Sera Prognostics (SERA) Short Interest Ratio & Short Volume $1.92 -0.20 (-9.43%) Closing price 05/21/2025 04:00 PM EasternExtended Trading$2.00 +0.09 (+4.43%) As of 05/21/2025 05:51 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 AnalysisChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Sera Prognostics Short Interest DataSera Prognostics (SERA) has a short interest of 761,600 shares, representing 3.25% of the float (the number of shares available for trading by the public). This marks a -3.10% decrease in short interest from the previous month. The short interest ratio (days to cover) is 6.5, indicating that it would take 6.5 days of the average trading volume of 133,011 shares to cover all short positions.Current Short Interest761,600 sharesPrevious Short Interest786,000 sharesChange Vs. Previous Month-3.10%Dollar Volume Sold Short$2.24 millionShort Interest Ratio6.5 Days to CoverLast Record DateApril 30, 2025Outstanding Shares37,673,000 sharesFloat Size23,410,000 sharesShort Percent of Float3.25%Today's Trading Volume302,949 sharesAverage Trading Volume133,011 sharesToday's Volume Vs. Average228% Short Selling Sera Prognostics? Sign up to receive the latest short interest report for Sera Prognostics and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartSERA Short Interest Over TimeSERA Days to Cover Over TimeSERA Percentage of Float Shorted Over Time Sera Prognostics Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/2025761,600 shares $2.24 million -3.1%3.3%6.5 $2.94 4/15/2025786,000 shares $2.59 million -18.2%3.4%7.1 $3.30 3/31/2025960,700 shares $3.54 million +16.8%4.1%8.1 $3.68 3/15/2025822,400 shares $3.35 million -4.3%3.5%6.4 $4.07 2/28/2025859,400 shares $3.64 million +4.7%4.0%6.6 $4.24 2/15/2025821,100 shares $3.31 million -2.2%3.8%6.7 $4.03 1/31/2025839,200 shares $5.43 million -0.6%3.9%6.9 $6.47 1/15/2025844,400 shares $5.58 million -19.6%4.0%8.2 $6.61 12/31/20241,050,000 shares $8.55 million +18.1%4.9%10.9 $8.14 12/15/2024889,200 shares $7.66 million -7.5%4.2%9.6 $8.62 Get the Latest News and Ratings for SERA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Sera Prognostics and its competitors with MarketBeat's FREE daily newsletter. 11/30/2024960,800 shares $6.48 million +2.5%4.6%10.3 $6.74 11/15/2024937,200 shares $5.75 million -9.9%4.4%10.3 $6.14 10/31/20241,040,000 shares $8.00 million -7.1%4.9%11.5 $7.69 10/15/20241,120,000 shares $8.28 million +6.7%5.7%11.5 $7.39 9/30/20241,050,000 shares $8.19 million +33.3%5.3%9.1 $7.80 9/15/2024788,000 shares $6.04 million -2.9%4.0%4.3 $7.66 8/31/2024811,400 shares $5.96 million +3.1%4.2%4.4 $7.35 8/15/2024786,700 shares $5.52 million +9.9%4.1%4.1 $7.02 7/31/2024715,600 shares $5.93 million +13.0%3.8%3.4 $8.29 7/15/2024633,500 shares $4.46 million +147.8%3.3%3.1 $7.04 6/30/2024255,700 shares $1.51 million +11.4%1.4%1.2 $5.92 6/15/2024229,500 shares $1.83 million -9.2%1.3%1.3 $7.98 5/31/2024252,700 shares $2.27 million -0.3%1.4%1.5 $9.00 5/15/2024253,500 shares $2.14 million +27.5%1.4%1.4 $8.43 4/30/2024198,900 shares $2.33 million -15.2%1.1%1 $11.69 4/15/2024234,400 shares $2.35 million +18.0%1.3%1 $10.04 3/31/2024198,600 shares $1.81 million +71.5%1.2%0.8 $9.10 3/15/2024115,800 shares $1.07 million +8.6%0.7%0.5 $9.26 2/29/2024106,600 shares $950,872.00 -9.4%0.6%0.1 $8.92 2/15/2024117,700 shares $1.05 million -26.7%0.7%0.1 $8.90 1/31/2024160,600 shares $1.12 million -26.1%1.0%0.1 $7.00 1/15/2024217,300 shares $1.43 million -5.4%1.6%0.2 $6.58 12/31/2023229,700 shares $1.37 million -44.2%2.0%0.2 $5.98 12/15/2023411,900 shares $2.02 million +102.3%3.3%0.3 $4.90 11/30/2023203,600 shares $394,984.00 -6.1%1.7%0.2 $1.94 11/15/2023216,900 shares $364,392.00 -0.8%1.8%5.6 $1.68 10/31/2023218,700 shares $382,725.00 -7.6%1.6%5.2 $1.75 10/15/2023236,600 shares $451,906.00 +1.6%1.7%5 $1.91 9/30/2023233,000 shares $433,380.00 +56.7%1.7%4.9 $1.86 9/15/2023148,700 shares $258,738.00 +31.4%1.1%3.3 $1.74The Trump Dump is starting; Get out of stocks now? (Ad)The first 365 days of the Trump presidency… Will be the best time to get rich in American history.If I’m right about this (like I was before) a modest $900 investment could grow to a life-changing a 8/31/2023113,200 shares $201,496.00 -14.1%0.8%3.2 $1.78 8/15/2023131,700 shares $287,106.00 -10.8%1.0%4.4 $2.18 7/31/2023147,700 shares $432,761.00 +5.4%1.1%5.1 $2.93 7/15/2023140,200 shares $455,650.00 -3.3%1.1%5.3 $3.25 6/30/2023145,000 shares $477,775.00 -1.3%1.1%5.1 $3.30 6/15/2023146,900 shares $502,398.00 -0.9%1.1%4.2 $3.42 5/31/2023148,200 shares $478,686.00 +3.8%1.1%3.1 $3.23 5/15/2023142,800 shares $489,804.00 -2.5%1.1%1.8 $3.43 4/30/2023146,400 shares $490,440.00 -19.6%0.8%0.1 $3.35 4/15/2023182,100 shares $613,677.00 -24.9%1.0%0.1 $3.37 3/31/2023242,600 shares $929,158.00 -23.3%1.4%0.2 $3.83 3/15/2023316,100 shares $1.26 million -19.9%2.1%0.2 $4.00 2/28/2023394,700 shares $1.44 million +612.5%2.6%0.3 $3.66 2/15/202355,400 shares $125,758.00 -16.8%0.4%0 $2.27 1/31/202366,600 shares $101,232.00 -3.1%0.6%2.4 $1.52 1/15/202368,700 shares $106,485.00 -0.3%0.6%2.2 $1.55 12/30/202268,900 shares $86,814.00 +2.1%0.6%1.9 $1.26 12/15/202267,500 shares $83,025.00 -9.5%0.6%2.1 $1.23 11/30/202274,600 shares $99,964.00 -10.7%0.7%2.4 $1.34 11/15/202283,500 shares $119,405.00 +21.9%0.7%2.4 $1.43 10/31/202268,500 shares $105,490.00 -25.3%0.6%2 $1.54 10/15/202291,700 shares $145,803.00 -6.0%0.8%2.8 $1.59 9/30/202297,500 shares $156,000.00 +65.5%0.9%2.6 $1.60 9/15/202258,900 shares $102,486.00 +0.9%0.5%0.8 $1.74 8/31/202258,400 shares $122,640.00 -22.2%0.5%0.7 $2.10 8/15/202275,100 shares $190,754.00 -32.6%0.7%0.7 $2.54 7/31/2022111,400 shares $253,992.00 -4.4%1.0%0.9 $2.28 7/15/2022116,500 shares $199,215.00 -52.2%1.0%0.9 $1.71 6/30/2022243,500 shares $399,340.00 -31.7%3.0%1.7 $1.64 6/15/2022356,700 shares $438,741.00 -12.4%4.4%2.9 $1.23 5/31/2022407,000 shares $565,730.00 +44.7%5.0%3.9 $1.39 5/15/2022281,200 shares $478,040.00 +3.7%3.5%3.4 $1.70 4/30/2022271,300 shares $623,990.00 +53.6%3.6%3.9 $2.30 4/15/2022176,600 shares $402,648.00 -1.3%2.3%2.8 $2.28 3/31/2022179,000 shares $678,410.00 +62.7%2.4%3.3 $3.79 3/15/2022110,000 shares $408,100.00 -3.9%1.5%2.1 $3.71 2/28/2022114,500 shares $613,720.00 +7.9%1.5%2.6 $5.36 2/15/2022106,100 shares $744,822.00 -36.3%1.4%2.6 $7.02 1/31/2022166,600 shares $1.12 million -28.9%2.0%4.3 $6.75 1/15/2022234,300 shares $1.87 million +23.3%2.7%7.4 $8.00 12/31/2021190,100 shares $1.31 million +9.3%N/A6.9 $6.87 12/15/2021173,900 shares $1.47 million -1.6%1.9%5.6 $8.43 11/30/2021176,800 shares $1.87 million +0.1%1.9%4.2 $10.60 11/15/2021176,700 shares $1.88 million +9.1%1.9%3.3 $10.62 10/29/2021162,000 shares $1.67 million +38.5%1.8%2.4 $10.33 10/15/2021117,000 shares $1.27 million -48.3%1.3%1.6 $10.85 9/30/2021226,100 shares $2.51 million +48.7%2.5%1.5 $11.11 9/15/2021152,100 shares $1.39 million -1.6%1.7%0.9 $9.14 8/31/2021154,600 shares $1.54 million +58.4%1.7%0.8 $9.95 8/13/202197,600 shares $1.05 million No Change1.1%0.4 $10.77Trump + Musk = AI’s turning point (Ad)Trump may not code… but he knows how to pick winners. And according to insiders, his administration is preparing to fast-track a new class of AI infrastructure tech. Elon Musk has already poured $51 million into it.Chris Rowe just shared the full details in a live presentation… Watch it here before it comes down. SERA Short Interest - Frequently Asked Questions What is Sera Prognostics' current short interest? Short interest is the volume of Sera Prognostics shares that have been sold short but have not yet been covered or closed out. As of April 30th, traders have sold 761,600 shares of SERA short. 