BIRCHTECH CORP (BCHT:TSX) closed at $1.59 on October 23, 2026, unchanged on the day. The stock trades 74.4% below its 52-week high of $6.20 and 71.0% above its 52-week low of $0.930. Over the past year, it lost 66.9%. BIRCHTECH CORP is part of the Basic Industries sector.
In 252 trading sessions since October 23, 2025, BCHT closed higher on 108 days (43%). Its best day was December 31, 2025 (+435.48%) and its worst was December 23, 2025 (-83.09%). The stock moved 10% or more in a single session 23 times. It opened at least 5% above the previous day's high 8 times.
Birchtech Corp. (TSXV: BCHT) (OTCQB: BCHT), formerly Midwest Energy Emissions Corp. (TSXV: MEEC) (OTCQB: MEEC), is an environmental technology firm that promotes cleaner water and air with highly effective, affordable, and sustainable business solutions. Birchtech's separate operating divisions each offer innovative, efficient technologies addressing critical industry concerns. With over 40 patents, the Company's ME2C Environmental division has provided patented SEA® sorbent technologies for mercury emissions capture to the coal-fired utility sector since 2008. WE2C Environmental is focused on developing new, disruptive technologies for PFAS/PFOS removal from potable (drinking) water. New and innovative water purification technologies are under development and expected to meet the growing demand for sustainable water solutions worldwide.
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