Western Digital (WDC) Short Interest Ratio & Short Volume $484.28 -2.18 (-0.45%) Closing price 05/22/2026 04:00 PM EasternExtended Trading$480.30 -3.98 (-0.82%) As of 05/22/2026 07:59 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 Massive. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Western Digital Short Interest OverviewAs of April 30, 2026, Western Digital (WDC) had a short interest of 29.14 million shares sold short, representing 8.47% of the public float. This marks a 8.90% increase in short interest since the prior report. The short interest ratio (days to cover) is 4.2, meaning it would take 4.2 days of the average trading volume of 8.05 million shares to cover all short positions.Current Short Interest29,140,914 sharesPrevious Short Interest26,758,181 sharesChange Vs. Previous Month8.90%Dollar Volume Sold Short$12.66 billionShort Interest Ratio4.2 Days to CoverLast Record DateApril 30, 2026Outstanding Shares344,682,000 sharesShort Percent of Float8.47%Today's Trading Volume4,481,718 sharesAverage Trading Volume8,054,644 sharesToday's Volume Vs. Average56% Short Selling Western Digital? Sign up to receive the latest short interest report for Western Digital and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartWDC Short Interest Over TimeWDC Days to Cover Over TimeWDC Percentage of Float Shorted Over Time Western Digital Tesla Short Interest History & Recent Changes ExportReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/202629,140,914 shares $12.66 billion +8.9%8.5%4.18 $434.52 4/15/202626,758,181 shares $9.77 billion +0.4%7.9%3.56 $365.00 3/31/202626,653,778 shares $7.21 billion -3.3%7.9%2.81 $270.49 3/13/202627,567,965 shares $7.51 billion -7.8%8.1%3.53 $272.29 2/27/202629,882,601 shares $8.36 billion -5.4%8.8%3.36 $279.70 2/13/202631,585,632 shares $8.89 billion +0.1%9.3%2.67 $281.58 1/30/202631,540,967 shares $7.89 billion -5.9%9.3%2.95 $250.23 1/15/202633,513,366 shares $7.44 billion -9.1%9.8%3.5 $222.10 12/31/202536,866,308 shares $6.35 billion +17.6%10.8%4.54 $172.27 12/15/202531,351,861 shares $5.39 billion +1.7%9.2%4.77 $172.04 Get the Latest News and Ratings for WDC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Western Digital and its competitors with MarketBeat's FREE daily newsletter. 11/28/202530,825,377 shares $5.04 billion -8.3%9.0%3.93 $163.62 11/14/202533,625,289 shares $5.31 billion +5.2%9.8%3.4 $157.83 10/31/202531,956,205 shares $4.80 billion -6.5%9.3%3.1 $150.21 10/15/202534,190,000 shares $4.12 billion -7.2%10.0%3.9 $120.44 9/30/202536,850,000 shares $4.42 billion -6.7%N/A4.5 $120.06 9/15/202539,480,000 shares $4.04 billion +12.5%N/A5.3 $102.39 8/31/202535,110,000 shares $2.82 billion +5.3%10.1%5 $80.34 8/15/202533,330,000 shares $2.50 billion +1.3%N/A5 $75.06 7/31/202532,890,000 shares $2.59 billion -0.4%9.5%4.9 $78.69 7/15/202533,010,000 shares $2.23 billion +370.2%N/A5.1 $67.53 6/30/20257,020,000 shares $449.21 million -79.7%3.3%3.1 $63.99 6/15/202534,610,000 shares $1.93 billion +10.4%10.0%4.4 $55.70 5/31/202531,360,000 shares $1.62 billion -1.7%9.0%4 $51.74 5/15/202531,910,000 shares $1.59 billion +7.0%9.2%3.7 $49.75 4/30/202529,810,000 shares $1.31 billion -2.2%N/A3.5 $43.86 4/15/202530,480,000 shares $1.10 billion -5.4%8.8%3.5 $35.93 3/31/202532,210,000 shares $1.30 billion -3.8%9.3%3.9 $40.43 3/15/202533,480,000 shares $1.49 billion +4.2%9.7%4.6 $44.53 2/28/202532,120,000 shares $1.57 billion +8.6%9.3%4.6 $48.93 2/15/202529,570,000 shares $2.02 billion +22.2%8.5%4.6 $68.39 1/31/202524,190,000 shares $1.58 billion +10.6%N/A4.2 $65.13 1/15/202521,870,000 shares $1.41 billion +6.2%N/A3.9 $64.63 12/31/202420,600,000 shares $1.23 billion -1.2%N/A3.9 $59.63 12/15/202420,850,000 shares $1.36 billion -4.1%N/A3.9 $65.12 11/30/202421,740,000 shares $1.59 billion +20.1%N/A4.4 $72.99 11/15/202418,100,000 shares $1.14 billion +11.4%N/A3.6 $62.80 10/31/202416,250,000 shares $1.06 billion -9.3%N/A3.4 $65.31 10/15/202417,910,000 shares $1.20 billion -8.3%N/A3.1 $66.95 9/30/202419,540,000 shares $1.33 billion +6.1%N/A3.4 $68.29 9/15/202418,410,000 shares $1.20 billion +6.1%N/A3.2 $65.02One page of the SpaceX S-1 will move this stock overnight (Ad)When SpaceX files its S-1 in June, the SEC will require full disclosure of operating expenses - including power consumption for 1 million GPUs, a cost that rivals entire cities. That disclosure will name the supplier. One small, publicly traded power infrastructure company sits at the center of this - carrying a $1.5 billion backlog and priced like a utility. Dylan Jovine has the full breakdown.See the stock the S-1 revealed >> 8/31/202417,360,000 shares $1.14 billion -0.6%N/A3 $65.59 8/15/202417,460,000 shares $1.11 billion -2.7%N/A2.9 $63.50 7/31/202417,950,000 shares $1.20 billion -16.4%N/A3 $67.05 7/15/202421,460,000 shares $1.69 billion -10.9%N/A3.9 $78.82 6/30/202424,080,000 shares $1.82 billion -5.8%N/A4.3 $75.77 6/15/202425,551,000 shares $2.00 billion +3.5%N/A4.1 $78.12 5/31/202424,690,000 shares $1.86 billion +13.2%N/A3.8 $75.29 5/15/202421,810,000 shares $1.65 billion -2.0%N/A3.3 $75.69 4/30/202422,250,000 shares $1.58 billion +17.5%N/A3.3 $70.83 4/15/202418,940,000 shares $1.33 billion +18.2%N/A2.6 $70.43 3/31/202416,030,000 shares $1.09 billion +2.9%N/A2.2 $68.24 3/15/202415,580,000 shares $931.53 million -16.9%N/A2.4 $59.79 2/29/202418,740,000 shares $1.11 billion +3.9%N/A2.9 $59.47 2/15/202418,040,000 shares $1.01 billion +3.1%N/A2.9 $56.01 1/31/202417,490,000 shares $1.00 billion +13.4%N/A2.9 $57.25 1/15/202415,420,000 shares $771.15 million +15.9%N/A2.6 $50.01 12/31/202313,310,000 shares $697.04 million -12.7%N/A0 $52.37 12/15/202315,240,000 shares $772.36 million +2.4%N/A2.9 $50.68 11/30/202314,880,000 shares $718.85 million -7.9%N/A2.9 $48.31 11/15/202316,160,000 shares $743.84 million +89.2%N/A3.5 $46.03 10/31/20238,540,000 shares $342.88 million +8.8%N/A2 $40.15 10/15/20237,850,000 shares $358.75 million +4.1%N/A2.3 $45.70 9/30/20237,540,000 shares $344.05 million -4.7%N/A2.3 $45.63 9/15/20237,910,000 shares $344.88 million +6.8%N/A2.3 $43.60 8/31/20237,410,000 shares $333.45 million +2.8%N/A2.2 $45.00 8/15/20237,210,000 shares $295.97 million +19.0%N/A2.1 $41.05 7/31/20236,060,000 shares $257.91 million +8.6%N/A1.6 $42.56 7/15/20235,580,000 shares $221.30 million -8.5%N/A1.5 $39.66 6/30/20236,100,000 shares $231.37 million -23.9%N/A1.6 $37.93 6/15/20238,010,000 shares $329.05 million +8.7%N/A2.1 $41.08 5/31/20237,370,000 shares $285.44 million -6.1%N/A1.8 $38.73 5/15/20237,850,000 shares $288.49 million -4.0%N/A2 $36.75 4/30/20238,180,000 shares $281.72 million +15.9%N/A2.2 $34.44 4/15/20237,060,000 shares $250.35 million -11.2%N/A1.6 $35.46 3/31/20237,950,000 shares $299.48 million +0.3%N/A1.8 $37.67 3/15/20237,930,000 shares $272.71 million -1.1%N/A1.7 $34.39 2/28/20238,020,000 shares $308.61 million -8.1%N/A1.7 $38.48 2/15/20238,730,000 shares $381.24 million +6.2%N/A1.8 $43.67 1/31/20238,220,000 shares $361.27 million +8.6%N/A1.6 $43.95 1/15/20237,570,000 shares $281.76 million -6.3%N/A1.5 $37.22 12/30/20228,080,000 shares $254.92 million +9.2%N/A1.7 $31.55 12/15/20227,400,000 shares $238.35 million -14.7%N/A1.5 $32.21 11/30/20228,670,000 