Portman Ridge Finance (PTMN) Short Interest Ratio & Short Volume $12.27 +0.17 (+1.40%) Closing price 08/22/2025 04:00 PM EasternExtended Trading$12.40 +0.13 (+1.06%) As of 08/22/2025 06:27 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 ForecastsChartCompetitorsDividendEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Portman Ridge Finance Short Interest DataPortman Ridge Finance (PTMN) has a short interest of 38,900 shares, representing 0.30% of the float (the number of shares available for trading by the public). This marks a -89.76% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.9, indicating that it would take 0.9 days of the average trading volume of 51,344 shares to cover all short positions.Current Short Interest38,900 sharesPrevious Short Interest379,900 sharesChange Vs. Previous Month-89.76%Dollar Volume Sold Short$474.58 thousandShort Interest Ratio0.9 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares13,192,000 sharesFloat Size12,870,000 sharesShort Percent of Float0.30%Today's Trading Volume53,056 sharesAverage Trading Volume51,344 sharesToday's Volume Vs. Average103% Short Selling Portman Ridge Finance? Sign up to receive the latest short interest report for Portman Ridge Finance and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartPTMN Short Interest Over TimePTMN Days to Cover Over TimePTMN Percentage of Float Shorted Over Time Portman Ridge Finance Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/202538,900 shares $474.58 thousand -89.8%0.3%0.9 $12.20 7/15/2025379,900 shares $4.88 million +26.4%3.0%8.3 $12.85 6/30/2025300,600 shares $3.76 million +10.6%3.4%6.3 $12.52 6/15/2025271,900 shares $3.14 million +9.5%3.0%5 $11.56 5/31/2025248,300 shares $3.00 million +5.0%2.8%4.5 $12.07 5/15/2025236,500 shares $2.98 million +62.3%2.6%4.4 $12.60 4/30/2025145,700 shares $1.78 million +43.3%1.6%2.8 $12.20 4/15/2025101,700 shares $1.21 million -13.0%1.1%2 $11.86 3/31/2025116,900 shares $1.68 million -18.7%1.3%2.5 $14.35 3/15/2025143,700 shares $2.27 million +22.0%1.6%3.5 $15.79 Get the Latest News and Ratings for PTMN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Portman Ridge Finance and its competitors with MarketBeat's FREE daily newsletter. 2/28/2025117,800 shares $2.06 million +31.2%1.3%2.9 $17.45 2/15/202589,800 shares $1.55 million +72.0%1.0%1.9 $17.31 1/31/202552,200 shares $888.44 thousand +22.8%0.6%0.9 $17.02 1/15/202542,500 shares $688.50 thousand -34.3%0.5%0.8 $16.20 12/31/202464,700 shares $1.06 million +85.9%0.7%1.2 $16.34 12/15/202434,800 shares $582.20 thousand +0.9%0.4%0.6 $16.73 11/30/202434,500 shares $590.64 thousand -31.0%0.4%0.7 $17.12 11/15/202450,000 shares $895.00 thousand +39.3%0.6%1.1 $17.90 10/31/202435,900 shares $671.33 thousand +10.5%0.4%0.8 $18.70 10/15/202432,500 shares $586.63 thousand +17.3%0.4%0.7 $18.05 9/30/202427,700 shares $513.84 thousand -33.6%0.3%0.6 $18.55 9/15/202441,700 shares $760.19 thousand +30.3%0.5%1 $18.23 8/31/202432,000 shares $597.44 thousand -36.9%0.4%0.8 $18.67 8/15/202450,700 shares $970.91 thousand +133.6%0.6%1.3 $19.15 7/31/202421,700 shares $430.96 thousand +30.7%0.2%0.6 $19.86 7/15/202416,600 shares $325.19 thousand -65.2%0.2%0.5 $19.59 6/30/202447,700 shares $935.87 thousand +114.9%0.5%1.4 $19.62 6/15/202422,200 