Select Medical (SEM) Short Interest Ratio & Short Volume $16.56 +0.05 (+0.27%) Closing price 03:59 PM EasternExtended Trading$16.52 -0.03 (-0.18%) As of 04:10 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 Select Medical Short Interest OverviewAs of April 30, 2026, Select Medical (SEM) had a short interest of 2.24 million shares sold short, representing 2.15% of the public float. This marks a -16.26% decrease in short interest since the prior report. The short interest ratio (days to cover) is 1.3, meaning it would take 1.3 days of the average trading volume of 1.45 million shares to cover all short positions.Current Short Interest2,236,252 sharesPrevious Short Interest2,670,372 sharesChange Vs. Previous Month-16.26%Dollar Volume Sold Short$36.75 millionShort Interest Ratio1.3 Days to CoverLast Record DateApril 30, 2026Outstanding Shares124,010,000 sharesShort Percent of Float2.15%Today's Trading Volume4,507,349 sharesAverage Trading Volume1,451,944 sharesToday's Volume Vs. Average310% Short Selling Select Medical? Sign up to receive the latest short interest report for Select Medical 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 ChartSEM Short Interest Over TimeSEM Days to Cover Over TimeSEM Percentage of Float Shorted Over Time Select Medical 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 4/30/20262,236,252 shares $36.75 million -16.3%2.1%1.33 $16.44 4/15/20262,670,372 shares $43.75 million -2.5%2.6%1.83 $16.39 3/31/20262,737,454 shares $44.61 million +19.4%2.6%1.07 $16.30 3/13/20262,292,503 shares $37.24 million -24.4%2.2%0.43 $16.25 2/27/20263,030,414 shares $45.26 million -13.8%2.9%2.41 $14.94 2/13/20263,515,119 shares $57.59 million -14.1%3.2%4.16 $16.38 1/30/20264,089,664 shares $61.57 million -7.0%3.7%7.08 $15.06 1/15/20264,395,657 shares $67.91 million +0.4%4.0%8.28 $15.45 12/31/20254,377,998 shares $65.14 million -6.5%4.0%3.91 $14.88 12/15/20254,681,041 shares $73.31 million -0.2%4.3%4.03 $15.66 Get the Latest News and Ratings for SEM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Select Medical and its competitors with MarketBeat's FREE daily newsletter. 11/28/20254,688,978 shares $72.63 million -1.4%4.3%3.62 $15.49 11/14/20254,755,575 shares $62.22 million +35.7%4.3%4.4 $13.08 10/31/20253,504,483 shares $48.46 million -1.9%3.2%3.08 $13.83 10/15/20253,570,000 shares $48.53 million -9.6%3.4%3.1 $13.59 9/30/20253,950,000 shares $50.60 million +0.8%3.8%3.4 $12.81 9/15/20253,920,000 shares $48.02 million +9.5%3.7%3.6 $12.25 8/31/20253,580,000 shares $46.63 million -1.9%3.4%3.1 $13.03 8/15/20253,650,000 shares $46.36 million +16.6%3.5%3 $12.70 7/31/20253,130,000 shares $46.47 million +5.7%3.0%2.5 $14.85 7/15/20252,960,000 shares $43.25 million -2.3%2.7%2.2 $14.61 6/30/20253,030,000 shares $46.03 million -9.0%2.8%2.3 $15.19 6/15/20253,330,000 shares $50.12 million -23.1%3.0%2.6 $15.05 5/31/20254,330,000 shares $66.34 million +4.3%3.9%3.6 $15.32 5/15/20254,150,000 shares $63.04 million +8.4%3.8%3.3 $15.19 4/30/20253,830,000 shares $69.94 million -9.0%3.5%3.2 $18.26 4/15/20254,210,000 shares $68.56 million -3.2%3.8%4.3 $16.29 3/31/20254,350,000 shares $72.62 million +10.4%4.0%4.5 $16.70 3/15/20253,940,000 shares $66.13 million -11.9%3.6%3.9 $16.79 2/28/20254,470,000 shares $81.31 million +17.3%4.1%4.3 $18.19 2/15/20253,810,000 shares $70.80 million +6.1%3.5%3.3 $18.58 1/31/20253,590,000 shares $70.58 million +12.5%3.3%3.3 $19.66 1/15/20253,190,000 shares $61.47 million -2.2%3.0%3 $19.27 12/31/20243,260,000 shares $61.45 million +28.9%3.1%3.2 $18.85 12/15/20242,530,000 shares $49.28 million +28.4%2.4%2.7 $19.48 11/30/20241,970,000 shares $41.59 million +10.1%1.9%2.4 $21.11 11/15/20241,790,000 shares $67.04 million -11.0%1.7%2.9 $37.45 10/31/20242,010,000 shares $64.34 million -7.8%2.0%3.6 $32.01 10/15/20242,180,000 shares $73.67 million -7.2%2.1%3.7 $33.80 9/30/20242,350,000 shares $81.94 million -10.3%2.3%3.7 $34.87 9/15/20242,620,000 shares $92.30 million +4.4%2.6%3.7 $35.23Iran's New Leader Just Said Something That Should Terrify Every American (Ad)Iran's Supreme Leader has declared the Strait of Hormuz closed as leverage against the U.S. - and with 40% of the world's oil passing through that corridor, crude has already crossed $100 per barrel. History shows gold surged 571% during the 1973 oil crisis and 425% in 1979. Today, the U.S. holds 8,133 tonnes of gold valued on the books at $42.22 per ounce - while gold trades above $5,000. American Alternative Assets has released The Great Gold Reset report detailing what this gap could mean for investors.Claim your free copy of The Great Gold Reset report today 8/31/20242,510,000 shares $90.54 million -0.4%2.5%3.6 $36.07 8/15/20242,520,000 shares $83.71 million -2.3%2.5%3.6 $33.22 7/31/20242,580,000 shares $102.50 million -1.5%2.5%3.7 $39.73 7/15/20242,620,000 shares $98.51 million +13.9%2.6%4.2 $37.60 6/30/20242,300,000 shares $80.64 million +7.0%2.3%3.8 $35.06 6/15/20242,150,000 shares $72.71 million +3.9%2.1%4 $33.82 5/31/20242,070,000 shares $71.52 million -2.4%2.0%3.9 $34.55 5/15/20242,120,000 shares $74.03 million -0.9%2.1%3.8 $34.92 4/30/20242,140,000 shares $60.69 million -6.1%2.1%3.9 $28.36 4/15/20242,280,000 shares $62.86 million +2.7%2.3%4.6 $27.57 3/31/20242,220,000 shares $66.93 million -11.9%2.2%4.3 $30.15 3/15/20242,520,000 shares $71.74 million -8.4%2.5%4.4 $28.47 2/29/20242,750,000 shares $74.91 million -1.1%2.7%4.6 $27.24 2/15/20242,780,000 shares $75.57 million -3.8%2.7%4.6 $27.19 1/31/20242,890,000 shares $75.08 million -12.2%2.9%4.9 $25.98 1/15/20243,290,000 shares $86.89 million -5.5%3.3%5 $26.41 12/31/20233,480,000 shares $81.78 million -6.0%3.4%5.3 $23.50 12/15/20233,700,000 shares $87.47 million +16.0%3.7%6.4 $23.64 11/30/20233,190,000 shares $72.06 million +24.1%3.2%5.6 $22.59 11/15/20232,570,000 shares $59.62 million +0.4%2.5%4.7 $23.20 10/31/20232,560,000 shares $58.21 million -2.3%2.5%4.8 $22.74 10/15/20232,620,000 shares $60.71 million -3.3%2.6%5.3 $23.17 9/30/20232,710,000 shares $68.48 million +3.4%2.7%5.4 $25.27 9/15/20232,620,000 shares $67.78 million +0.8%2.6%5.2 $25.87 8/31/20232,600,000 shares $75.95 million -24.6%2.5%4.8 $29.21 8/15/20233,450,000 shares $98.01 million +8.8%3.3%6.3 $28.41 7/31/20233,170,000 shares $95.07 million -7.6%3.1%5.4 $29.99 7/15/20233,430,000 shares $102.21 million -12.1%3.3%5.5 $29.80 6/30/20233,900,000 shares $124.25 million -18.1%3.7%6.6 $31.86 6/15/20234,760,000 shares $137.90 million -4.2%4.6%8.4 $28.97 5/31/20234,970,000 shares $136.03 million +11.4%4.8%9.3 $27.37 5/15/20234,460,000 shares $126.00 million -14.2%4.3%7.7 $28.25 4/30/20235,200,000 shares $158.60 million -16.9%5.0%9.2 $30.50 4/15/20236,260,000 shares $176.97 million +0.2%6.0%12.7 $28.27 3/31/20236,250,000 shares $161.56 million -1.4%6.0%12.9 $25.85 3/15/20236,340,000 shares $158.82 million +3.1%6.1%12.7 $25.05 2/28/20236,150,000 shares $167.22 million -7.8%6.0%12.1 $27.19 2/15/20236,670,000 shares $199.43 million -0.3%6.5%14.1 $29.90 1/31/20236,690,000 shares $194.48 million +2.3%6.5%13.4 $29.07 1/15/20236,540,000 shares $187.04 million -0.5%6.4%11.1 $28.60 12/30/20226,570,000 shares $163.13 million -13.4%6.4%10.6 $24.83 12/15/20227,590,000 shares $186.64 million -3.2%7.4%11.7 $24.59 11/30/20227,840,000 shares $192.71 million -6.6%7.7%12.6 $24.58 11/15/20228,390,000 shares $206.23 million +11.0%8.2%13 $24.58 10/31/20227,560,000 shares $194.14 million +13.2%7.4%11.8 $25.68 10/15/20226,680,000 shares $146.56 million +4.9%6.6%11.1 $21.94 9/30/20226,370,000 shares $140.78 million No Change6.3%11.2 $22.10 9/15/20226,370,000 shares $163.58 million +1.1%6.3%10.2 $25.68 8/31/20226,300,000 shares $161.53 million -12.4%6.2%9.3 $25.64 8/15/20227,190,000 shares $199.38 million +32.2%7.0%10.3 $27.73Iran's New Leader Just Said Something That Should Terrify Every American (Ad)Iran's Supreme Leader has declared the Strait of Hormuz closed as leverage against the U.S. - and with 40% of the world's oil passing through that corridor, crude has already crossed $100 per barrel. History shows gold surged 571% during the 1973 oil crisis and 425% in 1979. Today, the U.S. holds 8,133 tonnes of gold valued on the books at $42.22 per ounce - while gold trades above $5,000. American Alternative Assets has released The Great Gold Reset report detailing what this gap could mean for investors.Claim your free copy of The Great Gold Reset report today 7/31/20225,440,000 shares $161.13 million -4.6%5.2%6.8 $29.62 7/15/20225,700,000 shares $150.48 million +7.6%5.4%6.9 $26.40 6/30/20225,300,000 shares $125.19 million +3.9%5.0%6.4 $23.62 6/15/20225,100,000 shares $117.66 million -3.0%4.8%5.9 $23.07 5/31/20225,260,000 shares $128.08 million -7.2%4.9%6.3 $24.35 5/15/20225,670,000 shares $146.29 million -3.4%5.3%6.6 $25.80 4/30/20225,870,000 shares $132.72 million +7.1%5.4%7.3 $22.61 4/15/20225,480,000 shares $135.08 million +7.9%5.1%6.9 $24.65 3/31/20225,080,000 shares $121.87 million -5.2%4.7%5.8 $23.99 3/15/20225,360,000 shares $130.14 million -0.6%4.9%6.5 $24.28 2/28/20225,390,000 shares $124.78 million +4.1%5.0%6.6 $23.15 2/15/20225,180,000 shares $124.89 million +43.5%4.8%6.4 $24.11 1/31/20223,610,000 shares $83.86 million +48.0%3.3%4.5 $23.23 1/15/20222,440,000 shares $70.56 million +0.8%2.2%3.2 $28.92 12/31/20212,420,000 shares $71.15 million +9.0%2.2%3.6 $29.40 12/15/20212,220,000 shares $65.60 million +5.7%2.0%3.4 $29.55 11/30/20212,100,000 shares $56.39 million +14.1%1.9%3.3 $26.85 11/15/20211,840,000 shares $61.62 million -20.7%1.7%2.9 $33.49 10/29/20212,320,000 shares $77.07 million -15.3%2.1%3.6 $33.22 10/15/20212,740,000 shares $91.68 million -7.1%2.5%4.2 $33.46 9/30/20212,950,000 shares $106.70 million -16.4%2.7%4.4 $36.17 9/15/20213,530,000 shares $122.31 million +10.7%3.2%5.1 $34.65 8/31/20213,190,000 shares $110.28 million +32.9%2.9%4.3 $34.57 8/13/20212,400,000 shares $84.79 million -21.1%2.2%3.3 $35.33 7/30/20213,040,000 shares $119.93 million -2.9%2.7%4 $39.45 7/15/20213,130,000 shares $122.29 million -3.1%2.8%4.1 $39.07 6/30/20213,230,000 shares $136.50 million -15.5%2.9%4.2 $42.26 6/15/20213,820,000 shares $163.00 million -1.3%3.4%5.1 $42.67 5/28/20213,870,000 shares $155.07 million +38.7%3.5%5.6 $40.07 SEM Short Interest - Frequently Asked Questions What is Select Medical's current short interest? Short interest is the volume of Select Medical shares that have been sold short but have not yet been covered or closed out. As of April 30th, traders have sold 2,236,252 shares of SEM short. 