Cardiovascular Systems Short Interest Ratio and Short Volume

+0.66 (+1.88 %)
(As of 09/15/2021 12:00 AM ET)
Today's Range
50-Day Range
52-Week Range
Volume158,967 shs
Average Volume212,328 shs
Market Capitalization$1.44 billion
P/E RatioN/A
Dividend YieldN/A

Cardiovascular Systems (NASDAQ:CSII) Short Interest Data

Current Short Volume1,570,000 shares
Previous Short Volume1,730,000 shares
Change Vs. Previous Month-9.25%
Dollar Volume Sold Short$56.19 million
Short Interest Ratio / Days to Cover7.3
Last Record DateAugust, 31 2021
Outstanding Shares40,208,000 shares
Float Size38,830,000 shares
Short Percent of Float4.04%
Today's Trading Volume158,967 shares
Average Trading Volume212,328 shares
Today's Volume Vs. Average-25.13%

Short Interest Over Time

Days to Cover Over Time

Percentage of Float Shorted Over Time

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Cardiovascular Systems (NASDAQ:CSII) Short Interest History

Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
8/31/20211,570,000 shares $56.19 million -9.3%4.0%7.3 $35.79
8/13/20211,730,000 shares $62.40 million +11.6%4.5%7.9 $36.07
7/30/20211,550,000 shares $62.45 million +16.5%4.0%6.6 $40.29
7/15/20211,330,000 shares $47.88 million +18.8%3.4%6.1 $36.00
6/30/20211,120,000 shares $47.77 million -8.2%2.9%5.7 $42.65
6/15/20211,220,000 shares $48.86 million +5.2%3.1%6.3 $40.05
5/28/20211,160,000 shares $45.46 million +2.7%3.0%5.8 $39.19
5/14/20211,130,000 shares $40.27 million -0.9%N/A5.8 $35.64
4/30/20211,140,000 shares $46.38 million No ChangeN/A6 $40.68
4/15/20211,140,000 shares $43.24 million +0.9%N/A5.6 $37.93
3/31/20211,130,000 shares $42.14 million -8.1%N/A5.4 $37.29
3/15/20211,230,000 shares $51.56 million -7.5%N/A5.2 $41.92
2/26/20211,330,000 shares $55.02 million -7.6%N/A5.3 $41.37
2/12/20211,440,000 shares $62.21 million +15.2%N/A5.4 $43.20
1/29/20211,250,000 shares $57.40 million -0.8%N/A4.3 $45.92
1/15/20211,260,000 shares $57.53 million +0.8%N/A4.5 $45.66
12/31/20201,250,000 shares $54.71 million -10.7%N/A4.5 $43.77
12/15/20201,400,000 shares $52.74 million +41.2%N/A4.8 $37.67
11/30/2020991,400 shares $35.09 million +10.7%N/A3.1 $35.39
11/15/2020895,700 shares $32.50 million -8.8%N/A2.7 $36.29
10/30/2020982,200 shares $35.52 million -9.1%N/A3 $36.16
10/15/20201,080,000 shares $39.71 million -26.0%N/A3.3 $36.77
9/30/20201,460,000 shares $57.45 million +10.6%N/A4.1 $39.35
9/15/20201,320,000 shares $45.84 million -2.2%N/A3.7 $34.73
8/31/20201,350,000 shares $44.10 million +13.5%N/A3.5 $32.67

Institutional Investors Shorting Cardiovascular Systems (NASDAQ:CSII)

This table shows institutional investors, funds, and major shareholders that have reported short positions as of their most recent reporting period. Most commonly, these investors have purchased put options on shares of Cardiovascular Systems. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.

Reporting DateInvestor NameShares Shorted (Previous)Shares Shorted (Current)Position ChangePosition Size
8/12/2021Simplex Trading LLC1100+9,900.0%$4.00
8/11/2021Susquehanna International Group LLP68,90023,900-65.3%$1,019.00

Cardiovascular Systems (NASDAQ:CSII) Short Interest FAQ

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What is Cardiovascular Systems' current short interest?

Short interest is the volume of Cardiovascular Systems shares that have been sold short but have not yet been covered or closed out. As of August 31st, traders have sold 1,570,000 shares of CSII short. 4.04% of Cardiovascular Systems' shares are currently sold short. Learn More on Cardiovascular Systems' current short interest.

What is a good short interest ratio for Cardiovascular Systems?

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. Cardiovascular Systems currently has a short interest ratio of 7.0. Learn More on a good short interest ratio for Cardiovascular Systems

Which institutional investors are shorting Cardiovascular Systems?

As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Cardiovascular Systems: Simplex Trading LLC, and Susquehanna International Group LLP. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.

What is a good short interest percentage for Cardiovascular Systems?

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. 4.04% of Cardiovascular Systems' floating shares are currently sold short.

Is Cardiovascular Systems' short interest increasing or decreasing?

Cardiovascular Systems saw a decline in short interest during the month of August. As of August 31st, there was short interest totaling 1,570,000 shares, a decline of 9.2% from the previous total of 1,730,000 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.

What is Cardiovascular Systems' float size?

Cardiovascular Systems currently has issued a total of 40,208,000 shares. Some of Cardiovascular Systems' 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. Cardiovascular Systems currently has a public float of 38,830,000 shares.

How does Cardiovascular Systems' short interest compare to its competitors?

4.04% of Cardiovascular Systems' shares are currently sold short. Here is how the short interest of companies in the sub-industry of "health care equipment" compare to Cardiovascular Systems: Abbott Laboratories (0.58%), Medtronic plc (0.79%), Intuitive Surgical, Inc. (1.03%), Stryker Co. (0.97%), Edwards Lifesciences Co. (0.98%), Becton, Dickinson and Company (1.31%), Boston Scientific Co. (1.42%), IDEXX Laboratories, Inc. (1.25%), DexCom, Inc. (4.05%), and ResMed Inc. (0.76%).

Which stocks are the most shorted right now?

As of the most recent reporting period, the following stocks had the largest short interest positions: Square, Inc. ($9.81 billion), S&P Global Inc. ($7.52 billion), Advanced Micro Devices, Inc. ($7.18 billion), Charter Communications, Inc. ($6.21 billion), Wayfair Inc. ($4.60 billion), Zoom Video Communications, Inc. ($3.23 billion), Uber Technologies, Inc. ($3.11 billion), Palo Alto Networks, Inc. ($2.74 billion), Teladoc Health, Inc. ($2.52 billion), and Etsy, Inc. ($2.16 billion). View all of the most shorted stocks.

What does it mean to sell short Cardiovascular Systems stock?

Short selling CSII is an investing strategy that aims to generate trading profit from Cardiovascular Systems as its price is falling. Cardiovascular Systems' stock is trading up $0.66 today. To short Cardiovascular Systems 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 Cardiovascular Systems 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 Cardiovascular Systems?

A short squeeze for Cardiovascular Systems 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 CSII, which in turn drives the price of the stock up even further.

How often is Cardiovascular Systems' 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 CSII, twice per month. The most recent reporting period available is August, 31 2021.

This page was last updated on 9/16/2021 by Staff
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