Tourmaline Oil (TRMLF) Short Interest Ratio & Short Volume $46.88 -0.73 (-1.54%) As of 06/25/2025 03:45 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 12.25 million shares, representing 3.23% of the float (the number of shares available for trading by the public). This marks a -0.30% decrease in short interest from the previous month. The short interest ratio (days to cover) is 409.7, indicating that it would take 409.7 days of the average trading volume of 40,788 shares to cover all short positions.Current Short Interest12,248,900 sharesPrevious Short Interest12,285,600 sharesChange Vs. Previous Month-0.30%Dollar Volume Sold Short$555.30 millionShort Interest Ratio409.7 Days to CoverLast Record DateMay 31, 2025Outstanding Shares386,770,000 sharesShort Percent of Float3.23%Today's Trading Volume10,457 sharesAverage Trading Volume40,788 sharesToday's Volume Vs. Average26% Short Selling Tourmaline Oil? Sign up to receive the latest short interest report for Tourmaline Oil and its competitors with MarketBeat's FREE newsletter. 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 5/31/202512,248,900 shares $555.30 million -0.3%3.2%409.7 $45.34 5/15/202512,285,600 shares $554.41 million +30.9%3.3%132.4 $45.13 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 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. 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 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 $50.51Is Elon's empire crumbling? 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Click here to see the Tesla shock that could blindside everyone. 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 $51.40 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 $26.74Is Elon's empire crumbling? 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Click here to see the Tesla shock that could blindside everyone. 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 $27.24 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 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 covered or closed out. As of May 31st, investors have sold 12,248,900 shares of TRMLF short. 3.23% of Tourmaline Oil's shares are currently sold 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 410.0. Learn More on Tourmaline Oil's short interest ratio. What is a good short interest percentage for Tourmaline Oil? 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. 3.23% of Tourmaline Oil's floating shares are currently sold short. Is Tourmaline Oil's short interest increasing or decreasing? Tourmaline Oil saw a drop in short interest during the month of May. As of May 31st, there was short interest totaling 12,248,900 shares, a drop of 0.3% from the previous total of 12,285,600 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? 3.23% of Tourmaline Oil's shares are currently sold short. Here is how the short interest of companies compare to Tourmaline Oil: Canadian Natural Resources Limited (3.86%), Arc Resources Ltd. (1.14%), Ovintiv Inc. (3.13%), Paramount Resources Ltd. (2.11%), Birchcliff Energy Ltd. (2.11%), Enerflex Ltd. (1.20%), Bonterra Energy Corp. (0.98%), Paradigm Oil and Gas Inc. (0.01%), Williams Companies, Inc. (The) (1.40%), Enterprise Products Partners L.P. (1.75%), 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 ($64.96 billion), Invesco QQQ ($27.88 billion), iShares Russell 2000 ETF ($19.94 billion), iShares 20+ Year Treasury Bond ETF ($9.69 billion), MicroStrategy Incorporated ($8.58 billion), SPDR S&P Biotech ETF ($5.72 billion), Invesco S&P 500 Equal Weight ETF ($5.45 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.70 billion), Charter Communications, Inc. ($4.54 billion), and Industrial Select Sector SPDR Fund ($4.49 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 down $0.73 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 increases 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 May, 31 2025. More Short Interest Resources from MarketBeat Related Companies Canadian Natural Resources Short Squeeze Arc Resources Short Squeeze Ovintiv Short Squeeze Paramount Resources Short Squeeze Birchcliff Energy Short Squeeze Enerflex Short Squeeze Bonterra Energy Short Squeeze Paradigm Oil and Gas Short Squeeze Sonde Resources Short Squeeze Williams Companies 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 6/26/2025 by MarketBeat.com Staff From Our PartnersIs Elon's empire crumbling?The Tesla Shock Nobody Sees Coming While headlines scream "Tesla is doomed"... Jeff Brown has uncovered ...Brownstone Research | SponsoredWhen This Happens, You Don’t Wait. You Act.This same signal has appeared twice before in the past 8 years — both times, it kicked off major moves in cryp...Crypto Swap Profits | Sponsored3..2..1.. 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