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

Calamos S&P 500 Structured Alt Protection ETF - May logo
$28.14 +0.05 (+0.18%)
As of 04:10 PM Eastern

Calamos S&P 500 Structured Alt Protection ETF - May Short Interest Data

Calamos S&P 500 Structured Alt Protection ETF - May (CPSM) has a short interest of 1,800 shares, representing 0.08% of the float (the number of shares available for trading by the public). This marks a -82.35% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.2, indicating that it would take 0.2 days of the average trading volume of 13,611 shares to cover all short positions.

Current Short Interest
1,800 shares
Previous Short Interest
10,200 shares
Change Vs. Previous Month
-82.35%
Dollar Volume Sold Short
$50.33 thousand
Short Interest Ratio
0.2 Days to Cover
Last Record Date
July 31, 2025
Outstanding Shares
2,300,000 shares
Short Percent of Float
0.08%
Today's Trading Volume
25,314 shares
Average Trading Volume
13,611 shares
Today's Volume Vs. Average
186%
Short Selling Calamos S&P 500 Structured Alt Protection ETF - May?
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Skip Charts & View Short Interest History

CPSM Short Interest Over Time

CPSM Days to Cover Over Time

CPSM Percentage of Float Shorted Over Time

Calamos S&P 500 Structured Alt Protection ETF - May Short Interest History

Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
7/31/20251,800 shares $50.33 thousand -82.4%0.1%0.2 $27.96
7/15/202510,200 shares $284.48 thousand -65.3%N/A0.6 $27.89
6/30/202529,400 shares $819.08 thousand -23.8%1.3%1.4 $27.86
6/15/202538,600 shares $1.07 million +66.4%1.7%1.6 $27.68
5/31/202523,200 shares $639.86 thousand +16.6%1.0%1 $27.58
5/15/202519,900 shares $549.04 thousand +87.7%N/A0.9 $27.59
4/30/202510,600 shares $290.12 thousand -37.3%N/A0.5 $27.37
4/15/202516,900 shares $448.53 thousand +428.1%N/A1.1 $26.54
3/14/20257,400 shares $198.32 thousand -26.0%N/A1 $26.80
2/28/202510,000 shares $270.60 thousand +150.0%N/A1.3 $27.06
2/14/20254,000 shares $108.16 thousand -11.1%N/A0.5 $27.04
1/31/20254,500 shares $121.23 thousand -40.0%N/A0.4 $26.94
1/15/20257,500 shares $201.45 thousand +15.4%N/A0.8 $26.86

CPSM Short Interest - Frequently Asked Questions

What is Calamos S&P 500 Structured Alt Protection ETF - May's current short interest?

Short interest is the volume of Calamos S&P 500 Structured Alt Protection ETF - May shares that have been sold short but have not yet been covered or closed out. As of July 31st, traders have sold 1,800 shares of CPSM short. 0.08% of Calamos S&P 500 Structured Alt Protection ETF - May's shares are currently sold short. Learn More on Calamos S&P 500 Structured Alt Protection ETF - May's current short interest.

What is a good short interest percentage for Calamos S&P 500 Structured Alt Protection ETF - May?

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. 0.08% of Calamos S&P 500 Structured Alt Protection ETF - May's floating shares are currently sold short.

Is Calamos S&P 500 Structured Alt Protection ETF - May's short interest increasing or decreasing?

Calamos S&P 500 Structured Alt Protection ETF - May saw a decline in short interest in July. As of July 31st, there was short interest totaling 1,800 shares, a decline of 82.4% from the previous total of 10,200 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.

How does Calamos S&P 500 Structured Alt Protection ETF - May's short interest compare to its competitors?

0.08% of Calamos S&P 500 Structured Alt Protection ETF - May's shares are currently sold short. Here is how the short interest of companies compare to Calamos S&P 500 Structured Alt Protection ETF - May: AllianzIM U.S. Large Cap Buffer10 Oct ETF (0.21%), Principal Quality ETF (0.36%), ProShares S&P 500 Ex-Energy ETF (0.19%), BNY Mellon Emerging Markets Equity ETF (1.68%), ProShares S&P 500 EX-Financials ETF (0.02%), Xtrackers Russell 1000 US QARP ETF (1.92%), iShares Large Cap Value Active ETF (0.51%), Putnam Focused Large Cap Growth ETF (0.02%), Direxion Daily S&P 500 High Beta Bull 3X Shares (4.48%), Innovator Buffer Step-Up Strategy ETF (0.42%),

Which stocks are the most shorted right now?

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks.

What does it mean to sell short Calamos S&P 500 Structured Alt Protection ETF - May stock?

Short selling CPSM is an investing strategy that aims to generate trading profit from Calamos S&P 500 Structured Alt Protection ETF - May as its price is falling. CPSM 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.

How does a short squeeze work against Calamos S&P 500 Structured Alt Protection ETF - May?

A short squeeze for Calamos S&P 500 Structured Alt Protection ETF - May 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 CPSM, which in turn drives the price of the stock up even further.

How often is Calamos S&P 500 Structured Alt Protection ETF - May's short interest reported?

Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including CPSM, twice per month. The most recent reporting period available is July, 31 2025.




This page (NYSEARCA:CPSM) was last updated on 8/28/2025 by MarketBeat.com Staff
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