Tourmaline Oil Corp (TRMLF) stock
TRMLFOTCFiscal year ends December 25Also trades as TRMOY
$46.89+0.06 (+0.13%)
Close on Oct 19, 2026Market cap –P/E –Yield –
Price history
Tourmaline Oil share prices for every month, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 19, 2026
$46.89
+0.13% on the day
52-week range
$40.04 – $51.20
-8.4% from the high
Change over 52 weeks
+11.3%
From $42.15 on Oct 17, 2025
Average volume
215,075
Shares a day, last 90 sessions
| Month | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 2026 | $42.56 | $47.18 | $42.21 | $46.89 | +9.61% | 3,106,695 |
| Sep 2026 | $45.75 | $46.99 | $40.04 | $42.78 | -6.12% | 5,312,694 |
| Aug 2026 | $44.28 | $45.90 | $42.17 | $45.57 | +3.17% | 3,437,014 |
| Jul 2026 | $42.38 | $47.20 | $41.25 | $44.17 | +5.65% | 4,448,778 |
| Jun 2026 | $46.55 | $50.28 | $41.44 | $41.81 | -8.48% | 4,238,677 |
| May 2026 | $48.45 | $50.63 | $45.67 | $45.68 | -5.66% | 4,923,480 |
| Apr 2026 | $50.03 | $50.03 | $42.83 | $48.42 | +1.30% | 6,057,073 |
| Mar 2026 | $47.50 | $51.20 | $44.98 | $47.80 | +1.85% | 5,913,958 |
| Feb 2026 | $46.50 | $47.98 | $44.01 | $46.93 | -0.89% | 4,305,331 |
| Jan 2026 | $44.56 | $49.00 | $41.70 | $47.35 | +5.29% | 4,500,822 |
| Dec 2025 | $45.95 | $47.99 | $42.47 | $44.97 | -2.03% | 3,537,627 |
| Nov 2025 | $43.95 | $46.05 | $42.00 | $45.90 | +4.44% | 5,008,869 |
| Oct 2025 | $42.00 | $44.94 | $41.90 | $43.95 | +1.83% | 3,283,897 |
| Sep 2025 | $42.40 | $46.00 | $40.01 | $43.16 | +1.58% | 3,728,071 |
| Aug 2025 | $42.32 | $42.53 | $40.92 | $42.49 | -0.21% | 2,354,859 |
| Jul 2025 | $48.50 | $48.60 | $42.48 | $42.58 | -11.68% | 2,417,115 |
| Jun 2025 | $45.79 | $49.54 | $45.66 | $48.21 | +6.97% | 1,278,526 |
| May 2025 | $44.73 | $47.80 | $43.01 | $45.07 | +1.99% | 1,004,461 |
| Apr 2025 | $48.13 | $50.01 | $38.85 | $44.19 | -8.32% | 1,051,375 |
| Mar 2025 | $45.31 | $49.23 | $42.79 | $48.20 | +4.56% | 1,190,785 |
| Feb 2025 | $44.45 | $49.77 | $44.27 | $46.10 | +1.12% | 1,717,846 |
| Jan 2025 | $46.66 | $49.00 | $43.88 | $45.59 | -1.41% | 1,705,482 |
| Dec 2024 | $47.11 | $47.15 | $41.88 | $46.24 | -1.85% | 1,494,804 |
| Nov 2024 | $46.14 | $49.00 | $42.10 | $47.11 | +2.12% | 1,872,227 |
| Oct 2024 | $45.98 | $49.41 | $44.50 | $46.13 | -0.77% | 2,409,309 |
| Sep 2024 | $44.75 | $46.49 | $41.18 | $46.49 | +2.27% | 1,837,000 |
| Aug 2024 | $42.77 | $47.28 | $36.93 | $45.46 | +3.34% | 1,103,000 |
