Ceco Environmental rose 46.5% in a year. None of its three same-industry peers did more.

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CECO against three same-industry peers, a year at 100

CECO is up 46.5% in a year. All three did less: Perma-Pipe International (+42.0%), DONALDSON (+7.3%) and Fuel Tech (−44.3%). Weekly closes, Oct 3, 2025 = 100, on a log scale, so the same percentage move is the same height on every line.

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CECO +46.5%. Perma-Pipe International +42.0%, DONALDSON +7.3%, Fuel Tech −44.3%. Weekly closes, Oct 3, 2025 = 100, log scale.

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End-of-day closes (Databento EOD), the last close of each week. The three peers are the largest US-listed companies by market value in CECO’s SEC industry (Industrial & Commercial Fans & Blowers & Air Purifing Equip) with a year of closes. It shows what the closes did; a move here is not a cause, a forecast or a call.

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