Flowserve (FLS) Short Interest Ratio & Short Volume $69.62 +0.90 (+1.30%) As of 10:04 AM Eastern This is a fair market value price provided by Massive. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Flowserve Short Interest OverviewAs of April 30, 2026, Flowserve (FLS) had a short interest of 5.92 million shares sold short, representing 4.67% of the public float. This marks a 23.77% increase in short interest since the prior report. The short interest ratio (days to cover) is 1.9, meaning it would take 1.9 days of the average trading volume of 1.97 million shares to cover all short positions.Current Short Interest5,920,989 sharesPrevious Short Interest4,783,781 sharesChange Vs. Previous Month23.77%Dollar Volume Sold Short$436.23 millionShort Interest Ratio1.9 Days to CoverLast Record DateApril 30, 2026Outstanding Shares127,810,000 sharesShort Percent of Float4.67%Today's Trading Volume40,741 sharesAverage Trading Volume1,965,804 sharesToday's Volume Vs. Average2% Short Selling Flowserve? Sign up to receive the latest short interest report for Flowserve 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. By 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. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartFLS Short Interest Over TimeFLS Days to Cover Over TimeFLS Percentage of Float Shorted Over Time Flowserve 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 4/30/20265,920,989 shares $436.23 million +23.8%4.7%1.9 $73.68 4/15/20264,783,781 shares $376.95 million +19.5%3.8%2.49 $78.80 3/31/20264,003,484 shares $294.30 million +36.2%3.2%2.28 $73.51 3/13/20262,939,034 shares $218.14 million -8.2%2.3%1.72 $74.22 2/27/20263,202,841 shares $282.63 million -11.7%2.5%2.25 $88.24 2/13/20263,625,132 shares $325.40 million +2.2%2.9%1.71 $89.76 1/30/20263,546,427 shares $276.59 million +2.2%2.8%3.01 $77.99 1/15/20263,469,970 shares $266.15 million +7.5%2.7%2.8 $76.70 12/31/20253,227,376 shares $224.24 million -13.5%2.6%3.69 $69.48 12/15/20253,731,726 shares $267.58 million -13.4%3.0%2.55 $71.70 Get the Latest News and Ratings for FLS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Flowserve and its competitors with MarketBeat's FREE daily newsletter. 11/28/20254,310,742 shares $307.57 million -4.0%3.4%2.91 $71.35 11/14/20254,492,202 shares $301.60 million -20.0%3.5%2.33 $67.14 10/31/20255,616,345 shares $383.01 million -10.8%4.3%1.96 $68.20 10/15/20256,300,000 shares $318.78 million +14.8%4.8%3 $50.60 9/30/20255,490,000 shares $291.79 million -6.0%4.2%2.5 $53.15 9/15/20255,840,000 shares $330.31 million +15.6%4.5%2.3 $56.56 8/31/20255,050,000 shares $271.00 million +15.6%3.9%2 $53.66 8/15/20254,370,000 shares $230.30 million -2.2%3.4%1.6 $52.70 7/31/20254,470,000 shares $250.72 million -29.9%3.4%1.6 $56.09 7/15/20256,380,000 shares $336.24 million +20.2%4.9%2.6 $52.70 6/30/20255,310,000 shares $278.40 million +50.9%4.1%2.2 $52.43 6/15/20253,520,000 shares $163.54 million +44.9%2.7%1.8 $46.46 5/31/20252,430,000 shares $121.40 million -27.9%1.9%1.3 $49.96 5/15/20253,370,000 shares $172.44 million +41.6%2.6%2 $51.17 4/30/20252,380,000 shares $107.58 million +15.0%1.8%1.4 $45.20 4/15/20252,070,000 shares $88.63 million +1.0%1.6%1.3 $42.82 3/31/20252,050,000 shares $100.20 million +13.3%1.6%1.3 $48.88 3/15/20251,810,000 shares $88.68 million -12.1%1.4%1.3 $49.00 2/28/20252,060,000 shares $113.35 million -5.1%1.6%1.5 $55.03 2/15/20252,170,000 shares $135.09 million -6.5%1.7%1.7 $62.25 1/31/20252,320,000 shares $145.36 million +0.4%N/A1.9 $62.66 1/15/20252,310,000 shares $140.08 million -22.7%N/A1.8 $60.64 12/31/20242,990,000 shares $171.98 million +37.2%N/A2.5 $57.52 12/15/20242,180,000 shares $132.15 million +50.3%N/A1.6 $60.62 11/30/20241,450,000 shares $88.48 million +5.8%N/A1.1 $61.02 11/15/20241,370,000 shares $81.17 million -7.4%N/A1 $59.25 10/31/20241,480,000 shares $77.91 million -11.4%N/A1.2 $52.64 10/15/20241,670,000 shares $89.66 million +17.6%N/A1.5 $53.69 9/30/20241,420,000 shares $73.40 million -17.4%N/A1.3 $51.69 9/15/20241,720,000 shares $80.24 million -6.0%N/A1.8 $46.65Your book is inside (Ad)The "Sucker's Bet" Most New Options Traders Fall For