2.15% of Select Medical's shares are currently sold short. Learn More on Select Medical's current short interest. What is a good short interest ratio for Select Medical? 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. SEM shares currently have a short interest ratio of 1.3. Learn More on Select Medical's short interest ratio. What is a good short interest percentage for Select Medical? 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. 2.15% of Select Medical's floating shares are currently sold short. Is Select Medical's short interest increasing or decreasing? Select Medical saw a drop in short interest during the month of April. As of April 30th, there was short interest totaling 2,236,252 shares, a drop of 16.3% from the previous total of 2,670,372 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 Select Medical's short interest compare to its competitors? 2.15% of Select Medical's shares are currently sold short. Here is how the short interest of companies compare to Select Medical: Atai Beckley N.V. (8.50%), Brookdale Senior Living Inc. (16.13%), Acadia Healthcare Company, Inc. (26.23%), U.S. Physical Therapy, Inc. (6.80%), Petco Health and Wellness Company, Inc. (5.63%), Community Health Systems, Inc. (9.34%), HCA Healthcare, Inc. (1.98%), Alcon (1.09%), Tenet Healthcare Corporation (2.56%), Encompass Health Corporation (3.50%), 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 Select Medical stock? Short selling SEM is an investing strategy that aims to generate trading profit from Select Medical as its price is falling. SEM shares are trading up $0.05 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 Select Medical? A short squeeze for Select Medical 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 SEM, which in turn drives the price of the stock up even further. How often is Select Medical'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 SEM, twice per month. The most recent reporting period available is April, 30 2026. What do SEM's short interest metrics mean? Understanding short interest metrics can help you assess how traders are positioning around a stock like SEM: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 ATAI Short Interest Data BKD Short Interest Data ACHC Short Interest Data USPH Short Interest Data WOOF Short Interest Data CYH Short Interest Data HCA Short Interest Data ALC Short Interest Data THC Short Interest Data EHC 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:SEM) was last updated on 5/20/2026 by MarketBeat.com Staff. From Our PartnersTrump's gold order: the announcement they won't put on the front pageOn August 15, 1971, Nixon interrupted prime-time television and ended the gold standard in 15 minutes - no deb...Reagan Gold Group | SponsoredYour $29.97 book is free todayWhy Some Traders Skip Stocks Entirely You don't need a big account to trade options. 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