Tourmaline Oil (TRMLF) Short Interest Ratio & Short Volume $45.95 -1.51 (-3.18%) As of 03:59 PM Eastern Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartDividendEarningsHeadlinesShort InterestBuy This Stock Tourmaline Oil Short Interest DataTourmaline Oil (TRMLF) has a short interest of 9.38 million shares. This marks a -2.00% decrease in short interest from the previous month. The short interest ratio (days to cover) is 219.8, indicating that it would take 219.8 days of the average trading volume of 68,285 shares to cover all short positions.Current Short Interest9,384,400 sharesPrevious Short Interest9,575,800 sharesChange Vs. Previous Month-2.00%Dollar Volume Sold Short$414.70 millionShort Interest Ratio219.8 Days to CoverLast Record DateApril 30, 2025Outstanding Shares374,523,000 sharesPercentage of Shares Shorted2.51%Today's Trading Volume34,367 sharesAverage Trading Volume68,285 sharesToday's Volume Vs. Average50% Short Selling Tourmaline Oil? 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Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartTRMLF Short Interest Over TimeTRMLF Days to Cover Over TimeTRMLF Percentage of Float Shorted Over Time Tourmaline Oil Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/20259,384,400 shares $414.70 million -2.0%N/A219.8 $44.19 4/15/20259,575,800 shares $418.84 million -37.7%2.6%79.4 $43.74 3/31/202515,358,700 shares $740.90 million -48.1%4.1%364.8 $48.24 3/15/202529,587,500 shares $1.32 billion +126.0%7.9%245.9 $44.69 2/28/202513,091,200 shares $603.50 million +36.4%3.5%98.4 $46.10 2/15/20259,596,100 shares $458.31 million -2.4%2.6%85.8 $47.76 1/31/20259,830,500 shares $448.17 million -0.6%N/A92 $45.59 1/15/20259,889,100 shares $466.37 million -1.9%N/A68.4 $47.16 12/31/202410,079,700 shares $466.09 million -4.4%N/A76.8 $46.24 12/15/202410,548,100 shares $468.60 million -2.3%N/A170.4 $44.43 Get the Latest News and Ratings for TRMLF and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Tourmaline Oil and its competitors with MarketBeat's FREE daily newsletter. 11/30/202410,800,300 shares $508.80 million -18.2%N/A74.7 $47.11 11/15/202413,202,000 shares $586.04 million +6.3%N/A146.7 $44.39 10/31/202412,422,100 shares $572.66 million +52.0%N/A153.7 $46.10 10/15/20248,172,100 shares $375.18 million -24.1%N/A38.1 $45.91 9/30/202410,762,400 shares $500.34 million -65.7%N/A69.1 $46.49 9/15/202431,411,900 shares $1.37 billion +46.9%N/A543.5 $43.48 8/31/202421,384,300 shares $972.17 million -7.7%N/A219.8 $45.46 8/15/202423,173,300 shares $1.07 billion +107.1%N/A470 $45.98 7/31/202411,192,100 shares $492.34 million +92.9%N/A476.3 $43.99 7/15/20245,803,500 shares $261.37 million +2.7%N/A257.9 $45.04 6/30/20245,652,100 shares $256.21 million -63.9%N/A123.4 $45.33 6/15/202415,673,600 shares $720.05 million +54.1%N/A413.6 $45.94 5/31/202410,174,600 shares $502.83 million -32.7%N/A215.6 $49.42 5/15/202415,124,100 shares $729.48 million +62.2%N/A302.5 $48.23 4/30/20249,322,200 shares $461.45 million +66.9%N/A493.2 $49.50 4/15/20245,585,100 shares $261.83 million -11.0%N/A153.4 $46.88 3/31/20246,274,500 shares $293.65 million -5.1%N/A243.2 $46.80 3/15/20246,611,000 shares $300.40 million +0.5%N/A74 $45.44 2/29/20246,576,900 shares $297.34 million -44.9%N/A161.6 $45.21 2/15/202411,945,700 shares $501.12 million -43.4%N/A238.9 $41.95 1/15/202414,209,300 shares $660.98 million +98.9%N/A94.2 $46.52 12/31/20237,142,800 shares $321.85 million -37.5%N/A45.2 $45.06 12/15/202311,420,700 shares $500.00 million +13.9%N/A83.4 $43.78 11/30/202310,026,400 shares $486.88 million -25.8%N/A101.8 $48.56 11/15/202313,517,300 shares $669.82 million -10.1%N/A87.3 $49.55 10/31/202315,027,500 shares $792.81 million +31.7%N/A137.5 $52.76 10/15/202311,414,000 shares $579.83 million +4.1%N/A128.1 $50.80 9/30/202310,964,600 shares $553.82 million -31.9%N/A101.4 $50.51 9/15/202316,106,400 shares $833.51 million -28.6%N/A258.5 $51.75 8/31/202322,559,800 shares $1.16 billion -43.6%N/A266 $51.40A grave, grave