CLIR (ClearSign Technologies Corporation) historical data

STOCKListed1-minute bars

SymbolCLIR
NameClearSign Technologies Corporation
ExchangeNASDAQ
SectorIndustrials
IndustryIndustrial - Pollution & Treatment Controls
IPO date2012-04-25
History2012-04-26 to 2026-10-09 (about 14 years)
Bar sizesDaily, hourly, 5-minute and 1-minute
AdjustmentsUnadjusted, split-adjusted or split-and-dividend-adjusted, chosen on read
SurvivorshipIncluded in the survivorship-free universe
Free tierLast 12 months of daily bars

Price history at a glance

CLIR last closed at $3.21 on 2026-10-09, -65.1% over the past year and -82.3% over five years. Its deepest fall from a prior high in this history was -97.3%, reached on 2026-10-09.

Last close$3.21 (2026-10-09)
1-year change-65.1%
5-year change-82.3%
Annualized since 2012-04-26-16.3%
52-week range$3.21 – $10.05
Deepest drawdown-97.3% (2026-10-09)
Avg. daily dollar volume (3 months)$67,702
Daily bars in history3,633

Split- and dividend-adjusted closes. Computed by FinzData from its own daily bars.

Short interest (2026-09-30)

Shares short13,272 (-20.9% vs prior report)
Days to cover1.00

CLIR short interest history · Industrials sector

Get it in Python

import finzdata as yf
df = yf.Ticker("CLIR").history(start="2012-04-26", interval="1d")
df.tail()

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