Price Move History
- Daily moves over 5%
- 30 234 sessions, October 3, 2025 to October 5, 2026
- Largest daily move
- +30.4% close of October 6, 2025
- 1-year change
- +212.3% closing prices, October 3, 2025 to October 5, 2026
- 1-month change
- -3.6% closing prices, September 4, 2026 to October 5, 2026
Company Description
Tenaz Energy Corp (OTC: ATUUF), trading on the Toronto Stock Exchange under the symbol TNZ, is an energy company focused on the acquisition and sustainable development of international oil and gas assets. According to company disclosures, Tenaz has domestic operations in Canada and offshore natural gas and midstream assets in the Netherlands, with activity in both crude oil and natural gas production.
Tenaz states that it produces crude oil and natural gas from formations within the Mannville Group at Leduc-Woodbend in central Alberta. In Canada, the company has discussed drilling programs targeting formations such as the Glauconite and Ellerslie at Leduc-Woodbend, using unstimulated horizontal wells. These Canadian operations contribute heavy crude oil, natural gas liquids and natural gas volumes.
Outside Canada, Tenaz has built a business in the Dutch sector of the North Sea. The company describes itself as the largest gas producer in the Netherlands and the largest gas producer in the Dutch sector of the North Sea. Its Netherlands natural gas assets are located offshore and include operated and non-operated interests. Tenaz has referred to Tenaz Energy Netherlands B.V. (TEN) as the entity that executes its corporate vision in the Dutch North Sea, following the acquisition and renaming of NAM Offshore B.V.
Tenaz emphasizes a business model centered on acquiring and developing international oil and gas assets. In public communications, the company highlights a focus on strategic acquisitions, free cash flow generation, and development of existing assets. It has reported that its asset base and infrastructure in the Dutch North Sea provide opportunities to increase natural gas production and to enhance production from existing wells through workovers, maintenance programs and drilling campaigns.
The company has also discussed normal course issuer bid (NCIB) programs approved by the Toronto Stock Exchange, under which it may repurchase a portion of its common shares in the open market. Tenaz has indicated that these repurchases are funded from cash on hand and free cash flow, and that shares purchased under the NCIB are cancelled.
Tenaz’s disclosures describe offshore natural gas and midstream assets in the Netherlands, including offshore platforms and onshore processing infrastructure that the company characterizes as generally underutilized. The company has also referenced midstream income in its operating metrics and has noted that its Netherlands assets are tied to the TTF natural gas price index.
In addition to its producing operations, Tenaz has reported work on resource evaluations and reserve and resource reports for its Dutch North Sea assets. The company has cited independent evaluations prepared in accordance with Canadian standards for oil and gas activities, including contingent and prospective resource estimates for its Netherlands offshore assets.
Tenaz has also mentioned activities related to potential Carbon Capture and Storage (CCS) evaluation in the Netherlands, describing capital expenditures for CCS evaluation and Front End Engineering Design (FEED) activities for a potential L10 CCS project. These references indicate that, alongside conventional oil and gas development, the company is assessing opportunities related to CCS in its Netherlands portfolio.
According to its public statements, Tenaz’s common shares are listed for trading on the Toronto Stock Exchange under the symbol TNZ, and additional information is available on SEDAR+. The company characterizes itself as an energy company with an international focus, combining Canadian crude oil and natural gas production with offshore natural gas and midstream operations in the Dutch sector of the North Sea.
Stock Performance
TENAZ ENERGY (ATUUF) closed at $45.50 on October 5, 2026. Over the past 12 months, the price has gained 212.3%.
ATUUF Metrics & Rankings
Price returns through October 5, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
TENAZ ENERGY has 7 recent news articles. Of the recent coverage, 3 articles coincided with positive price movement and 4 with negative movement. Key topics include earnings, offering. View all ATUUF news →
SEC Filings
Short Interest History
Short interest in TENAZ ENERGY (ATUUF) currently stands at 299.8 thousand shares, up 2.6% from the previous reporting period, representing 1.1% of the float. Since October 2025, short interest has increased by 2314.3%.
Days to Cover History
Days to cover for TENAZ ENERGY (ATUUF) currently stands at 15.7 days, down 37.2% from the previous period. The ratio is the reported short interest divided by the average daily trading volume. Since October 2025, the figure has increased by 961.5%. Across the settlements charted above, it has ranged from 1.0 to 63.4 days.
ATUUF Company Profile & Sector Positioning
TENAZ ENERGY (ATUUF) operates in the Oil & Gas E&P industry within the broader Energy sector and is listed on the OTC.
Investors comparing ATUUF often look at related companies in the same sector, including PANTHEON RES PLC (PTHRF), BW ENERGY (BWERY), VALEURA ENERGY INC (VLERF), PETROTAL CORP (PTALF), and SATURN OIL & GAS INC (OILSF). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate ATUUF's relative position within its industry.