error. (Ad)I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. Because here we are, a quarter of a century later, almost to the exact day, and it’s happening again. Here’s the full story for you. 8/15/202340,009,200 shares $2.02 billion +57.5%N/A808.3 $50.55 7/31/202325,396,000 shares $1.31 billion +121.7%N/A829.9 $51.74 7/15/202311,456,000 shares $559.74 million +43.4%N/A208.3 $48.86 6/30/20237,989,600 shares $376.79 million -26.3%N/A201.8 $47.16 6/15/202310,842,500 shares $502.44 million -32.6%N/A330.6 $46.34 5/31/202316,086,100 shares $673.53 million -47.3%N/A412.5 $41.87 5/15/202330,542,700 shares $1.32 billion +90.3%N/A543.5 $43.12 4/30/202316,049,100 shares $720.85 million +133.8%N/A302.8 $44.92 4/15/20236,871,800 shares $310.88 million -1.5%N/A81.7 $45.24 3/31/20236,974,800 shares $290.36 million +9.4%N/A48.1 $41.63 3/15/20236,377,400 shares $246.74 million +23.6%N/A59.9 $38.69 2/28/20235,160,700 shares $225.73 million -32.6%N/A46.5 $43.74 2/15/20237,659,700 shares $353.04 million -7.9%N/A111 $46.09 1/31/20238,316,000 shares $387.69 million +60.6%N/A58.5 $46.62 1/15/20235,179,600 shares $255.51 million -8.2%N/A72.8 $49.33 12/30/20225,639,800 shares $284.81 million -51.1%N/A119.2 $50.50 12/15/202211,528,200 shares $624.94 million -1.1%N/A171.6 $54.21 11/30/202211,654,700 shares $707.11 million -44.4%N/A298.1 $60.67 11/15/202220,952,700 shares $1.27 billion +51.6%N/A182 $60.45 10/31/202213,824,500 shares $782.47 million +79.3%N/A275.4 $56.60 10/15/20227,709,700 shares $424.50 million +23.5%N/A143.8 $55.06 9/30/20226,244,800 shares $324.11 million +97.1%N/A81.1 $51.90 9/15/20223,169,100 shares $196.45 million -5.1%N/A30.4 $61.99 8/31/20223,338,800 shares $196.92 million -67.2%N/A34.9 $58.98 8/15/202210,169,900 shares $598.60 million -5.1%N/A88.5 $58.86 7/31/202210,716,200 shares $671.03 million +48.7%N/A186 $62.62 7/15/20227,204,800 shares $354.55 million +34.3%N/A119.1 $49.21 6/30/20225,363,900 shares $278.65 million +16.4%N/A55.5 $51.95 6/15/20224,608,600 shares $259.14 million -26.2%N/A47.2 $56.23 5/31/20226,247,800 shares $385.52 million -4.9%N/A43.7 $61.71 5/15/20226,566,000 shares $349.38 million +51.3%N/A50.7 $53.21 4/30/20224,340,700 shares $222.33 million +41.8%N/A29.4 $51.22 4/15/20223,060,700 shares $155.06 million -18.1%N/A16.5 $50.66 3/31/20223,736,200 shares $172.69 million +11.4%N/A26.6 $46.22 3/15/20223,354,200 shares $128.29 million -7.3%N/A25.7 $38.25 2/28/20223,619,900 shares $142.19 million -16.9%N/A81.9 $39.28 2/15/20224,355,000 shares $160.87 million -14.0%N/A89.1 $36.94 1/31/20225,064,300 shares $180.49 million +65.0%N/A55.3 $35.64 1/15/20223,069,800 shares $110.88 million -19.9%N/A31.8 $36.12 12/31/20213,833,500 shares $123.82 million -3.9%N/A119.8 $32.30 12/15/20213,990,100 shares $122.58 million +47.0%N/A71.3 $30.72 11/30/20212,714,900 shares $90.92 million +16.1%N/A26.2 $33.49 11/15/20212,339,100 shares $85.45 million +31.0%N/A47.1 $36.53 10/29/20211,785,100 shares $64.48 million -8.0%N/A40.8 $36.12 10/15/20211,941,000 shares $69.21 million -13.4%N/A43.4 $35.66 9/30/20212,241,000 shares $78.22 million -17.8%N/A32 $34.90 9/15/20212,726,600 shares $92.26 million -9.4%N/A38.4 $33.84 8/31/20213,010,900 shares $80.51 million +7.6%N/A56.5 $26.74 8/13/20212,798,300 shares $72.25 million -5.1%N/A10.6 $25.82 7/30/20212,947,500 shares $80.29 million +4.8%N/A53.6 $27.24A grave, grave error. (Ad)I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. Because here we are, a quarter of a century later, almost to the exact day, and it’s happening again. Here’s the full story for you. 7/15/20212,813,200 shares $75.70 million +16.3%N/A103 $26.91 6/30/20212,418,100 shares $69.09 million +49.5%N/A48.8 $28.57 6/15/20211,617,900 shares $43.91 million +20.0%N/A31.8 $27.14 5/28/20211,348,200 shares $32.87 million -46.2%N/A16.6 $24.38 5/14/20212,505,200 shares $60.51 million +0.7%N/A55.2 $24.15 4/30/20212,488,700 shares $53.96 million +62.8%N/A139.8 $21.68 4/15/20211,529,200 shares $29.35 million +32.8%N/A78.8 $19.19 3/31/20211,151,900 shares $22.09 million +83.9%N/A24.3 $19.18 3/15/2021626,300 shares $13.11 million -36.8%N/A13.4 $20.93 2/26/2021990,700 shares $18.35 million -36.7%N/A31.7 $18.52 2/12/20211,564,100 shares $27.89 million +23.5%N/A53.2 $17.83 1/29/20211,266,500 shares $18.35 million +84.7%N/A30.8 $14.49 1/15/20212,038,200 shares $33.94 million +4.9%N/A47.2 $16.65 12/31/20202,121,200 shares $29.14 million +4.1%N/A106.6 $13.74 12/15/20202,038,200 shares $28.49 million +4.9%N/A47.2 $13.98 11/30/20201,942,600 shares $27.65 million +43.1%N/A50.7 $14.23 11/15/20201,357,300 shares $18.32 million +10.6%N/A79.4 $13.50 10/30/20201,227,000 shares $15.97 million -41.3%N/A49.7 $13.02 10/15/20202,089,200 shares $26.64 million +117.7%N/A120.1 $12.75 9/30/2020959,900 shares $11.78 million +14.6%N/A61.1 $12.27 9/15/2020837,400 shares $10.07 million -20.3%N/A167.5 $12.03 8/31/20201,050,200 shares $13.28 million +16.9%N/A84 $12.65 8/14/2020898,500 shares $11.60 million -1.9%N/A25 $12.92 7/31/2020915,600 shares $9.32 million -28.9%N/A76.3 $10.18 7/15/20201,287,200 shares $12.33 million -5.9%N/A37.3 $9.58 6/30/20201,367,300 shares $12.00 million +173.9%N/A76.8 $8.78 6/15/2020499,200 shares $4.39 million -0.9%N/A20.5 $8.80 5/29/2020503,800 shares $5.00 million -27.8%N/A16.6 $9.92 TRMLF Short Interest - Frequently Asked Questions What is Tourmaline Oil's current short interest? Short interest is the volume of Tourmaline Oil shares that have been sold short but have not yet been closed out or covered. As of April 30th, investors have sold 9,384,400 shares of TRMLF short. Learn More on Tourmaline Oil's current short interest. What is a good short interest ratio for Tourmaline Oil? 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. TRMLF shares currently have a short interest ratio of 220.0. Learn More on Tourmaline Oil's short interest ratio. Is Tourmaline Oil's short interest increasing or decreasing? Tourmaline Oil saw a decrease in short interest during the month of April. As of April 30th, there was short interest totaling 9,384,400 shares, a decrease of 2.0% from the previous total of 9,575,800 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 Tourmaline Oil's short interest compare to its competitors? Here is how the short interest of companies in the sector of "energy" compare to Tourmaline Oil: Enterprise Products Partners L.P. (1.63%), Canadian Natural Resources Limited (1.22%), Siemens Energy AG (0.00%), Equinor ASA (0.80%), EOG Resources, Inc. (2.78%), Energy Transfer LP (0.81%), Kinder Morgan, Inc. (1.95%), ONEOK, Inc. (1.65%), Cheniere Energy, Inc. (1.99%), Mplx Lp (2.01%), 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 Tourmaline Oil stock? Short selling TRMLF is an investing strategy that aims to generate trading profit from Tourmaline Oil as its price is falling. TRMLF shares are trading up $0.98 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 Tourmaline Oil? A short squeeze for Tourmaline Oil 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 TRMLF, which in turn drives the price of the stock up even further. How often is Tourmaline Oil'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 TRMLF, twice per month. The most recent reporting period available is April, 30 2025. More Short Interest Resources from MarketBeat Related Companies Enterprise Products Partners Short Squeeze Canadian Natural Resources Short Squeeze Siemens Energy Short Squeeze Equinor ASA Short Squeeze EOG Resources Short Squeeze Energy Transfer Short Squeeze Kinder Morgan Short Squeeze ONEOK Short Squeeze Cheniere Energy Short Squeeze Mplx Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (OTCMKTS:TRMLF) was last updated on 5/22/2025 by MarketBeat.com Staff From Our PartnersBuffett’s $325 Billion Cash Problem — Solved by Gold?A bombshell announcement is just weeks away — and it could send shockwaves through the gold market. Most inves...Golden Portfolio | SponsoredWhite House to reset Social Security?Elon Musk's parting DOGE gift looks set to shock America... 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