Power Integrations (POWI) Short Interest Ratio & Short Volume $57.58 +1.68 (+3.01%) Closing price 04:00 PM EasternExtended Trading$57.50 -0.08 (-0.14%) As of 05:08 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Power Integrations Short Interest DataPower Integrations (POWI) has a short interest of 2.72 million shares, representing 4.94% of the float (the number of shares available for trading by the public). This marks a -26.29% decrease in short interest from the previous month. The short interest ratio (days to cover) is 4.7, indicating that it would take 4.7 days of the average trading volume of 477,345 shares to cover all short positions.Current Short Interest2,720,000 sharesPrevious Short Interest3,690,000 sharesChange Vs. Previous Month-26.29%Dollar Volume Sold Short$149.95 millionShort Interest Ratio4.7 Days to CoverLast Record DateJune 15, 2025Outstanding Shares56,290,000 sharesFloat Size55,060,000 sharesShort Percent of Float4.94%Today's Trading Volume515,541 sharesAverage Trading Volume477,345 sharesToday's Volume Vs. Average108% Short Selling Power Integrations? Sign up to receive the latest short interest report for Power Integrations and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartPOWI Short Interest Over TimePOWI Days to Cover Over TimePOWI Percentage of Float Shorted Over Time Power Integrations Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 6/15/20252,720,000 shares $149.95 million -26.3%4.9%4.7 $55.13 5/31/20253,690,000 shares $184.17 million +1.9%6.7%6.1 $49.91 5/15/20253,620,000 shares $196.42 million -9.5%6.6%6.1 $54.26 4/30/20254,000,000 shares $196.48 million -0.7%7.2%6.7 $49.12 4/15/20254,030,000 shares $183.61 million +3.9%7.3%6.9 $45.56 3/31/20253,880,000 shares $195.94 million -0.5%7.0%6.8 $50.50 3/15/20253,900,000 shares $223.28 million +2.9%7.0%7.8 $57.25 2/28/20253,790,000 shares $230.43 million +15.9%6.8%8 $60.80 2/15/20253,270,000 shares $194.83 million -3.0%5.9%7.4 $59.58 1/31/20253,370,000 shares $210.02 million -6.1%6.1%8 $62.32 Get the Latest News and Ratings for POWI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Power Integrations and its competitors with MarketBeat's FREE daily newsletter. 1/15/20253,590,000 shares $224.91 million -5.0%6.4%9.1 $62.65 12/31/20243,780,000 shares $233.23 million -2.1%6.8%10.4 $61.70 12/15/20243,860,000 shares $249.86 million -0.3%6.9%10.6 $64.73 11/30/20243,870,000 shares $253.52 million -2.3%7.0%10.1 $65.51 11/15/20243,960,000 shares $237.76 million -1.0%7.1%9.5 $60.04 10/31/20244,000,000 shares $241.72 million +21.2%7.2%9.5 $60.43 10/15/20243,300,000 shares $208.03 million -5.2%5.9%7.6 $63.04 9/30/20243,480,000 shares $223.14 million -8.2%6.3%7.7 $64.12 9/15/20243,790,000 shares $226.07 million +1.3%6.8%7.9 $59.65 8/31/20243,740,000 shares $250.95 million +2.5%6.7%8.4 $67.10 8/15/20243,650,000 shares $237.83 million -8.8%6.6%9 $65.16 7/31/20244,000,000 shares $292.16 million +2.0%7.2%9.8 $73.04 7/15/20243,920,000 shares $295.84 million +1.0%7.1%9.8 $75.47 6/30/20243,880,000 shares $272.34 million +10.2%7.0%9.9 $70.19 6/15/20243,520,000 shares $259.67 million -13.9%6.3%9.2 $73.77 5/31/20244,090,000 shares $310.88 million +13.9%7.4%10.8 $76.01 5/15/20243,590,000 shares $279.77 million -4.8%6.5%8.9 $77.93 4/30/20243,770,000 shares $251.53 million -13.5%6.8%8.8 $66.72 4/15/20244,360,000 shares $292.90 million +5.8%7.8%10.9 $67.18 3/31/20244,120,000 shares $294.79 million +3.8%7.4%10.5 $71.55 3/15/20243,970,000 shares $278.22 million +1.0%7.1%10 $70.08 2/29/20243,930,000 shares $280.84 million +5.4%7.0%9.4 $71.46 2/15/20243,730,000 shares $282.17 million +6.0%6.7%9.2 $75.65 1/31/20243,520,000 shares $263.86 million +3.8%6.3%8.7 $74.96 1/15/20243,390,000 shares $261.37 million No Change6.1%8.2 $77.10 12/31/20233,390,000 shares $278.35 million +3.0%6.1%8.4 $82.11 12/15/20233,290,000 shares $279.55 million +7.2%5.9%8.3 $84.97 11/30/20233,070,000 shares $234.58 million +1.7%5.5%7.9 $76.41 11/15/20233,020,000 shares $235.59 million -3.5%5.4%8 $78.01 10/31/20233,130,000 shares $217.00 million +2.0%5.6%9.1 $69.33The #1 AI Energy Stock (Ad)Nearly $600 billion is projected to be spent on AI data centers this year. That's because the ones being built now will dwarf everything that came before them. Thanks to AI's ravenous hunger for power … They are beginning to morph into sprawling behemoths.Click here to learn more about the #1 AI Energy Stock of 2025 10/15/20233,070,000 shares $231.85 million +2.0%5.5%9.8 $75.52 9/30/20233,010,000 shares $229.69 million +2.4%5.4%9.6 $76.31 9/15/20232,940,000 shares $233.17 million +1.0%5.2%9.2 $79.31 8/31/20232,910,000 shares $244.50 million +5.8%5.2%9.1 $84.02 8/15/20232,750,000 shares $227.95 million -9.5%4.9%8 $82.89 7/31/20233,040,000 shares $295.31 million -20.8%5.4%8.3 $97.14 7/15/20233,840,000 shares $373.21 million +8.2%7.0%9.4 $97.19 6/30/20233,550,000 shares $336.08 million +7.3%6.4%8.7 $94.67 6/15/20233,310,000 shares $304.06 million -1.2%5.9%7.6 $91.86 5/31/20233,350,000 shares $289.44 million -1.8%6.1%7.7 $86.40 5/15/20233,410,000 shares $272.70 million +14.4%6.1%8.1 $79.97 4/30/20232,980,000 shares $216.88 million +6.8%5.3%7.1 $72.78 4/15/20232,790,000 shares $219.96 million -0.4%5.0%7.5 $78.84 3/31/20232,800,000 shares $236.99 million -6.4%5.0%7.5 $84.64 3/15/20232,990,000 shares $247.57 million -8.0%5.4%8.6 $82.80 2/28/20233,250,000 shares $267.31 million +10.5%5.8%10 $82.25 2/15/20232,940,000 shares $247.64 million -3.6%5.3%8.8 $84.23 1/31/20233,050,000 shares $262.57 million +5.2%5.5%8.4 $86.09 1/15/20232,900,000 shares $238.29 million -15.5%5.2%8.1 $82.17 12/30/20223,430,000 shares $246.00 million -1.2%6.1%9.3 $71.72 12/15/20223,470,000 shares $252.75 million +20.1%6.2%9 $72.84 11/30/20222,890,000 shares $232.59 million +1.8%5.2%6.5 $80.48 11/15/20222,840,000 shares $229.84 million -7.5%5.1%6.2 $80.93 10/31/20223,070,000 shares $204.80 million -6.1%5.5%6.8 $66.71 10/15/20223,270,000 shares $205.98 million +10.9%5.9%7.5 $62.99 9/30/20222,950,000 shares $189.74 million -3.6%5.3%6.7 $64.32 9/15/20223,060,000 shares $206.86 million -1.9%5.5%6.9 $67.60 8/31/20223,120,000 shares $223.17 million +1.0%5.6%7.4 $71.53 8/15/20223,090,000 shares $254.25 million -9.4%5.5%8.1 $82.28 7/31/20223,410,000 shares $289.88 million +2.1%6.0%8.5 $85.01 7/15/20223,340,000 shares $255.48 million +1.2%5.9%8.3 $76.49 6/30/20223,300,000 shares $247.53 million +7.1%5.8%8.2 $75.01 6/15/20223,080,000 shares $240.61 million +8.5%5.4%7.6 $78.12 5/31/20222,840,000 shares $239.64 million +15.0%5.0%7 $84.38 5/15/20222,470,000 shares $207.80 million +14.9%4.3%5.7 $84.13 4/30/20222,150,000 shares $172 million +20.8%3.8%4.7 $80.00 4/15/20221,780,000 shares $145.23 million -8.7%3.1%3.8 $81.59 3/31/20221,950,000 shares $180.73 million -1.5%3.4%4 $92.68 3/15/20221,980,000 shares $174.24 million +9.4%3.4%4 $88.00 2/28/20221,810,000 shares $162.90 million +4.0%3.1%2.6 $90.00 2/15/20221,740,000 shares $157.66 million -4.4%3.0%2.6 $90.61 1/31/20221,820,000 shares $146.89 million -10.3%3.2%2.8 $80.71 1/15/20222,030,000 shares $172.55 million +22.3%3.5%3.4 $85.00 12/31/20211,660,000 shares $154.20 million -20.6%2.8%3 $92.89 12/15/20212,090,000 shares $187.66 