Key Highlights

  • Eco Atlantic Oil and Gas (TSXV:EOG) traded at CAD 0.75 in midday trading on October 13, 2026, up 20.97% on 112.52 thousand shares, 2.04 times average volume, with a published market value of CAD 216.82 million.
  • Tenaz Energy (TSX:TNZ) traded at CAD 72.61 in midday trading on October 13, 2026, up 6.34% on 72.43 thousand shares, 0.70 times average volume, with a published market value of CAD 2.2 billion.
  • Tidewater Midstream (TSX:TWM) traded at CAD 26.39 in midday trading on October 13, 2026, up 6.33% on 89.76 thousand shares, 1.47 times average volume, with a published market value of CAD 544.45 million.
  • Tidewater Renewables (TSX:LCFS) traded at CAD 24.89 in midday trading on October 13, 2026, up 6.82% on 2.22 thousand shares, 0.12 times average volume, with a published market value of CAD 851.29 million.

Eco Atlantic Oil and Gas (TSXV:EOG): Up 20.97% on Thin Trading

The implied prior close of CAD 0.62 and a price of CAD 0.75 mean a move of about 13 cents. On 112.52 thousand shares, or 2.04 times average, that is a small amount of capital for a quote in the Toronto Venture market, where a single order can shift the price. The first session after the Thanksgiving closure may also have drawn catch-up buying after oil moved in other markets. No company announcement dated October 13, 2026 was found, so the catalyst is not identified and the rise stays unexplained. All figures are from published market data for the midday of October 13, 2026 and may differ from the official close. Eco Atlantic (TSXV:EOG) rose 20.97% to CAD 0.75 on 2.04 times average volume with no catalyst found, against a background of the bp Namibia farm-down and a pending Guyana licence. In April 2026 Eco Atlantic Oil and Gas (TSXV:EOG) agreed to farm down a 60% participating interest in Namibian licences PEL 97, PEL 99 and PEL 100 to bp Namibia Energy, keeping a 25% working interest while bp funds the company's share of the current exploration phase, including at least 3,000 square kilometres of 3D seismic. It is also transferring a 37.5% interest and operatorship of Block 1 CBK in South Africa to Navitas Petroleum, subject to approvals, and awaits environmental approvals for a Block 3B/4B well.

Tenaz Energy (TSX:TNZ): Up 6.34% on Dutch Gas Growth

Tenaz moved from an implied CAD 68.28 to CAD 72.61 on 72.43 thousand shares, 0.70 times average, so participation was below normal. No company release, filing or analyst note dated October 13, 2026 was found. European gas prices matter for the stock because most of its volume is sold there, but no gas price move for the session was verified here. The first session after the Thanksgiving closure may also have added catch-up buying. Session figures here come from published market data taken at midday on October 13, 2026, and the closing print can differ by a small margin. Price, volume and market value are taken from published market data at midday on October 13, 2026, and should be checked against an official exchange quote. Tenaz Energy (TSX:TNZ) rose 6.34% to CAD 72.61 on below-average volume with no catalyst found, after a second quarter in which production more than doubled year on year. Tenaz Energy (TSX:TNZ) reported second quarter 2026 funds flow from operations of CAD 74.2 million, or CAD 2.26 per basic share, and net income of CAD 89.0 million. Production averaged 17,125 barrels of oil equivalent a day, with 14,552 in the Netherlands, where the company calls itself the largest natural gas producer, and 2,573 in Canada.

Tidewater Midstream (TSX:TWM): Up 6.33% With Its Sister Stock

Tidewater Midstream moved from an implied CAD 24.82 to CAD 26.39 on 89.76 thousand shares, 1.47 times average, so activity was above normal without being extreme. No company release, filing or analyst note dated October 13, 2026 was found. Its renewable fuels subsidiary, Tidewater Renewables, rose 6.82% in the same session, and the two often trade together. The first session after the Thanksgiving closure may have added catch-up buying. Published market data show a trailing loss of CAD 3.71 per share. Price, volume and market value are taken from published market data at midday on October 13, 2026, and should be checked against an official exchange quote. All figures are from published market data for the midday of October 13, 2026 and may differ from the official close. Tidewater Midstream (TSX:TWM) rose 6.33% to CAD 26.39 on 1.47 times average volume with no catalyst found, while its EBITDA guidance and debt plan frame the outlook. Tidewater Midstream (TSX:TWM) processes gas, runs the Prince George refinery and controls Tidewater Renewables.

Tidewater Renewables (TSX:LCFS): Up 6.82% on Few Shares

The shares moved from an implied CAD 23.30 to CAD 24.89 on only 2.22 thousand shares, 0.12 times average, so the quote may reflect a few small trades. No company release, filing or analyst note dated October 13, 2026 was found. Tidewater Renewables is controlled by Tidewater Midstream, which also rose 6.33% in the session, and the two stocks can move together. The first session after the Thanksgiving closure may have added catch-up buying. Session figures here come from published market data taken at midday on October 13, 2026, and the closing print can differ by a small margin. Price, volume and market value are taken from published market data at midday on October 13, 2026, and should be checked against an official exchange quote. Tidewater Renewables (TSX:LCFS) rose 6.82% to CAD 24.89 on only 2.22 thousand shares with no catalyst found, against a 2026 EBITDA guidance of CAD 80 million to 90 million. Tidewater Renewables (TSX:LCFS) runs a hydrogenation-derived renewable diesel complex, known as HDRD, and a refinery at Prince George, British Columbia, and earns credits under the British Columbia low carbon fuel standard.

Where Things Stand

The answer is that none of the four had a same-day company announcement. Eco Atlantic Oil and Gas (TSXV:EOG) rose 20.97% on thin trading. Tenaz Energy (TSX:TNZ) gained 6.34% on below-average volume after a second quarter of doubled production. Tidewater Midstream (TSX:TWM) rose 6.33%. Tidewater Renewables (TSX:LCFS) rose 6.82%, so the two Tidewater companies moved together, with Tidewater Renewables on only 2.22 thousand shares. No oil or gas price move for the session was verified, so sector sentiment remains a possibility.