shares $318.62 million +2.0%N/A1.7 $36.75 11/15/20228,500,000 shares $335.41 million +24.5%N/A1.8 $39.46 10/31/20226,830,000 shares $234.75 million -28.8%N/A1.5 $34.37 10/15/20229,590,000 shares $323.37 million +19.0%N/A2.2 $33.72 9/30/20228,060,000 shares $262.35 million -2.2%N/A2 $32.55 9/15/20228,240,000 shares $311.22 million +18.6%N/A2.3 $37.77 8/31/20226,950,000 shares $293.71 million +7.9%N/A2 $42.26 8/15/20226,440,000 shares $319.49 million -4.0%N/A1.9 $49.61One algorithm, 17 years, nearly 2,000% total returns (Ad)A physicist in Dublin claims his AI algorithm has beaten the market for 17 consecutive years - with nearly 2,000% total returns and only one losing year across two decades of crises. Porter Stansberry flew to Ireland to investigate the claim firsthand. The result is a new investigative documentary called 'Investigating Project Prophet,' available to stream now at no cost.Stream 'Investigating Project Prophet' free and see what they found 7/31/20226,710,000 shares $329.46 million -27.2%N/A1.9 $49.10 7/15/20229,220,000 shares $437.12 million +0.2%N/A2.2 $47.41 6/30/20229,200,000 shares $412.44 million +29.6%N/A2.2 $44.83 6/15/20227,100,000 shares $354.65 million +10.1%2.3%1.7 $49.95 5/31/20226,450,000 shares $391.45 million -18.2%2.1%1.7 $60.69 5/15/20227,880,000 shares $460.59 million +10.7%2.6%1.9 $58.45 4/30/20227,120,000 shares $377.86 million -9.0%2.3%1.8 $53.07 4/15/20227,820,000 shares $362.38 million +17.1%2.6%1.9 $46.34 3/31/20226,680,000 shares $331.66 million -2.2%2.2%1.7 $49.65 3/15/20226,830,000 shares $313.77 million +18.8%2.2%1.7 $45.94 2/28/20225,750,000 shares $292.91 million -14.8%1.9%1.4 $50.94 2/15/20226,750,000 shares $377.12 million +13.6%2.2%1.6 $55.87 1/31/20225,940,000 shares $307.34 million -14.4%2.0%1.4 $51.74 1/15/20226,940,000 shares $462.48 million -11.6%2.3%1.8 $66.64 12/31/20217,850,000 shares $511.90 million -10.7%2.6%2.1 $65.21 12/15/20218,790,000 shares $495.32 million +11.8%2.9%2.4 $56.35 11/30/20217,860,000 shares $454.62 million +11.7%2.6%2.2 $57.84 11/15/20217,040,000 shares $414.87 million -3.4%2.3%1.8 $58.93 10/29/20217,290,000 shares $381.19 million -10.0%2.4%1.9 $52.29 10/15/20218,100,000 shares $448.82 million +10.8%2.7%2.2 $55.41 9/30/20217,310,000 shares $412.58 million -14.1%2.4%1.9 $56.44 9/15/20218,510,000 shares $495.79 million +5.7%2.8%2.2 $58.26 8/31/20218,050,000 shares $508.76 million +1.4%2.7%2 $63.20 8/13/20217,940,000 shares $501.41 million +27.5%2.7%2.2 $63.15 7/30/20216,230,000 shares $404.51 million +23.4%2.1%1.6 $64.93 7/15/20215,050,000 shares $337.90 million +0.2%1.7%1.2 $66.91 6/30/20215,040,000 shares $358.70 million -3.6%1.7%1.3 $71.17 6/15/20215,230,000 shares $391.83 million -3.0%1.8%1.2 $74.92 5/28/20215,390,000 shares $405.49 million -9.4%1.8%1.2 $75.23 WDC Short Interest - Frequently Asked Questions What is Western Digital's current short interest? Short interest is the volume of Western Digital shares that have been sold short but have not yet been closed out or covered. As of April 30th, investors have sold 29,140,914 shares of WDC short. 8.47% of Western Digital's shares are currently sold short. Learn More on Western Digital's current short interest. What is a good short interest ratio for Western Digital? 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. WDC shares currently have a short interest ratio of 4.2. Learn More on Western Digital's short interest ratio. Which institutional investors are shorting Western Digital? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Western Digital: Hsbc Holdings PLC, PEAK6 LLC, and REX Advisers LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Western Digital? 