million +25.9%3.6%3.9 $89.79 11/30/20211,660,000 shares $166.05 million +3.8%2.8%5.1 $100.03 11/15/20211,600,000 shares $169.28 million -12.1%2.7%5.4 $105.80 10/29/20211,820,000 shares $187.84 million +8.3%3.1%6.2 $103.21 10/15/20211,680,000 shares $165.21 million No Change2.9%5.4 $98.34 9/30/20211,680,000 shares $166.30 million -2.3%2.9%5.3 $98.99The #1 AI Energy Stock (Ad)Nearly $600 billion is projected to be spent on AI data centers this year. That's because the ones being built now will dwarf everything that came before them. Thanks to AI's ravenous hunger for power … They are beginning to morph into sprawling behemoths.Click here to learn more about the #1 AI Energy Stock of 2025 9/15/20211,720,000 shares $188.39 million -3.9%2.9%5.4 $109.53 8/31/20211,790,000 shares $194.47 million -4.8%3.0%5.9 $108.64 8/13/20211,880,000 shares $185.18 million -1.1%3.2%6.7 $98.50 7/30/20211,900,000 shares $184.28 million +4.4%3.2%6.4 $96.99 7/15/20211,820,000 shares $145.51 million No Change3.1%6.1 $79.95 6/30/20211,820,000 shares $149.35 million -6.7%3.1%6.1 $82.06 6/15/20211,950,000 shares $161.11 million +17.5%3.3%6.4 $82.62 5/28/20211,660,000 shares $136.44 million -7.3%2.8%5.2 $82.19 5/14/20211,790,000 shares $133.68 million +14.7%N/A5 $74.68 4/30/20211,560,000 shares $131.20 million -13.8%N/A4.1 $84.10 4/15/20211,810,000 shares $146.37 million -5.7%N/A4.5 $80.87 3/31/20211,920,000 shares $151.93 million +1.1%N/A4.6 $79.13 3/15/20211,900,000 shares $156.81 million -2.6%N/A4.5 $82.53 2/26/20211,950,000 shares $166.59 million +17.5%N/A4.8 $85.43 2/12/20211,660,000 shares $152.89 million +7.1%N/A4.3 $92.10 1/29/20211,550,000 shares $130.48 million -16.2%N/A4.1 $84.18 1/15/20211,850,000 shares $178.04 million -13.6%N/A5.2 $96.24 12/31/20202,140,000 shares $173.38 million +0.5%N/A6.2 $81.02 12/15/20202,130,000 shares $159.20 million +15.8%N/A6.2 $74.74 11/30/20201,840,000 shares $130.82 million -11.5%N/A5.1 $71.10 11/15/20202,080,000 shares $143.21 million +7.8%N/A5.7 $68.85 10/30/20201,930,000 shares $112.65 million +2.7%N/A5.6 $58.37 10/15/20201,880,000 shares $114.06 million -7.8%N/A5.3 $60.67 9/30/20202,040,000 shares $113.02 million -11.3%N/A5.6 $55.40 9/15/20202,300,000 shares $126.45 million -5.7%N/A5.9 $54.98 8/31/20202,440,000 shares $136.57 million +101.7%N/A6.2 $55.97 8/14/20201,210,000 shares $140.70 million +0.8%N/A3.1 $116.28 7/31/20201,200,000 shares $146.44 million -4.8%4.2%5.7 $122.03 7/15/20201,260,000 shares $152.90 million -8.7%4.4%5.9 $121.35 POWI Short Interest - Frequently Asked Questions What is Power Integrations' current short interest? Short interest is the volume of Power Integrations shares that have been sold short but have not yet been closed out or covered. As of June 15th, traders have sold 2,720,000 shares of POWI short. 4.94% of Power Integrations' shares are currently sold short. Learn More on Power Integrations' current short interest. What is a good short interest ratio for Power Integrations? 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. POWI shares currently have a short interest ratio of 5.0. Learn More on Power Integrations's short interest ratio. Which institutional investors are shorting Power Integrations? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Power Integrations: Walleye Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Power Integrations? 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. 