| Jul 2024 | $44.82 | $46.28 | $42.30 | $43.99 | -2.96% | 287,500 |
| Jun 2024 | $49.48 | $49.90 | $44.01 | $45.33 | -8.28% | 468,400 |
| May 2024 | $48.48 | $51.15 | $46.06 | $49.42 | -0.16% | 698,500 |
| Apr 2024 | $46.18 | $50.60 | $44.86 | $49.50 | +5.77% | 373,300 |
| Mar 2024 | $45.50 | $47.12 | $43.59 | $46.80 | +3.52% | 1,334,300 |
| Feb 2024 | $42.71 | $45.77 | $39.39 | $45.21 | +4.19% | 504,600 |
| Jan 2024 | $45.10 | $46.86 | $41.71 | $43.39 | -3.71% | 1,837,600 |
| Dec 2023 | $48.47 | $48.91 | $42.45 | $45.06 | -7.21% | 2,558,600 |
| Nov 2023 | $53.29 | $53.72 | $47.75 | $48.56 | -7.96% | 2,156,000 |
| Oct 2023 | $49.10 | $53.91 | $45.68 | $52.76 | +4.45% | 1,809,400 |
| Sep 2023 | $51.71 | $53.28 | $49.37 | $50.51 | -1.73% | 1,325,300 |
| Aug 2023 | $49.14 | $53.26 | $47.31 | $51.40 | -0.66% | 818,100 |
| Jul 2023 | $47.75 | $52.41 | $45.82 | $51.74 | +9.71% | 459,400 |
| Jun 2023 | $41.64 | $47.58 | $41.34 | $47.16 | +12.63% | 384,900 |
| May 2023 | $43.25 | $45.56 | $40.90 | $41.87 | -6.79% | 528,300 |
| Apr 2023 | $44.75 | $46.32 | $39.98 | $44.92 | +7.90% | 648,900 |
| Mar 2023 | $43.93 | $47.00 | $38.00 | $41.63 | -4.82% | 1,462,400 |
| Feb 2023 | $47.00 | $47.39 | $39.73 | $43.74 | -6.18% | 895,600 |
| Jan 2023 | $50.00 | $53.14 | $44.79 | $46.62 | -7.68% | 1,191,800 |
| Dec 2022 | $60.03 | $61.28 | $49.00 | $50.50 | -16.76% | 609,600 |
| Nov 2022 | $57.20 | $62.48 | $54.72 | $60.67 | +7.19% | 944,800 |
| Oct 2022 | $54.38 | $58.25 | $52.00 | $56.60 | +9.06% | 565,800 |
| Sep 2022 | $59.29 | $63.94 | $48.34 | $51.90 | -12.00% | 964,000 |
| Aug 2022 | $59.76 | $63.33 | $55.52 | $58.98 | -5.81% | 1,300,900 |
| Jul 2022 | $52.01 | $62.70 | $45.64 | $62.62 | +20.54% | 596,000 |
| Jun 2022 | $62.21 | $63.80 | $47.19 | $51.95 | -15.82% | 1,060,900 |
| May 2022 | $50.41 | $63.50 | $49.93 | $61.71 | +20.48% | 1,488,700 |
| Apr 2022 | $46.35 | $54.09 | $45.40 | $51.22 | +10.82% | 1,670,200 |
| Mar 2022 | $39.32 | $47.01 | $35.40 | $46.22 | +17.67% | 1,602,300 |
| Feb 2022 | $36.54 | $39.29 | $35.50 | $39.28 | +10.21% | 477,900 |
| Jan 2022 | $32.38 | $40.23 | $31.35 | $35.64 | +10.34% | 966,300 |
| Dec 2021 | $33.20 | $34.50 | $29.69 | $32.30 | -3.55% | 539,600 |
| Nov 2021 | $36.58 | $39.37 | $32.71 | $33.49 | -7.28% | 1,152,200 |
| Oct 2021 | $34.96 | $37.37 | $33.50 | $36.12 | +3.50% | 488,600 |
| Sep 2021 | $26.43 | $36.97 | $26.22 | $34.90 | +30.52% | 764,400 |
| Aug 2021 | $28.96 | $28.99 | $22.26 | $26.74 | -1.84% | 1,666,200 |
