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ClearSign Technologies Corporation

NASDAQ

ClearSign Technologies arrived at this week with a rare piece of genuine commercial traction — then gave most of it back in a single session. On May 14, the company announced a purchase order for the next phase of a 32-burner project at a California refinery. That news delivered a clear signal: after years of pilot-stage activity, the technology is moving deeper into deployment at…

$2.40-2.04% 1d-25.23% 1w-40.52% 1mClose: 16 Oct 2026
Short interest % of float
Low and dropping
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Cost to borrow
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Availability
High and rising
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Put / call ratio
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Next earnings
19 Nov 2026
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Snapshot as of 19 Oct 2026

Articles

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Trader NoteCLIR

CLIR earnings miss hits after refinery order lift

ClearSign Technologies arrived at this week with a rare piece of genuine commercial traction — then gave most of it back in a single session. On May 14, the company announced a purchase order for the next phase of a…

1 min read

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