Perma-Pipe International rose 27.4% in a year. Ceco Environmental rose 50.5%.

Same industry

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

PPIH is up 27.4% in a year. Ceco Environmental is up 50.5%. Of these three, DONALDSON (+11.7%) and Fuel Tech (−41.3%) did less. Weekly closes, Oct 10, 2025 = 100, on a log scale, so the same percentage move is the same height on every line.

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PPIH +27.4%. Ceco Environmental +50.5%, DONALDSON +11.7%, Fuel Tech −41.3%. Weekly closes, Oct 10, 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 PPIH’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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