| Jul 2021 | $28.95 | $29.43 | $24.63 | $27.24 | -4.66% | 472,600 |
| Jun 2021 | $25.34 | $28.69 | $24.51 | $28.57 | +17.19% | 569,100 |
| May 2021 | $21.61 | $25.50 | $21.61 | $24.38 | +13.29% | 763,800 |
| Apr 2021 | $19.14 | $21.98 | $18.41 | $21.52 | +12.79% | 241,800 |
| Mar 2021 | $18.74 | $21.95 | $17.61 | $19.08 | +4.72% | 708,100 |
| Feb 2021 | $14.75 | $19.71 | $14.47 | $18.22 | +28.04% | 342,100 |
| Jan 2021 | $14.02 | $16.95 | $13.62 | $14.23 | +4.86% | 354,400 |
| Dec 2020 | $14.17 | $14.25 | $12.56 | $13.57 | -3.14% | 455,900 |
| Nov 2020 | $12.82 | $15.98 | $12.54 | $14.01 | +8.35% | 318,900 |
| Oct 2020 | $12.17 | $14.56 | $11.89 | $12.93 | +5.38% | 356,400 |
| Sep 2020 | $12.50 | $13.03 | $11.73 | $12.27 | -3.00% | 144,700 |
| Aug 2020 | $10.55 | $13.77 | $9.86 | $12.65 | +24.26% | 274,500 |
| Jul 2020 | $9.10 | $10.40 | $7.79 | $10.18 | +15.95% | 321,300 |
| Jun 2020 | $9.92 | $10.89 | $8.42 | $8.78 | -11.49% | 328,900 |
| May 2020 | $9.64 | $10.57 | $9.00 | $9.92 | 0.00% | 715,500 |
| Apr 2020 | $6.01 | $10.24 | $5.95 | $9.92 | +59.49% | 685,500 |
| Mar 2020 | $8.31 | $8.53 | $4.69 | $6.22 | -23.59% | 628,200 |
| Feb 2020 | $10.09 | $10.31 | $7.66 | $8.14 | -19.64% | 531,100 |
| Jan 2020 | $11.90 | $12.54 | $9.75 | $10.13 | -13.71% | 309,400 |
| Dec 2019 | $9.09 | $11.85 | $8.75 | $11.74 | +26.24% | 263,400 |
| Nov 2019 | $8.76 | $10.10 | $8.75 | $9.30 | +8.52% | 624,200 |
| Oct 2019 | $9.77 | $9.79 | $7.87 | $8.57 | -15.40% | 475,600 |
| Sep 2019 | $9.25 | $11.35 | $9.16 | $10.13 | +7.54% | 426,900 |
| Aug 2019 | $12.40 | $12.40 | $9.26 | $9.42 | -28.37% | 655,200 |
| Jul 2019 | $12.50 | $13.61 | $12.00 | $13.15 | +3.22% | 548,900 |
| Jun 2019 | $12.86 | $13.47 | $11.56 | $12.74 | -1.39% | 329,100 |
| May 2019 | $14.66 | $14.82 | $12.92 | $12.92 | -14.44% | 33,000 |
| Apr 2019 | $15.52 | $16.65 | $15.10 | $15.10 | -3.14% | 15,200 |
| Mar 2019 | $15.30 | $16.39 | $15.15 | $15.59 | +2.36% | 75,600 |
| Feb 2019 | $13.45 | $16.11 | $13.45 | $15.23 | +11.90% | 93,500 |
| Jan 2019 | $12.86 | $14.37 | $12.65 | $13.61 | +9.41% | 223,700 |
| Dec 2018 | $14.21 | $14.39 | $11.71 | $12.44 | -8.26% | 474,000 |
| Nov 2018 | $14.73 | $15.24 | $13.40 | $13.56 | -9.24% | 84,500 |
| Oct 2018 | $18.00 | $18.50 | $14.36 | $14.94 | -14.09% | 26,500 |
| Sep 2018 | $15.99 | $17.39 | $14.79 | $17.39 | +6.62% | 36,800 |
| Aug 2018 | $19.43 | $19.65 | $16.28 | $16.31 | -16.06% | 29,300 |