shares $427.79 thousand +29.1%0.2%0.5 $19.27 5/31/202417,200 shares $342.11 thousand -50.6%0.2%0.4 $19.89 5/15/202434,800 shares $698.44 thousand +74.9%0.4%0.8 $20.07 4/30/202419,900 shares $390.44 thousand -54.9%0.2%0.5 $19.62 4/15/202444,100 shares $837.46 thousand +62.1%0.5%1.1 $18.99 3/31/202427,200 shares $516.26 thousand +61.9%0.3%0.6 $18.98 3/15/202416,800 shares $320.88 thousand -13.0%0.2%0.4 $19.10 2/29/202419,300 shares $354.73 thousand -43.2%0.2%0.5 $18.38 2/15/202434,000 shares $632.74 thousand -9.3%0.4%0.8 $18.61 1/31/202437,500 shares $705.75 thousand +1.6%0.4%0.7 $18.82 1/15/202436,900 shares $683.39 thousand +34.7%0.4%0.6 $18.52 12/31/202327,400 shares $498.41 thousand -23.7%0.3%0.5 $18.19 12/15/202335,900 shares $613.89 thousand +34.0%0.4%0.7 $17.10Musk’s Project Colossus could mint millionaires (Ad)I predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new millionaires than any tech advance in history. And for a limited time, you have the chance to claim a stake in this project, even though it’s housed inside Elon’s private company, xAI.All the details are waiting for you now — but you need to act before the September 1st funding windo 11/30/202326,800 shares $450.24 thousand -9.2%0.3%0.6 $16.80 11/15/202329,500 shares $501.50 thousand +12.6%0.3%0.7 $17.00 10/31/202326,200 shares $448.02 thousand -26.0%0.3%0.9 $17.10 10/15/202335,400 shares $650.65 thousand -9.5%0.4%1.5 $18.38 9/30/202339,100 shares $752.68 thousand -27.7%0.4%1.7 $19.25 9/15/202354,100 shares $1.02 million +8.6%0.6%2.4 $18.88 8/31/202349,800 shares $986.04 thousand +2.5%0.5%2.6 $19.80 8/15/202348,600 shares $1.01 million -21.7%0.5%2.5 $20.80 7/31/202362,100 shares $1.28 million -0.8%0.7%3.2 $20.60 7/15/202362,600 shares $1.29 million -0.8%0.7%3.7 $20.59 6/30/202363,100 shares $1.26 million -0.2%0.7%4 $19.99 6/15/202363,200 shares $1.26 million -0.9%0.7%4.1 $19.98 5/31/202363,800 shares $1.22 million -1.1%0.7%3.6 $19.20 5/15/202364,500 shares $1.31 million +1.1%0.7%4 $20.30 4/30/202363,800 shares $1.30 million -0.5%0.7%4.5 $20.31 4/15/202364,100 shares $1.32 million -1.8%0.7%4.8 $20.59 3/31/202365,300 shares $1.35 million -12.0%0.7%4.5 $20.61 3/15/202374,200 shares $1.57 million +4.5%0.8%4.6 $21.21 2/28/202371,000 shares $1.64 million +2.2%0.7%4.4 $23.12 2/15/202369,500 shares $1.58 million -3.9%0.7%3.8 $22.75 1/31/202372,300 shares $1.62 million -8.1%0.8%3.3 $22.45 1/15/202378,700 shares $1.79 million -2.7%0.8%3.5 $22.77 12/30/202280,900 shares $1.86 million +83.0%0.9%3.6 $23.00 12/15/202244,200 shares $976.60 thousand +1.8%0.5%1.9 $22.10 11/30/202243,400 shares $963.91 thousand -21.9%0.5%2 $22.21 11/15/202255,600 shares $1.25 million +12.1%0.6%2.8 $22.50 10/31/202249,600 shares $1.04 million -21.8%0.5%2.5 $20.94 10/15/202263,400 shares $1.27 million +1.6%0.7%3 $20.02 9/30/202262,400 shares $1.31 million -20.0%0.7%2.9 $21.00 9/15/202278,000 shares $1.72 million -8.6%0.8%3.2 $22.10 8/31/202285,300 shares $1.90 million -0.5%0.9%2.8 $22.32 8/15/202285,700 shares $2.01 million -13.9%0.9%2.6 $23.46 7/31/202299,500 shares $2.40 million -16.5%1.1%2.9 $24.13 7/15/2022119,200 shares $2.83 million -8.1%1.3%3.3 $23.75 6/30/2022129,700 shares $3.04 million +61.3%1.4%3.4 $23.43 6/15/202280,400 shares $1.83 million +28.0%0.9%1.9 $22.78 5/31/202262,800 