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. 8.47% of Western Digital's floating shares are currently sold short. Is Western Digital's short interest increasing or decreasing? Western Digital saw a increase in short interest in April. As of April 30th, there was short interest totaling 29,140,914 shares, an increase of 8.9% from the previous total of 26,758,181 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 Western Digital's short interest compare to its competitors? 8.47% of Western Digital's shares are currently sold short. Here is how the short interest of companies compare to Western Digital: Applied Materials, Inc. (2.01%), KLA Corporation (28.61%), Lam Research Corporation (2.29%), MKS Inc. (5.30%), Micron Technology, Inc. (3.31%), Seagate Technology Holdings PLC (3.87%), Teradyne, Inc. (3.46%), Sandisk Corporation (7.33%), NetApp, Inc. (10.95%), Synaptics Incorporated (12.43%), 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 ($86.09 billion), Invesco QQQ ($39.89 billion), iShares Russell 2000 ETF ($26.13 billion), Western Digital Corporation ($12.66 billion), Salesforce Inc. ($12.29 billion), Sandisk Corporation ($11.87 billion), SPDR S&P Biotech ETF ($9.82 billion), Lumentum Holdings Inc. ($8.51 billion), iShares 20+ Year Treasury Bond ETF ($7.76 billion), and Bloom Energy Corporation ($7.40 billion). View all of the most shorted stocks. What does it mean to sell short Western Digital stock? Short selling WDC is an investing strategy that aims to generate trading profit from Western Digital as its price is falling. WDC shares are trading down $2.18 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 Western Digital? A short squeeze for Western Digital 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 WDC, which in turn drives the price of the stock up even further. How often is Western Digital'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 WDC, twice per month. The most recent reporting period available is April, 30 2026. What do WDC's short interest metrics mean? Understanding short interest metrics can help you assess how traders are positioning around a stock like WDC:Shares Sold Short: The total number of shares that have been sold by short sellers but have not yet been covered or closed out. A high number may indicate bearish sentiment.Short Float: The percentage of a company’s publicly available shares (or "float") that are sold short. A higher short float suggests a greater portion of the stock is being bet against.Days to Cover (Short Interest Ratio): This estimates how many days it would take short sellers to cover their positions, based on average daily trading volume. Higher values can signal potential for a short squeeze if buying pressure increases.These metrics are often used by traders to gauge sentiment, volatility risk, and the potential for price movements based on short covering activity. More Short Interest Resources from MarketBeat Related Companies Applied Materials Short Interest KLA Short Interest Lam Research Short Interest MKS Short Interest Micron Technology Short Interest Seagate Technology Short Interest Teradyne Short Interest Sandisk Short Interest NetApp Short Interest Synaptics 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:WDC) was last updated on 5/24/2026 by MarketBeat.com Staff. From Our PartnersHey, it's Jon Najarian. The SpaceX IPO is right around the corner. But I discovered Elon may have something BIGGER planned. 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