| Jul 2018 | $16.81 | $19.65 | $16.81 | $19.43 | +9.40% | 130,200 |
| Jun 2018 | $19.80 | $19.90 | $17.29 | $17.76 | -10.84% | 89,900 |
| May 2018 | $18.57 | $20.35 | $17.75 | $19.92 | +4.79% | 55,400 |
| Apr 2018 | $16.96 | $19.24 | $16.60 | $19.01 | +13.42% | 33,800 |
| Mar 2018 | $14.53 | $17.10 | $14.08 | $16.76 | +15.27% | 112,000 |
| Feb 2018 | $16.10 | $16.10 | $14.16 | $14.54 | -10.02% | 106,500 |
| Jan 2018 | $18.66 | $18.73 | $15.95 | $16.16 | -11.40% | 153,100 |
| Dec 2017 | $18.69 | $18.74 | $15.96 | $18.24 | +2.76% | 77,400 |
| Nov 2017 | $17.67 | $21.32 | $17.67 | $17.75 | -2.26% | 163,000 |
| Oct 2017 | $20.21 | $20.32 | $16.93 | $18.16 | -12.48% | 111,800 |
| Sep 2017 | $19.68 | $21.65 | $19.55 | $20.75 | +6.03% | 49,800 |
| Aug 2017 | $21.87 | $21.97 | $18.65 | $19.57 | -11.25% | 419,900 |
| Jul 2017 | $21.95 | $22.89 | $20.10 | $22.05 | +2.51% | 56,400 |
| Jun 2017 | $19.99 | $21.70 | $18.95 | $21.51 | +8.97% | 129,900 |
| May 2017 | $19.71 | $21.45 | $18.81 | $19.74 | -0.15% | 114,100 |
| Apr 2017 | $21.99 | $22.42 | $19.58 | $19.77 | -11.03% | 93,000 |
| Mar 2017 | $22.20 | $22.58 | $20.65 | $22.22 | +0.14% | 86,000 |
| Feb 2017 | $23.39 | $24.22 | $22.00 | $22.19 | -4.27% | 178,100 |
| Jan 2017 | $27.14 | $27.16 | $22.62 | $23.18 | -13.41% | 137,600 |
| Dec 2016 | $28.58 | $28.91 | $26.05 | $26.77 | -0.85% | 117,500 |
| Nov 2016 | $26.24 | $27.74 | $24.93 | $27.00 | +3.25% | 95,800 |
| Oct 2016 | $27.44 | $29.54 | $26.11 | $26.15 | -3.72% | 49,700 |
| Sep 2016 | $28.08 | $29.14 | $25.45 | $27.16 | -2.41% | 41,400 |
| Aug 2016 | $25.44 | $28.28 | $24.57 | $27.83 | +9.39% | 76,400 |
| Jul 2016 | $25.16 | $26.67 | $24.67 | $25.44 | +1.64% | 45,400 |
| Jun 2016 | $23.67 | $26.68 | $23.27 | $25.03 | +5.12% | 56,700 |
| May 2016 | $23.00 | $24.60 | $20.90 | $23.81 | +4.89% | 139,200 |
| Apr 2016 | $20.44 | $23.37 | $18.84 | $22.70 | +7.79% | 68,000 |
| Mar 2016 | $18.48 | $22.56 | $18.48 | $21.06 | +14.46% | 193,300 |
| Feb 2016 | $19.40 | $19.94 | $17.75 | $18.40 | -7.58% | 139,700 |
| Jan 2016 | $16.42 | $20.01 | $14.49 | $19.91 | +23.05% | 120,300 |
| Dec 2015 | $19.02 | $19.31 | $14.91 | $16.18 | -14.26% | 205,900 |
| Nov 2015 | $20.54 | $22.30 | $18.64 | $18.87 | -8.97% | 183,800 |
| Oct 2015 | $23.85 | $27.74 | $20.40 | $20.73 | -8.64% | 123,500 |
| Sep 2015 | $24.85 | $26.24 | $22.45 | $22.69 | -10.14% | 122,500 |
