ratio & Short Volume

Short interest is the volume of Innovator Power Buffer Step-Up Strategy ETF shares that have been sold short but have not yet been covered or closed out. As of May 15th, investors have sold 34,800 shares of PSTP short. Learn More on Innovator Power Buffer Step-Up Strategy ETF's 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. PSTP shares currently have a short interest ratio of 4.0. Learn More on Innovator Power Buffer Step-Up Strategy ETF's short interest ratio.

Innovator Power Buffer Step-Up Strategy ETF saw a increase in short interest during the month of May. As of May 15th, there was short interest totaling 34,800 shares, an increase of 94.4% from the previous total of 17,900 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 Innovator Power Buffer Step-Up Strategy ETF: Brandywine GLOBAL Dynamic US Large Cap Value ETF (0.02%), Invesco Bloomberg MVP Multi-factor ETF (0.02%), NYLI Winslow Large Cap Growth ETF (0.80%), AdvisorShares Dorsey Wright FSM US Core ETF (0.03%), AB US Low Volatility Equity ETF (0.22%), Adaptiv Select ETF (0.09%), Parametric Hedged Equity ETF (0.26%), ALPS Level Four Large Cap Growth Active ETF (0.01%), Simplify US Equity PLUS Upside Convexity ETF (0.04%), Direxion Daily Magnificent 7 Bull 2X Shares (0.69%),

As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($29.20 billion), Strategy Incorporated ($10.88 billion), iShares 20+ Year Treasury Bond ETF ($10.04 billion), Capital One Financial Co. ($5.51 billion), Charter Communications, Inc. ($5.00 billion), Super Micro Computer, Inc. ($4.43 billion), Apollo Global Management, Inc. ($4.02 billion), Hims & Hers Health, Inc. ($3.65 billion), VanEck Semiconductor ETF ($3.27 billion), and Coinbase Global, Inc. ($3.10 billion). View all of the most shorted stocks.

Short selling PSTP is an investing strategy that aims to generate trading profit from Innovator Power Buffer Step-Up Strategy ETF as its price is falling. PSTP shares are trading up $0.19 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 Innovator Power Buffer Step-Up Strategy 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 PSTP, 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 PSTP, twice per month. The most recent reporting period available is May, 15 2025.