This company has been marked as potentially delisted and may not be actively trading. Acacia Communications (ACIA) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisBuy This Stock Acacia Communications Short Interest DataAcacia Communications (ACIA) has a short interest of 4.57 million shares, representing 12.56% of the float (the number of shares available for trading by the public). This marks a 33.63% increase in short interest from the previous month. The short interest ratio (days to cover) is 3.2, indicating that it would take 3.2 days of the average trading volume of 1.95 million shares to cover all short positions.Current Short Interest4,570,000 sharesPrevious Short Interest3,420,000 sharesChange Vs. Previous Month+33.63%Dollar Volume Sold Short$525.18 millionShort Interest Ratio3.2 Days to CoverLast Record DateFebruary 12, 2021Outstanding Shares42,608,000 sharesFloat Size36,380,000 sharesShort Percent of Float12.56%Today's Trading Volume0 sharesAverage Trading Volume1,945,287 sharesToday's Volume Vs. Average0% Short Selling Acacia Communications? Sign up to receive the latest short interest report for Acacia Communications and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartACIA Short Interest Over TimeACIA Days to Cover Over TimeACIA Percentage of Float Shorted Over Time Acacia Communications Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 2/12/20214,570,000 shares $525.18 million +33.6%12.6%3.2 $114.92 1/29/20213,420,000 shares $390.77 million +26.2%9.4%2.3 $114.26 1/15/20212,710,000 shares $307.96 million +0.4%7.5%1.9 $113.64 12/31/20202,700,000 shares $196.83 million -2.5%7.0%2.6 $72.90 12/15/20202,770,000 shares $194.12 million -15.0%7.1%4.6 $70.08 11/30/20203,260,000 shares $227.25 million +1.6%8.4%5.3 $69.71 11/15/20203,210,000 shares $220.56 million -23.0%8.3%5.5 $68.71 10/30/20204,170,000 shares $282.77 million -18.4%10.8%8.9 $67.81 10/15/20205,110,000 shares $346.97 million +10.4%13.2%10.6 $67.90 9/30/20204,630,000 shares $312.06 million +11.6%12.0%9.4 $67.40 ACIA Short Interest - Frequently Asked Questions What is Acacia Communications' current short interest? Short interest is the volume of Acacia Communications shares that have been sold short but have not yet been closed out or covered. As of February 12th, investors have sold 4,570,000 shares of ACIA short. 12.56% of Acacia Communications' shares are currently sold short. Learn More on Acacia Communications' current short interest. What is a good short interest ratio for Acacia Communications? 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. ACIA shares currently have a short interest ratio of 3.0. Learn More on Acacia Communications's short interest ratio. What is a good short interest percentage for Acacia Communications? 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. 12.56% of Acacia Communications' floating shares are currently sold short. Is Acacia Communications' short interest increasing or decreasing? Acacia Communications saw a increase in short interest during the month of February. As of February 12th, there was short interest totaling 4,570,000 shares, an increase of 33.6% from the previous total of 3,420,000 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 Acacia Communications' float size? Acacia Communications currently has issued a total of 42,608,000 shares. Some of Acacia Communications' 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. Acacia Communications currently has a public float of 36,380,000 shares. How does Acacia Communications' short interest compare to its competitors? 12.56% of Acacia Communications' shares are currently sold short. Here is how the short interest of companies in the sector of "computer and technology" compare to Acacia Communications: VIA optronics AG (0.10%), F5, Inc. (3.38%), Unity Software Inc. (9.59%), Teradyne, Inc. (4.47%), Ciena Corporation (3.43%), GlobalFoundries Inc. (11.37%), United Microelectronics Corporation (2.27%), Logitech International S.A. (4.38%), Rubrik, Inc. (9.12%), Twilio Inc. (6.55%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Aon plc ($5.62 billion), Charter Communications, Inc. ($5.35 billion), Analog Devices, Inc. ($5.07 billion), Snap Inc. ($3.60 billion), Futu Holdings Limited Sponsored ADR ($2.92 billion), Palantir Technologies Inc. ($2.55 billion), Airbnb, Inc. ($2.52 billion), Snowflake Inc. ($2.38 billion), Peloton Interactive, Inc. ($2.34 billion), and The Kroger Co. ($2.07 billion). View all of the most shorted stocks. What does it mean to sell short Acacia Communications stock? Short selling ACIA is an investing strategy that aims to generate trading profit from Acacia Communications as its price is falling. 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 Acacia Communications? A short squeeze for Acacia Communications 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 ACIA, which in turn drives the price of the stock up even further. How often is Acacia Communications' 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 ACIA, twice per month. The most recent reporting period available is February, 12 2021. More Short Interest Resources from MarketBeat Related Companies VIA optronics Short Squeeze F5 Short Squeeze Unity Software Short Squeeze Teradyne Short Squeeze Ciena Short Squeeze GlobalFoundries Short Squeeze United Microelectronics Short Squeeze Logitech International Short Squeeze Rubrik Short Squeeze Twilio Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:ACIA) was last updated on 9/16/2025 by MarketBeat.com Staff From Our PartnersNew Biotech Backed by Proven Incubator Now Open to PublicA successful biotech incubator just opened its next chapter - and you're invited to their raise. 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