| Aug 2015 | $24.90 | $25.87 | $19.23 | $25.25 | +1.41% | 130,100 |
| Jul 2015 | $29.25 | $30.36 | $24.02 | $24.90 | -17.41% | 29,400 |
| Jun 2015 | $31.68 | $32.28 | $30.08 | $30.15 | -4.83% | 17,900 |
| May 2015 | $34.74 | $35.73 | $30.44 | $31.68 | -7.48% | 34,900 |
| Apr 2015 | $30.30 | $35.47 | $30.19 | $34.24 | +14.86% | 70,300 |
| Mar 2015 | $30.86 | $31.74 | $29.17 | $29.81 | -3.75% | 36,600 |
| Feb 2015 | $27.96 | $33.14 | $27.96 | $30.97 | +12.33% | 126,600 |
| Jan 2015 | $33.53 | $33.70 | $26.30 | $27.57 | -16.93% | 124,100 |
| Dec 2014 | $33.10 | $36.48 | $30.00 | $33.19 | -1.25% | 61,300 |
| Nov 2014 | $36.49 | $38.75 | $33.32 | $33.61 | -5.59% | 103,500 |
| Oct 2014 | $44.53 | $44.53 | $34.44 | $35.60 | -19.77% | 371,700 |
| Sep 2014 | $49.60 | $50.34 | $43.95 | $44.37 | -12.21% | 138,300 |
| Aug 2014 | $46.93 | $50.71 | $45.67 | $50.54 | +7.21% | 67,500 |
| Jul 2014 | $52.74 | $53.54 | $46.36 | $47.14 | -10.62% | 120,000 |
| Jun 2014 | $49.44 | $54.15 | $49.42 | $52.74 | +6.31% | 48,400 |
| May 2014 | $51.57 | $52.35 | $48.41 | $49.61 | -3.80% | 29,500 |
| Apr 2014 | $47.16 | $51.97 | $46.82 | $51.57 | +9.70% | 32,100 |
| Mar 2014 | $44.23 | $47.03 | $43.47 | $47.01 | +6.29% | 33,600 |
| Feb 2014 | $41.53 | $45.72 | $41.43 | $44.23 | +4.76% | 33,600 |
| Jan 2014 | $42.36 | $44.73 | $41.72 | $42.22 | -0.05% | 48,500 |
| Dec 2013 | $39.50 | $42.63 | $39.50 | $42.24 | +6.94% | 12,300 |
| Nov 2013 | $38.22 | $40.89 | $36.94 | $39.50 | +3.59% | 72,000 |
| Oct 2013 | $40.70 | $40.70 | $37.53 | $38.13 | -6.31% | 59,300 |
| Sep 2013 | $38.65 | $41.55 | $37.55 | $40.70 | +5.30% | 26,600 |
| Aug 2013 | $40.18 | $40.18 | $30.20 | $38.65 | -0.57% | 21,200 |
| Jul 2013 | $39.82 | $42.38 | $36.82 | $38.87 | -2.39% | 26,200 |
| Jun 2013 | $40.59 | $40.87 | $38.93 | $39.82 | -1.90% | 23,200 |
| May 2013 | $39.41 | $40.59 | $38.23 | $40.59 | +2.99% | 409,200 |
| Apr 2013 | $38.76 | $39.41 | $35.92 | $39.41 | +1.68% | 41,400 |
| Mar 2013 | $34.83 | $38.80 | $34.83 | $38.76 | +11.28% | 28,800 |
| Feb 2013 | $34.06 | $36.35 | $33.71 | $34.83 | +2.62% | 33,400 |
| Jan 2013 | $31.47 | $33.94 | $30.68 | $33.94 | +8.47% | 18,600 |
| Dec 2012 | $33.31 | $34.01 | $30.65 | $31.29 | -4.49% | 32,600 |
| Nov 2012 | $32.66 | $34.06 | $30.83 | $32.76 | -1.06% | 149,700 |
| Oct 2012 | $31.57 | $33.40 | $30.13 | $33.11 | +6.84% | 24,000 |
| Sep 2012 | $28.01 | $31.64 | $27.85 | $30.99 | +10.56% | 13,400 |
