This company has been marked as potentially delisted and may not be actively trading. Atlantic Power (AT) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisBuy This Stock Atlantic Power Short Interest DataAtlantic Power (AT) has a short interest of 1.60 million shares, representing 1.87% of the float (the number of shares available for trading by the public). This marks a 7.38% increase in short interest from the previous month. The short interest ratio (days to cover) is 1.2, indicating that it would take 1.2 days of the average trading volume of 1.54 million shares to cover all short positions.Current Short Interest1,600,000 sharesPrevious Short Interest1,490,000 sharesChange Vs. Previous Month+7.38%Dollar Volume Sold Short$4.82 millionShort Interest Ratio1.2 Days to CoverLast Record DateApril 30, 2021Outstanding Shares89,798,000 sharesFloat Size85,530,000 sharesShort Percent of Float1.87%Today's Trading Volume919,051 sharesAverage Trading Volume1,541,704 sharesToday's Volume Vs. Average60% Short Selling Atlantic Power? Sign up to receive the latest short interest report for Atlantic Power and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartAT Short Interest Over TimeAT Days to Cover Over TimeAT Percentage of Float Shorted Over Time Atlantic Power Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/20211,600,000 shares $4.82 million +7.4%1.9%1.2 $3.01 4/15/20211,490,000 shares $4.48 million +12.0%1.7%1.1 $3.01 3/31/20211,330,000 shares $3.76 million +22.0%1.6%0.7 $2.83 3/15/20211,090,000 shares $3.18 million -1.8%1.3%0.7 $2.92 2/26/20211,110,000 shares $3.21 million +18.1%1.3%0.8 $2.89 2/12/2021940,200 shares $2.81 million -8.7%1.1%0.7 $2.99 1/29/20211,030,000 shares $3.05 million +24.9%1.3%1 $2.96 1/15/2021824,800 shares $1.73 million +2.7%1.0%0.8 $2.10 12/31/2020802,900 shares $1.77 million +9.3%0.9%2.3 $2.21 12/15/2020734,400 shares $1.46 million +0.9%0.9%2.5 $1.99 Get the Latest News and Ratings for AT and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Atlantic Power and its competitors with MarketBeat's FREE daily newsletter. 11/30/2020728,000 shares $1.51 million +10.3%0.9%2.8 $2.07 11/15/2020659,800 shares $1.34 million -0.7%0.8%2.6 $2.03 10/30/2020664,700 shares $1.32 million -6.1%0.8%2.6 $1.99 10/15/2020707,600 shares $1.43 million -2.3%0.8%2.6 $2.02 9/30/2020724,200 shares $1.42 million -10.7%0.9%2.3 $1.96 9/15/2020811,300 shares $1.61 million +4.2%1.0%1.5 $1.99 8/31/2020778,400 shares $1.61 million -6.0%0.9%1.2 $2.07 8/14/2020827,700 shares $1.78 million -10.5%0.9%1.2 $2.15 7/31/2020924,900 shares $1.81 million -8.4%1.1%1.3 $1.96 7/15/20201,010,000 shares $2.08 million +1.1%1.1%1.4 $2.06 6/30/2020999,400 shares $2.00 million -10.0%1.1%1.3 $2.00 6/15/20201,110,000 shares $2.22 million +1.8%1.2%1.9 $2.00 5/29/20201,090,000 shares $2.29 million +1.9%1.2%1.8 $2.10 5/15/20201,070,000 shares $2.02 million +30.9%1.2%1.8 $1.89 AT Short Interest - Frequently Asked Questions What is Atlantic Power's current short interest? Short interest is the volume of Atlantic Power shares that have been sold short but have not yet been covered or closed out. As of April 30th, investors have sold 1,600,000 shares of AT short. 1.87% of Atlantic Power's shares are currently sold short. Learn More on Atlantic Power's current short interest. What is a good short interest ratio for Atlantic Power? 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. AT shares currently have a short interest ratio of 1.0. Learn More on Atlantic Power's short interest ratio. What is a good short interest percentage for Atlantic Power? 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. 1.87% of Atlantic Power's floating shares are currently sold short. Is Atlantic Power's short interest increasing or decreasing? Atlantic Power saw a increase in short interest during the month of April. As of April 30th, there was short interest totaling 1,600,000 shares, an increase of 7.4% from the previous total of 1,490,000 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 Atlantic Power's float size? Atlantic Power currently has issued a total of 89,798,000 shares. Some of Atlantic Power's 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. Atlantic Power currently has a public float of 85,530,000 shares. How does Atlantic Power's short interest compare to its competitors? 1.87% of Atlantic Power's shares are currently sold short. Here is how the short interest of companies compare to Atlantic Power: Genie Energy Ltd. (1.31%), NRG Energy, Inc. (3.20%), The AES Co. (3.96%), Ormat Technologies, Inc. (4.36%), MGE Energy, Inc. (2.63%), Unitil Co. (0.92%), Grupo Televisa, S.A.B. (1.09%), Shenandoah Telecommunications (3.99%), The York Water Company (0.89%), Consolidated Water Co. Ltd. (3.41%), 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 ($6.19 billion), Charter Communications, Inc. ($5.76 billion), Analog Devices, Inc. ($5.70 billion), S&P Global Inc. ($5.03 billion), Airbnb, Inc. ($4.01 billion), Snap Inc. ($3.54 billion), Nuance Communications, Inc. ($2.72 billion), Expedia Group, Inc. ($2.31 billion), The Kroger Co. ($2.25 billion), and GameStop Corp. ($2.05 billion). View all of the most shorted stocks. What does it mean to sell short Atlantic Power stock? Short selling AT is an investing strategy that aims to generate trading profit from Atlantic Power 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 Atlantic Power? A short squeeze for Atlantic Power 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 AT, which in turn drives the price of the stock up even further. How often is Atlantic Power'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 AT, twice per month. The most recent reporting period available is April, 30 2021. More Short Interest Resources from MarketBeat Related Companies Genie Energy Short Interest Data NRG Energy Short Interest Data AES Short Interest Data Ormat Technologies Short Interest Data MGE Energy Short Interest Data Unitil Short Interest Data Grupo Televisa, S.A.B. Short Interest Data Shenandoah Telecommunications Short Interest Data York Water Short Interest Data Consolidated Water Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSE:AT) was last updated on 5/12/2025 by MarketBeat.com Staff From Our PartnersThis next market event could mean total financial ruin for someYou think the volatility is over? Think again … Because it’s just getting started. In fact, according...Weiss Ratings | SponsoredThink NVDA’s run was epic? You ain’t seen nothin’ yetAsk most investors and they’ll probably tell you Nvidia is the undisputed AI stock of the decade. 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