Calamos S&P 500 Structured Alt Protection ETF - August (CPSA) Short Interest Ratio & Short Volume

Short interest is the volume of Calamos S&P 500 Structured Alt Protection ETF - August shares that have been sold short but have not yet been covered or closed out. As of September 30th, investors have sold 24,100 shares of CPSA short. Learn More on Calamos S&P 500 Structured Alt Protection ETF - August'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. CPSA shares currently have a short interest ratio of 2.0. Learn More on Calamos S&P 500 Structured Alt Protection ETF - August's short interest ratio.

Calamos S&P 500 Structured Alt Protection ETF - August saw a decline in short interest in September. As of September 30th, there was short interest totaling 24,100 shares, a decline of 24.7% from the previous total of 32,000 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.

Here is how the short interest of companies compare to Calamos S&P 500 Structured Alt Protection ETF - August: Defiance Large Cap ex-Mag 7 ETF (0.97%), Hartford US Quality Growth ETF (0.07%), Bancreek International Large Cap ETF (0.22%), Calamos Nasdaq - 100 Structured Alt Protection ETF - June (0.01%), Touchstone International Equity ETF (0.52%), Global X S&P 500 Risk Managed Income ETF (0.13%), First Trust New Constructs Core Earnings Leaders ETF (0.14%), Calamos S&P 500 Structured Alt Protection ETF - July (0.03%), SGI Enhanced Nasdaq-100 ETF (0.02%), AllianzIM U.S. Large Cap Buffer10 Apr ETF (0.07%),

As of the most recent reporting period, the following stocks had the largest short interest positions: AppLovin Corporation ($15.71 billion), Robinhood Markets, Inc. ($7.56 billion), Reddit Inc. ($4.55 billion), Coinbase Global, Inc. ($4.53 billion), CoreWeave Inc. ($4.43 billion), Charter Communications, Inc. ($4.07 billion), Seagate Technology Holdings PLC ($3.94 billion), IonQ, Inc. ($3.78 billion), TC Energy Corporation ($3.13 billion), and Live Nation Entertainment, Inc. ($3.12 billion). View all of the most shorted stocks.

Short selling CPSA is an investing strategy that aims to generate trading profit from Calamos S&P 500 Structured Alt Protection ETF - August as its price is falling. CPSA shares are trading up $0.05 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 Calamos S&P 500 Structured Alt Protection ETF - August 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 CPSA, 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 CPSA, twice per month. The most recent reporting period available is September, 30 2025.