CLIR
ClearSign Combustion Corporation
NASDAQ: CLIR · INDUSTRIALS · POLLUTION & TREATMENT CONTROLS
$4.55
-7.94% today
Updated 2026-06-05
Market cap
$22.41M
P/E ratio
—
P/S ratio
4.46x
EPS (TTM)
$-0.11
Dividend yield
—
52W range
$3 – $11
Volume
0.0M
ClearSign Combustion Corporation (CLIR) Earnings
Quarterly earnings history, analyst estimates, and stock price reaction.
EPS beat streak
6 of 8
Last 8 quarters
Avg EPS surprise
—
Last 4 quarters
Revenue YoY growth
-89.7%
Most recent quarter
EPS YoY growth
-192.0%
Most recent quarter
When is the next earnings report?
Reporting date
December 31, 2025
Consensus EPS estimate
$-0.30
Fiscal period ending
2025-12-31
Quarterly EPS and revenue trend
Quarterly revenue EPS (diluted)
How the stock reacts to earnings
Avg 1-day reaction
-11.0%
Last 2 reports
Positive reaction rate
0%
0 of 2 quarters
Largest single-day move
-18.2%
2026-04-09
| Report date | EPS actual | Surprise | Close before | Close after | 1-day reaction |
|---|---|---|---|---|---|
| 2026-04-09 | $-0.06 | -94.7% | $6.47 | $5.29 | -18.2% |
| 2025-11-14 | $-0.03 | +25.0% | $0.87 | $0.83 | -3.7% |
Quarterly earnings history
| Fiscal quarter ending | EPS estimate | EPS actual | Surprise | Revenue | YoY revenue |
|---|---|---|---|---|---|
| 2026-03-31 | $-0.03 | $-0.06 | -94.7% | $191000.00 | -52.4% |
| 2025-12-31 | $-0.30 | — | — | $3.67M | — |
| 2025-09-30 | $-0.04 | $-0.03 | +25.0% | $1.03M | -44.6% |
| 2025-06-30 | $-0.04 | $-0.03 | +25.0% | $133000.00 | +195.6% |
| 2025-03-31 | $-0.03 | $-0.04 | -33.3% | $401000.00 | -63.6% |
| 2024-09-30 | $-0.03 | $-0.02 | +33.3% | $1.86M | +2087.1% |
| 2024-06-30 | $-0.04 | $-0.04 | +0.0% | $45000.00 | -70.0% |
| 2024-03-31 | $-0.04 | $-0.02 | +50.0% | $1.10M | — |
| 2023-12-31 | $-0.04 | $-0.02 | +38.3% | $1.27M | — |
| 2023-09-30 | $-0.04 | $-0.03 | +25.0% | $85000.00 | — |
| 2023-06-30 | $-0.04 | $-0.04 | +0.0% | $150000.00 | — |
| 2023-03-31 | $-0.04 | $-0.03 | +25.0% | — | — |
Frequently asked questions
When does ClearSign Combustion Corporation report next earnings?
ClearSign Combustion Corporation (CLIR) is scheduled to report earnings on December 31, 2025. The consensus EPS estimate is $-0.30.
Has ClearSign Combustion Corporation beaten earnings estimates?
ClearSign Combustion Corporation has beaten Wall Street EPS estimates in 6 of its last 8 quarterly reports. A consistent beat record suggests management guides conservatively and the business has predictable momentum, which tends to support the stock through earnings season.
How does CLIR stock react to earnings?
CLIR has moved an average of -11.0% the day after earnings over its last 2 reports, finishing higher after 0 of them. Next-day moves show how the market digests results in the short term, and repeated dips on strong reports usually mean expectations were already priced in.
What is ClearSign Combustion Corporation's revenue growth rate?
ClearSign Combustion Corporation reported year-over-year revenue growth of -89.7% in its most recent quarter, with EPS up -192.0%. Reading revenue growth alongside margins shows whether that growth is translating into profit.