4.94% of Power Integrations' floating shares are currently sold short. Is Power Integrations' short interest increasing or decreasing? Power Integrations saw a decline in short interest in June. As of June 15th, there was short interest totaling 2,720,000 shares, a decline of 26.3% from the previous total of 3,690,000 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 Power Integrations' float size? Power Integrations currently has issued a total of 56,290,000 shares. Some of Power Integrations' 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. Power Integrations currently has a public float of 55,060,000 shares. How does Power Integrations' short interest compare to its competitors? 4.94% of Power Integrations' shares are currently sold short. Here is how the short interest of companies compare to Power Integrations: Skyworks Solutions, Inc. (9.26%), MACOM Technology Solutions Holdings, Inc. (3.70%), Altair Engineering Inc. (8.49%), Lattice Semiconductor Corporation (8.18%), Rambus, Inc. (3.41%), Cirrus Logic, Inc. (4.12%), Silicon Laboratories, Inc. (5.60%), Semtech Corporation (9.48%), Diodes Incorporated (3.71%), Ambarella, Inc. (3.83%), 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 ($69.26 billion), Invesco QQQ ($25.22 billion), iShares Russell 2000 ETF ($20.33 billion), iShares 20+ Year Treasury Bond ETF ($9.99 billion), MicroStrategy Incorporated ($9.12 billion), Canadian Natural Resources Limited ($6.73 billion), SPDR S&P Biotech ETF ($6.52 billion), Invesco S&P 500 Equal Weight ETF ($5.60 billion), Financial Select Sector SPDR Fund ($4.64 billion), and iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.59 billion). View all of the most shorted stocks. What does it mean to sell short Power Integrations stock? Short selling POWI is an investing strategy that aims to generate trading profit from Power Integrations as its price is falling. POWI shares are trading up $1.68 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 Power Integrations? A short squeeze for Power Integrations 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 POWI, which in turn drives the price of the stock up even further. How often is Power Integrations' 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 POWI, twice per month. The most recent reporting period available is June, 15 2025. More Short Interest Resources from MarketBeat Related Companies Skyworks Solutions Short Interest MACOM Technology Solutions Short Interest Altair Engineering Short Interest Lattice Semiconductor Short Interest Rambus Short Interest Cirrus Logic Short Interest Silicon Laboratories Short Interest Semtech Short Interest Diodes Short Interest Ambarella Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:POWI) was last updated on 7/1/2025 by MarketBeat.com Staff From Our PartnersHere's the last trade you should make before heading out for the weekend tomorrow.Make this one trade at 2:59 PM on Friday afternoon, and you'll thank me on Monday morning.Timothy Sykes | SponsoredThis Crypto Is Set to Explode in JanuaryFree summit: How to profit from the Coinbase-Deribit deal Our hedge fund experts know exactly what this mea...Crypto 101 Media | SponsoredThis Signal Only Flashes Once Every 4 Years – And It Just TriggeredThis same signal has appeared twice before in the past 8 years — both times, it kicked off major moves in cryp...Crypto Swap Profits | SponsoredHow to Collect Up To $5,917/mo From Trump’s Made In USA BoomHow to Collect Up To $5,917/mo From Trump's Made In USA Boom Thanks to President Trump's America-First poli...Investors Alley | SponsoredTrump set to Boost Social Security Checks by 400%?If you collect—or plan to collect—Social Security, you need to see this. 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