shares $1.40 million +10.6%0.7%1.5 $22.37 5/15/202256,800 shares $1.27 million -17.1%0.6%1.3 $22.39 4/30/202268,500 shares $1.63 million -6.2%0.7%1.6 $23.80 4/15/202273,000 shares $1.73 million +14.1%0.8%1.6 $23.72 3/31/202264,000 shares $1.55 million -34.2%0.7%1.3 $24.18 3/15/202297,300 shares $2.34 million -22.9%1.0%2.1 $24.08 2/28/2022126,200 shares $3.02 million +4.8%1.3%2.9 $23.94 2/15/2022120,400 shares $2.99 million +2.0%1.3%2.6 $24.85 1/31/2022118,000 shares $2.95 million +26.1%1.3%2.5 $25.01 1/15/202293,600 shares $2.32 million +74.0%1.0%2 $24.80 12/31/202153,800 shares $1.33 million +37.6%0.6%1.3 $24.76 12/15/202139,100 shares $954.43 thousand +29.9%0.4%1 $24.41 11/30/202130,100 shares $744.07 thousand +57.6%0.3%0.8 $24.72 11/15/202119,100 shares $473.68 thousand -42.3%0.2%0.5 $24.80Musk’s Project Colossus could mint millionaires (Ad)I predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new millionaires than any tech advance in history. And for a limited time, you have the chance to claim a stake in this project, even though it’s housed inside Elon’s private company, xAI.All the details are waiting for you now — but you need to act before the September 1st funding windo 10/29/202133,100 shares $819.23 thousand +0.6%0.4%0.9 $24.75 10/15/202132,900 shares $803.09 thousand -8.9%0.4%1 $24.41 9/30/202136,100 shares $879.04 thousand -0.3%0.4%1.1 $24.35 9/15/202136,200 shares $865.54 thousand +47.8%0.4%1.2 $23.91 8/31/202124,500 shares $593.15 thousand -87.4%0.3%0.8 $24.21 8/13/2021194,800 shares $5.01 million -7.0%N/A0.6 $25.70 7/30/2021209,400 shares $490.00 thousand +9.9%0.3%0.6 $2.34 7/15/2021190,600 shares $449.82 thousand -7.0%0.3%0.5 $2.36 6/30/2021204,900 shares $487.66 thousand -37.4%0.3%0.5 $2.38 6/15/2021327,100 shares $788.31 thousand -16.0%0.5%0.8 $2.41 5/28/2021389,400 shares $918.98 thousand +4.8%0.5%0.9 $2.36 5/14/2021371,500 shares $899.03 thousand +15.4%N/A0.8 $2.42 4/30/2021322,000 shares $750.26 thousand -0.1%N/A0.7 $2.33 4/15/2021322,200 shares $779.72 thousand +24.8%N/A0.7 $2.42 3/31/2021258,200 shares $552.55 thousand +7.1%N/A0.6 $2.14 3/15/2021241,200 shares $523.40 thousand -7.7%N/A0.5 $2.17 2/26/2021261,200 shares $540.68 thousand +20.9%N/A0.6 $2.07 2/12/2021216,000 shares $453.60 thousand +29.1%N/A0.5 $2.10 1/29/2021167,300 shares $332.93 thousand -9.9%N/A0.4 $1.99 1/15/2021185,600 shares $345.22 thousand +26.9%N/A0.5 $1.86 12/31/2020146,300 shares $254.56 thousand +12.1%N/A0.4 $1.74 12/15/2020130,500 shares $212.72 thousand +36.7%N/A0.4 $1.63 11/30/202095,500 shares $155.67 thousand +3.2%N/A0.3 $1.63 11/15/202092,500 shares $133.20 thousand -59.1%N/A0.3 $1.44 10/30/2020226,300 shares $291.93 thousand -88.0%N/A0.9 $1.29 10/15/20201,890,000 shares $2.55 million +2.2%N/A8.1 $1.35 9/30/20201,850,000 shares $2.46 million +6.9%N/A8 $1.33 9/15/20201,730,000 shares $2.18 million +18.5%N/A7.1 $1.26 8/31/20201,460,000 shares $1.71 million +33.9%N/A6.3 $1.17 PTMN Short Interest - Frequently Asked Questions What is Portman Ridge Finance's current short interest? Short interest is the volume of Portman Ridge Finance shares that have been sold short but have not yet been covered or closed out. As of July 31st, investors have sold 38,900 shares of PTMN short. 