Most people who try options lose money the same way. They don't know the rules. They don't know what to avoid. And they hand their account to Wall Street on a silver platter. Normally $29.97. Free today.Download your copy now. 8/31/20241,830,000 shares $91.28 million +7.7%N/A2.1 $49.88 8/15/20241,700,000 shares $80.51 million -10.1%N/A1.8 $47.36 7/31/20241,890,000 shares $95.65 million -1.6%N/A1.9 $50.61 7/15/20241,920,000 shares $95.56 million +16.4%N/A1.9 $49.77 6/30/20241,650,000 shares $79.37 million -13.2%N/A1.6 $48.10 6/15/20241,900,000 shares $88.52 million -29.1%N/A1.7 $46.59 5/31/20242,680,000 shares $133.20 million -6.0%N/A2.4 $49.70 5/15/20242,850,000 shares $143.33 million +62.9%N/A2.3 $50.29 4/30/20241,750,000 shares $82.55 million -12.1%N/A1.4 $47.17 4/15/20241,990,000 shares $92.32 million +59.2%N/A1.7 $46.39 3/31/20241,250,000 shares $57.10 million -16.1%N/A1.1 $45.68 3/15/20241,490,000 shares $65.93 million +0.7%N/A1.5 $44.25 2/29/20241,480,000 shares $62.63 million -1.3%N/A1.5 $42.32 2/15/20241,500,000 shares $64.45 million +42.9%N/A1.7 $42.97 1/31/20241,050,000 shares $41.95 million -3.7%N/A1.3 $39.95 1/15/20241,090,000 shares $43.92 million +10.8%N/A1.3 $40.29 12/31/2023983,500 shares $40.54 million -28.7%N/A1.1 $41.22 12/15/20231,380,000 shares $54.94 million +11.3%N/A1.4 $39.82 11/30/20231,240,000 shares $47.44 million -6.1%N/A1.2 $38.26 11/15/20231,320,000 shares $50.62 million -29.0%N/A1.3 $38.35 10/31/20231,860,000 shares $68.30 million +40.9%N/A1.8 $36.72 10/15/20231,320,000 shares $50.31 million -12.0%N/A1.3 $38.11 9/30/20231,500,000 shares $59.66 million -19.8%N/A1.5 $39.77 9/15/20231,870,000 shares $73.21 million +16.2%N/A2 $39.15 8/31/20231,610,000 shares $63.69 million -16.6%N/A1.8 $39.56 8/15/20231,930,000 shares $75.46 million +19.9%N/A2.2 $39.10 7/31/20231,610,000 shares $60.79 million -18.7%N/A1.8 $37.76 7/15/20231,980,000 shares $74.61 million -20.8%N/A2.2 $37.68 6/30/20232,500,000 shares $92.88 million -11.7%N/A3 $37.15 6/15/20232,830,000 shares $103.66 million +16.5%N/A3.3 $36.63 5/31/20232,430,000 shares $79.07 million -20.6%N/A2.7 $32.54 5/15/20233,060,000 shares $107.74 million -6.7%N/A3.4 $35.21 4/30/20233,280,000 shares $109.52 million -5.5%N/A3.7 $33.39 4/15/20233,470,000 shares $115.34 million -7.2%N/A4.1 $33.24 3/31/20233,740,000 shares $127.16 million -1.8%N/A4.3 $34.00 3/15/20233,810,000 shares $119.44 million -6.9%N/A4.5 $31.35 2/28/20234,090,000 shares $141.88 million +1.0%N/A5 $34.69 2/15/20234,050,000 shares $148.84 million -2.4%3.1%5 $36.75 1/31/20234,150,000 shares $142.84 million -2.4%3.2%5 $34.42 1/15/20234,250,000 shares $143.95 million +2.2%3.3%4.7 $33.87 12/30/20224,160,000 shares $127.63 million +19.9%3.2%4.4 $30.68 12/15/20223,470,000 shares $104.48 million -6.0%2.7%3.1 $30.11 11/30/20223,690,000 shares $115.72 million -8.7%2.8%3 $31.36 11/15/20224,040,000 shares $133.76 million -2.7%3.1%3.3 $33.11 10/31/20224,150,000 shares $119.02 million -6.1%3.2%3.3 $28.68 10/15/20224,420,000 shares $107.98 million -9.8%3.4%3.7 $24.43 9/30/20224,900,000 shares $119.07 million +6.8%3.8%4.2 $24.30 9/15/20224,590,000 shares $126.27 million No Change3.5%4.5 $27.51 8/31/20224,590,000 shares $139.86 million +25.8%3.5%4.8 $30.47 8/15/20223,650,000 shares $127.53 million -17.8%2.8%3.7 $34.94Your book is inside (Ad)The "Sucker's Bet" Most New Options Traders Fall For Most people who try options lose money the same way. 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Free today.Download your copy now. 7/31/20224,440,000 shares $150.25 million +19.4%3.4%4.5 $33.84 7/15/20223,720,000 shares $104.12 million -8.4%2.9%3.7 $27.99 6/30/20224,060,000 shares $116.24 million +21.2%3.1%3.8 $28.63 6/15/20223,350,000 shares $98.99 million -10.2%2.6%2.7 $29.55 5/31/20223,730,000 shares $117.50 million +5.4%2.9%2.7 $31.50 5/15/20223,540,000 shares $105.67 million +31.6%2.7%2.3 $29.85 4/30/20222,690,000 shares $87.99 million -14.9%2.1%1.7 $32.71 4/15/20223,160,000 shares $112.84 million -0.3%2.4%2 $35.71 3/31/20223,170,000 shares $113.80 million -10.7%2.4%1.9 $35.90 3/15/20223,550,000 shares $117.47 million -5.8%2.7%2.4 $33.09 2/28/20223,770,000 