3.25% of Sera Prognostics' shares are currently sold short. Learn More on Sera Prognostics' current short interest. What is a good short interest ratio for Sera Prognostics? 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. SERA shares currently have a short interest ratio of 6.0. Learn More on Sera Prognostics's short interest ratio. What is a good short interest percentage for Sera Prognostics? 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. 3.25% of Sera Prognostics' floating shares are currently sold short. Is Sera Prognostics' short interest increasing or decreasing? Sera Prognostics saw a drop in short interest in the month of April. As of April 30th, there was short interest totaling 761,600 shares, a drop of 3.1% from the previous total of 786,000 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 Sera Prognostics' float size? Sera Prognostics currently has issued a total of 37,673,000 shares. Some of Sera Prognostics' 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. Sera Prognostics currently has a public float of 23,410,000 shares. How does Sera Prognostics' short interest compare to its competitors? 3.25% of Sera Prognostics' shares are currently sold short. Here is how the short interest of companies in the industry of "healthcare" compare to Sera Prognostics: Viemed Healthcare, Inc. (0.93%), AirSculpt Technologies, Inc. (36.05%), The Oncology Institute, Inc. (4.56%), EUDA Health Holdings Limited (0.10%), DocGo Inc. (7.58%), Exagen Inc. (0.98%), Quipt Home Medical Corp. (4.25%), Agape ATP Co. (0.66%), Kindly MD, Inc. (3.94%), P3 Health Partners Inc. (3.33%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Spotify Technology S.A. ($4.67 billion), Charter Communications, Inc. ($4.58 billion), Capital One Financial Co. ($4.47 billion), The Kroger Co. ($2.56 billion), Reddit, Inc. ($2.23 billion), Rivian Automotive, Inc. ($2.16 billion), Live Nation Entertainment, Inc. ($1.90 billion), SoFi Technologies, Inc. ($1.85 billion), Zscaler, Inc. ($1.75 billion), and Omnicom Group Inc. ($1.75 billion). View all of the most shorted stocks. What does it mean to sell short Sera Prognostics stock? Short selling SERA is an investing strategy that aims to generate trading profit from Sera Prognostics as its price is falling. SERA shares are trading down $0.20 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 Sera Prognostics? A short squeeze for Sera Prognostics 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 SERA, which in turn drives the price of the stock up even further. How often is Sera Prognostics' 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 SERA, twice per month. The most recent reporting period available is April, 30 2025. More Short Interest Resources from MarketBeat Related Companies Viemed Healthcare Short Interest Data AirSculpt Technologies Short Interest Data Oncology Institute Short Interest Data EUDA Health Short Interest Data DocGo Short Interest Data Exagen Short Interest Data Quipt Home Medical Short Interest Data Agape ATP Short Interest Data Kindly MD Short Interest Data P3 Health Partners 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 (NASDAQ:SERA) was last updated on 5/22/2025 by MarketBeat.com Staff From Our PartnersWarning: Prepare to Be Shocked by These PayoutsThere's a strategy out there paying up to 70% on tech stocks like Amazon, Tesla, and Microsoft—stocks that don...Investors Alley | SponsoredThe Trump Dump is starting; Get out of stocks now?The first 365 days of the Trump presidency… Will be the best time to get rich in American history.Paradigm Press | SponsoredThe Prophet's Newest PredictionA storm is brewing in the markets: new tariffs, recession warnings, and panic in the headlines. 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