Companies: 10,795·Total market cap: $144.5T
ClearSign Technologies Corporation

ClearSign Technologies Corporation

CLIRNASDAQIndustrials● Active
$4.23
+$0.29(+7.36%)
Market Cap$26185434
P/E Ratio
52W High$11.2
52W Low$3.24

ClearSign Technologies Corporation (CLIR) PE Ratio — Current & Historical Data

Trailing twelve months (TTM) P/E, forward P/E, PEG, and annual PE history — from market prices and filings.

clir · pe ratio · data through Dec 31, 2025

Core PE Ratio Metrics

Trailing 12 months · TTM

The price-to-earnings (P/E) ratio for ClearSign Technologies Corporation (CLIR) measures how much investors pay for each dollar of the company's trailing earnings. CLIR's current PE ratio of N/A is calculated by dividing its stock price of $4.23 by its TTM earnings per share of -$1.00.

N/A
P/E Ratio (TTM)N/A — Company is not profitable (TTM)

Source: FMP · /ratios-ttm · /analyst-estimates · 2025-12-31

Forward P/E
N/A
FY2027 est. EPS $-0.74
Based on 1 analyst
EPS (TTM)
-$1.00
TTM · diluted EPS
PEG Ratio
-0.24
Source: FMP · /ratios-ttm · /ratios annual · /analyst-estimates · /stock-peers · ClearSign Technologies Corporation SEC 10-K & 10-Q filings · US GAAPUpdated: 2026-06-08

PE Ratio History

2009 – 2025 · Annual
PE Ratio (TTM)
EPS (Annual)

▸ FMP /ratios?period=annual&limit=20 · priceToEarningsRatio + netIncomePerShare (Annual)

PE Ratio vs Peers

Industrial - Pollution & Treatment Controls · 6 peers · Annual PE
CompanyMarket CapPE (Annual)vs AvgEPS (TTM)
ClearSign Technologies Corporation
ClearSign Technologies CorporationYou
CLIR
$26MN/A-$1.00
Ampco-Pittsburgh Corporation
Ampco-Pittsburgh Corporation
AP
$209MN/A-$3.28
Brillia Inc
Brillia Inc
BRIA
$37MN/A$0.00
Flux Power Holdings, Inc.
Flux Power Holdings, Inc.
FLUX
$18MN/A-$0.40
Hyperscale Data, Inc.
Hyperscale Data, Inc.
GPUS
$81MN/A-$0.73
HomesToLife Ltd
HomesToLife Ltd
HTLM
$28M13.11x$0.18
Ideal Power Inc.
Ideal Power Inc.
IPWR
$54MN/A-$1.16

* N/A — Company is not profitable (TTM) · excluded from industry average · ▸ FMP /stock-peers + /ratios?limit=1 · priceToEarningsRatio

Annual PE Ratio History

Showing 10 of 17 years
Fiscal Year EndPE RatioEPS (TTM)YoY ChangePE vs Max
2025-12-31Latest
FY2025
$-0.99
2024-12-31
FY2024
$-1.08
2023-12-31
FY2023
$-1.35
2022-12-31
FY2022
$-1.63
2021-12-31
FY2021
$-2.53
2020-12-31
FY2020
$-2.46
2019-12-31
FY2019
$-3.14
2018-12-31
FY2018
$-4.17
2017-12-31
FY2017
$-6.30
2016-12-31
FY2016
$-8.64

▸ FMP /ratios?period=annual&limit=20 · priceToEarningsRatio + netIncomePerShare · Zero extra API

About PE Ratio & Methodology

The price-to-earnings (P/E) ratio for ClearSign Technologies Corporation (CLIR) measures how much investors pay for each dollar of the company's trailing earnings. CLIR's current PE ratio of N/A is calculated by dividing its stock price of $4.23 by its TTM earnings per share of -$1.00.

PE Ratio = Stock Price ÷ EPS (TTM)
= $4.23 ÷ -$1.00 = N/A
TTMTrailing Twelve Months — sum of the most recent 4 quarterly EPS figures
Forward PEStock price ÷ analyst consensus EPS estimate for the next fiscal year
PEGPE ÷ earnings growth rate — values below 1.0 suggest growth may justify the premium
Figures tie to SEC 10-K/10-Q and FMP ratio endpoints where noted.

Frequently asked questions

CLIR pe ratio · 6 questions

CLIR's current PE ratio is N/A as of 2026-06-08, based on a stock price of $4.23 and TTM EPS of -$1.00. Data sourced from Financial Modeling Prep via CLIR's SEC 10-K and 10-Q filings.

CLIR PE ratioWhat is CLIR PE ratioCurrent PE ratio of CLIRCLIR PE ratio today

Source: FMP · /ratios-ttm · /ratios annual · /analyst-estimates · /stock-peers · ClearSign Technologies Corporation SEC 10-K & 10-Q filings · US GAAP · Updated: 2026-06-08