0.30% of Portman Ridge Finance's shares are currently sold short. Learn More on Portman Ridge Finance's current short interest. What is a good short interest ratio for Portman Ridge Finance? 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. PTMN shares currently have a short interest ratio of 1.0. Learn More on Portman Ridge Finance's short interest ratio. What is a good short interest percentage for Portman Ridge Finance? 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. 0.30% of Portman Ridge Finance's floating shares are currently sold short. Is Portman Ridge Finance's short interest increasing or decreasing? Portman Ridge Finance saw a decrease in short interest in July. As of July 31st, there was short interest totaling 38,900 shares, a decrease of 89.8% from the previous total of 379,900 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 Portman Ridge Finance's float size? Portman Ridge Finance currently has issued a total of 13,190,000 shares. Some of Portman Ridge Finance's 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. Portman Ridge Finance currently has a public float of 12,870,000 shares. How does Portman Ridge Finance's short interest compare to its competitors? 0.30% of Portman Ridge Finance's shares are currently sold short. Here is how the short interest of companies in the industry of "financial services" compare to Portman Ridge Finance: Eaton Vance Municipal Income Trust (0.71%), Barings Corporate Investors (0.04%), BlackRock MuniVest Fund, Inc. (0.22%), Saratoga Investment Corp (2.00%), abrdn Life Sciences Investors (0.15%), BNY Mellon Strategic Municipals, Inc. (0.14%), Japan Smaller Capitalization Fund, Inc. (0.07%), BlackRock MuniYield New York Quality Fund, Inc. (0.21%), Virtus Total Return Fund Inc. (0.13%), MFS Intermediate Income Trust (0.08%), 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 ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks. What does it mean to sell short Portman Ridge Finance stock? Short selling PTMN is an investing strategy that aims to generate trading profit from Portman Ridge Finance as its price is falling. PTMN shares are trading up $0.17 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 Portman Ridge Finance? A short squeeze for Portman Ridge Finance 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 PTMN, which in turn drives the price of the stock up even further. How often is Portman Ridge Finance'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 PTMN, twice per month. The most recent reporting period available is July, 31 2025. More Short Interest Resources from MarketBeat Related Companies Eaton Vance Municipal Income Trust Short Interest Barings Corporate Investors Short Interest BlackRock MuniVest Fund Short Interest Saratoga Investment Short Interest abrdn Life Sciences Investors Short Interest BNY Mellon Strategic Municipals Short Interest Japan Smaller Capitalization Fund Short Interest BlackRock MuniYield New York Quality Fund Short Interest Virtus Total Return Fund Short Interest DWS Municipal Income Trust 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:PTMN) was last updated on 8/23/2025 by MarketBeat.com Staff From Our PartnersBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. 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