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ClearSign Technologies Corp (CLIR) stock

CLIRNasdaqIndustrial Instruments For Measurement, Display, and ControlFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 14, 2026Score 9/30
$2.30+0.04 (+1.77%)

Close on Nov 13, 2026Market cap $15.66MP/E –Yield –

ClearSign Technologies operating margin

Operating margin is operating income as a percentage of revenue.

ClearSign Technologies's operating margin for the twelve months ending Jun 30, 2026 was -116.5%. For fiscal 2025 it was -127.5%, against -180.4% the year before. The highest annual figure on record is -127.5% in fiscal 2025.

Annual operating margin

PeriodPeriod endValueChange (pts)
FY2025Dec 31, 2025-127.5%+53.0
FY2024Dec 31, 2024-180.4%+68.5
FY2023Dec 31, 2023-248.9%+1386.7
FY2022Dec 31, 2022-1635.6%−293.7
FY2021Dec 31, 2021-1341.8%+464.0
FY2018Dec 31, 2018-1805.8%−7.3
FY2017Dec 31, 2017-1798.5%+5.8
FY2016Dec 31, 2016-1804.3%+11215.3
FY2015Dec 31, 2015-13019.7%–

Quarterly operating margin

Change is against the same quarter a year earlier.

PeriodPeriod endValueChange (pts)
Q2 FY2026Jun 30, 2026-267.5%+1114.5
Q1 FY2026Mar 31, 2026-1193.2%−630.4
Q4 FY2025Dec 31, 2025-22.5%+259.9
Q3 FY2025Sep 30, 2025-170.1%−93.0
Q2 FY2025Jun 30, 2025-1382.0%+3366.9
Q1 FY2025Mar 31, 2025-562.8%−449.2
Q4 FY2024Dec 31, 2024-282.4%−192.0
Q3 FY2024Sep 30, 2024-77.1%+1684.1
Q2 FY2024Jun 30, 2024-4748.9%−3662.9
Q1 FY2024Mar 31, 2024-113.6%+77.0
Q4 FY2023Dec 31, 2023-90.3%+2919.7
Q3 FY2023Sep 30, 2023-1761.2%+507.3
Q2 FY2023Jun 30, 2023-1086.0%+154.5
Q1 FY2023Mar 31, 2023-190.6%+366.1
Q4 FY2022Dec 31, 2022-3010.0%−2580.2
Q4 FY2021Dec 31, 2021-2268.5%−828.0
Q3 FY2021Sep 30, 2021-1240.5%−575.8
Q1 FY2021Mar 31, 2021-556.7%+82.9
Q1 FY2018Mar 31, 2018-429.8%+1052.1
Q4 FY2017Dec 31, 2017-1440.6%–
Q1 FY2017Mar 31, 2017-664.7%–
Q4 FY2016Dec 31, 2016-639.6%–
Q3 FY2016Sep 30, 2016-1481.9%–

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