shares $114.49 million -7.1%2.9%2.7 $30.37 2/15/20224,060,000 shares $132.44 million -24.3%3.1%3.3 $32.62 1/31/20225,360,000 shares $174.84 million +21.5%4.1%4.9 $32.62 1/15/20224,410,000 shares $143.28 million +87.7%3.4%4.6 $32.49 12/31/20212,350,000 shares $71.91 million +10.9%1.8%2.6 $30.60 12/15/20212,120,000 shares $64.00 million -12.0%1.6%2.5 $30.19 11/30/20212,410,000 shares $72.25 million -4.7%1.9%3.3 $29.98 11/15/20212,530,000 shares $85.08 million -10.6%2.0%3.5 $33.63 10/29/20212,830,000 shares $95.14 million -7.2%2.2%3.9 $33.62 10/15/20213,050,000 shares $112.91 million +3.4%2.4%4.4 $37.02 9/30/20212,950,000 shares $102.28 million +99.3%2.3%4.5 $34.67 9/15/20211,480,000 shares $53.24 million -35.1%1.1%2.1 $35.97 8/31/20212,280,000 shares $88.62 million +9.6%1.8%3.3 $38.87 8/13/20212,080,000 shares $83.60 million -8.4%1.6%2.9 $40.19 7/30/20212,270,000 shares $95.54 million -7.4%1.8%3.1 $42.09 7/15/20212,450,000 shares $102.83 million -14.9%1.9%3.3 $41.97 6/30/20212,880,000 shares $116.12 million +25.8%2.2%3.7 $40.32 6/15/20212,290,000 shares $97.74 million +1.8%1.8%3.3 $42.68 5/28/20212,250,000 shares $95.38 million +14.2%1.7%2 $42.39 FLS Short Interest - Frequently Asked Questions What is Flowserve's current short interest? Short interest is the volume of Flowserve shares that have been sold short but have not yet been covered or closed out. As of April 30th, investors have sold 5,920,989 shares of FLS short. 4.67% of Flowserve's shares are currently sold short. Learn More on Flowserve's current short interest. What is a good short interest ratio for Flowserve? 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. FLS shares currently have a short interest ratio of 1.9. Learn More on Flowserve's short interest ratio. What is a good short interest percentage for Flowserve? 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. 4.67% of Flowserve's floating shares are currently sold short. Is Flowserve's short interest increasing or decreasing? Flowserve saw a increase in short interest in April. As of April 30th, there was short interest totaling 5,920,989 shares, an increase of 23.8% from the previous total of 4,783,781 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 Flowserve's short interest compare to its competitors? 4.67% of Flowserve's shares are currently sold short. Here is how the short interest of companies compare to Flowserve: Applied Industrial Technologies, Inc. (1.95%), Caterpillar Inc. (1.78%), Crane (1.77%), Emerson Electric Co. (2.20%), Graco Inc. (2.53%), Graham Corporation (2.84%), Ingersoll Rand Inc. (3.80%), ITT Inc. (5.88%), Parker-Hannifin Corporation (1.06%), Dover Corporation (2.10%), 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 Flowserve stock? Short selling FLS is an investing strategy that aims to generate trading profit from Flowserve as its price is falling. FLS shares are trading up $0.08 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 Flowserve? A short squeeze for Flowserve 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 FLS, which in turn drives the price of the stock up even further. How often is Flowserve'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 FLS, twice per month. The most recent reporting period available is April, 30 2026. What do FLs' short interest metrics mean? Understanding short interest metrics can help you assess how traders are positioning around a stock like FLS: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 Industrial Technologies Short Squeeze Caterpillar Short Squeeze Crane Short Squeeze Emerson Electric Short Squeeze Graco Short Squeeze Graham Short Squeeze Ingersoll Rand Short Squeeze ITT Short Squeeze Parker-Hannifin Short Squeeze Dover Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSE:FLS) was last updated on 5/22/2026 by MarketBeat.com Staff. From Our PartnersSystem failure: The strongest leverage for gold…$9 trillion in U.S. debt must be refinanced in 2026 - at current rates - while the largest foreign buyers of T...Golden Portfolio | SponsoredCould these basic necessities soon be out of reach? 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