| Aug 2012 | $28.71 | $30.06 | $27.17 | $28.03 | -4.98% | 53,500 |
| Jul 2012 | $26.25 | $29.94 | $25.43 | $29.50 | +11.70% | 50,700 |
| Jun 2012 | $22.14 | $27.87 | $21.72 | $26.41 | +16.55% | 79,200 |
| May 2012 | $24.11 | $25.84 | $22.40 | $22.66 | -6.01% | 41,000 |
| Apr 2012 | $22.61 | $24.11 | $19.29 | $24.11 | +6.63% | 27,700 |
| Mar 2012 | $25.75 | $25.97 | $22.57 | $22.61 | -11.33% | 196,400 |
| Feb 2012 | $24.23 | $25.66 | $24.19 | $25.50 | +6.16% | 133,800 |
| Jan 2012 | $26.60 | $27.25 | $21.68 | $24.02 | -9.29% | 219,700 |
| Dec 2011 | $30.98 | $31.00 | $25.62 | $26.48 | -11.53% | 81,800 |
| Nov 2011 | $31.75 | $34.18 | $27.15 | $29.93 | -14.46% | 60,300 |
| Oct 2011 | $27.39 | $35.05 | $25.76 | $34.99 | +11.11% | 41,200 |
| Sep 2011 | $34.59 | $35.08 | $29.68 | $31.49 | -5.46% | 77,200 |
| Aug 2011 | $36.65 | $37.32 | $29.93 | $33.31 | -9.11% | 216,800 |
| Jul 2011 | $32.90 | $37.73 | $32.81 | $36.65 | +11.40% | 428,400 |
| Jun 2011 | $30.31 | $32.90 | $29.17 | $32.90 | +10.22% | 297,600 |
| May 2011 | $28.55 | $30.94 | $27.00 | $29.85 | +3.65% | 85,600 |
| Apr 2011 | $27.29 | $28.85 | $25.12 | $28.80 | – | 26,900 |
Seasonality
TRMLF return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average | -1.6% | 1.4% | 2.9% | 8.9% | 2.0% | -0.5% | 4.8% | -2.8% | 4.0% | -0.7% | 0.9% | -1.1% |
| Months up | 4 of 10 | 5 of 10 | 8 of 10 | 7 of 10 | 5 of 10 | 4 of 10 | 7 of 10 | 5 of 10 | 6 of 10 | 6 of 10 | 5 of 9 | 2 of 9 |
| 2026 | 5.3% | -0.9% | 2.6% | 1.3% | -5.7% | -7.7% | 5.6% | 3.2% | -5.4% | 9.6% | ||
| 2025 | -1.4% | 1.1% | 5.9% | -8.3% | 2.5% | 7.8% | -11.7% | 0.4% | 2.4% | 1.8% | 4.4% | -2.0% |
| 2024 | -3.7% | 4.2% | 4.9% | 5.8% | 0.6% | -7.8% | -3.0% | 4.2% | 2.9% | -0.8% | 2.9% | -1.3% |
| 2023 | -4.9% | -6.2% | -4.4% | 7.9% | -4.4% | 13.1% | 9.7% | 0.8% | -1.4% | 5.9% | -8.0% | -6.8% |
| 2022 | 13.5% | 10.2% | 18.1% | 10.8% | 23.2% | -15.6% | 20.5% | -3.3% | -11.8% | 9.1% | 10.2% | -16.5% |
| 2021 | 4.9% | 28.0% | 5.4% | 12.8% | 13.3% | 17.8% | -4.7% | -1.8% | 33.4% | 3.5% | -7.3% | -3.1% |
| 2020 | -13.7% | -19.6% | -22.6% | 59.5% | 0.0% | -10.6% | 15.9% | 24.3% | -2.3% | 5.4% | 8.4% | -2.4% |
| 2019 | 9.4% | 11.9% | 2.9% | -3.1% | -14.4% | -0.6% | 3.2% | -28.4% | 8.5% | -15.4% | 8.5% | 27.3% |
| 2018 | -11.4% | -10.0% | 15.7% | 13.4% | 4.8% | -10.5% | 9.4% | -16.1% | 7.1% | -14.1% | -9.2% | -8.3% |
| 2017 | -13.4% | -4.3% | 0.1% | -11.0% | -0.2% | 9.0% | 2.5% | -11.2% | 6.0% | -12.5% | -2.3% | 2.8% |