ClearSign Technologies Corporation (CLIR) Stock Price History
Historical prices from 2012 to 2026
- 1M
- -28.5%
- 3M
- -38.5%
- YTD
- -58.6%
- 1Y
- -73.7%
- 3Y
- -36.2%
- 5Y
- -31.8%
Loading 10-year price history...
CLIR Historical Performance
CLIR Annual Returns
Year-by-year price performance · 2012–2026
- 2012 annual price return
- +15.2%
- 2013 annual price return
- +129.0%
- 2014 annual price return
- -30.7%
- 2015 annual price return
- -33.0%
- 2016 annual price return
- -30.6%
- 2017 annual price return
- +5.9%
- 2018 annual price return
- -70.9%
- 2019 annual price return
- -24.0%
- 2020 annual price return
- +253.0%
- 2021 annual price return
- -52.1%
- 2022 annual price return
- -62.5%
- 2023 annual price return
- +109.4%
- 2024 annual price return
- +34.6%
- 2025 annual price return
- -60.0%
- 2026 annual price return
- -43.7%
CLIR Stock Price Trajectory (2012–2026)
As of November 8, 2026, ClearSign Technologies Corporation (CLIR) trades at $2.36, representing a -73.7% return over the past year. The stock has delivered a -85.3% total return over five years (-31.8% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $138.70 on January 16, 2014. From this peak, CLIR has corrected -98.3%, currently trading 46% below its 200-day moving average, suggesting potential weakness.
When compared to Industrials sector peers FTEK (-36.3% 1Y), PESI (+10.5% 1Y), and CECO (-9.4% 1Y), CLIR has underperformed the peer group average. Compare CLIR vs FTEK →
CLIR Historical Price Data · from 2012
Rows 1–50 of 3,656| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-11-06 | 2.41 | 2.43 | 2.31 | 2.36 | 12K | +2.16% |
| 2026-11-05 | 2.34 | 2.37 | 2.25 | 2.31 | 18K | -4.55% |
| 2026-11-04 | 2.45 | 2.82 | 2.40 | 2.42 | 27K | -0.41% |
| 2026-11-03 | 2.33 | 2.46 | 2.33 | 2.43 | 15K | +4.74% |
| 2026-11-02 | 2.31 | 2.43 | 2.31 | 2.32 | 10K | +0.43% |
| 2026-10-30 | 2.40 | 2.43 | 2.20 | 2.31 | 25K | -6.10% |
| 2026-10-29 | 2.48 | 2.52 | 2.38 | 2.46 | 9K | -0.81% |
| 2026-10-28 | 2.40 | 2.73 | 2.29 | 2.48 | 11K | -0.40% |
| 2026-10-27 | 2.35 | 2.60 | 2.35 | 2.49 | 7K | +8.26% |
| 2026-10-26 | 2.35 | 2.39 | 2.20 | 2.30 | 23K | -0.43% |
| 2026-10-23 | 2.40 | 2.53 | 2.17 | 2.31 | 16K | -5.71% |
| 2026-10-22 | 2.51 | 2.51 | 2.22 | 2.45 | 3K | +0.41% |
| 2026-10-21 | 2.50 | 2.54 | 2.32 | 2.44 | 10K | -2.01% |
| 2026-10-20 | 2.43 | 2.52 | 2.43 | 2.49 | 12K | +6.41% |
| 2026-10-19 | 2.50 | 2.56 | 2.12 | 2.34 | 48K | -2.50% |
| 2026-10-16 | 2.54 | 2.69 | 2.36 | 2.40 | 28K | -2.04% |
| 2026-10-15 | 2.77 | 2.78 | 2.35 | 2.45 | 25K | -7.20% |
| 2026-10-14 | 2.83 | 2.85 | 2.62 | 2.64 | 19K | -8.33% |
| 2026-10-13 | 3.01 | 3.13 | 2.86 | 2.88 | 33K | -2.70% |
| 2026-10-12 | 3.20 | 3.23 | 2.92 | 2.96 | 23K | -7.79% |
| 2026-10-09 | 3.12 | 3.32 | 3.12 | 3.21 | 26K | +3.22% |
| 2026-10-08 | 3.27 | 3.43 | 3.11 | 3.11 | 14K | -5.76% |
| 2026-10-07 | 3.24 | 3.39 | 3.24 | 3.30 | 10K | 0.00% |
| 2026-10-06 | 3.30 | 3.77 | 3.29 | 3.30 | 9K | 0.00% |
| 2026-10-05 | 3.53 | 3.74 | 3.30 | 3.30 | 42K | -5.98% |
| 2026-10-02 | 3.57 | 3.64 | 3.41 | 3.51 | 28K | -1.13% |
| 2026-10-01 | 3.33 | 3.76 | 3.26 | 3.55 | 14K | 0.00% |
| 2026-09-30 | 3.76 | 3.86 | 3.55 | 3.55 | 8K | -4.83% |
| 2026-09-29 | 3.65 | 3.90 | 3.65 | 3.73 | 7K | +2.19% |
| 2026-09-28 | 3.50 | 3.71 | 3.29 | 3.65 | 32K | +5.80% |
| 2026-09-25 | 3.59 | 3.60 | 3.38 | 3.45 | 12K | -0.29% |
| 2026-09-24 | 3.52 | 3.73 | 3.41 | 3.46 | 17K | -2.26% |
| 2026-09-23 | 3.76 | 4.01 | 3.47 | 3.54 | 37K | -5.60% |
| 2026-09-22 | 3.77 | 3.96 | 3.75 | 3.75 | 6K | -1.06% |
| 2026-09-21 | 3.85 | 4.05 | 3.79 | 3.79 | 11K | -1.56% |
| 2026-09-18 | 3.71 | 3.90 | 3.71 | 3.85 | 19K | +6.65% |
| 2026-09-17 | 3.60 | 3.75 | 3.60 | 3.61 | 9K | +2.56% |
| 2026-09-16 | 3.88 | 3.98 | 3.50 | 3.52 | 72K | -12.87% |
| 2026-09-15 | 3.80 | 4.18 | 3.79 | 4.04 | 6K | +4.94% |
| 2026-09-14 | 3.97 | 4.26 | 3.80 | 3.85 | 24K | -4.47% |
| 2026-09-11 | 4.09 | 4.18 | 3.74 | 4.03 | 69K | -0.25% |
| 2026-09-10 | 4.15 | 4.28 | 3.90 | 4.04 | 50K | -4.27% |
| 2026-09-09 | 4.41 | 4.41 | 4.22 | 4.22 | 3K | -2.09% |
| 2026-09-08 | 4.00 | 4.72 | 4.00 | 4.31 | 20K | +10.23% |
| 2026-09-04 | 3.98 | 4.14 | 3.90 | 3.91 | 9K | -4.63% |
| 2026-09-03 | 4.27 | 4.32 | 3.95 | 4.10 | 42K | -3.53% |
| 2026-09-02 | 4.22 | 4.45 | 4.10 | 4.25 | 11K | +2.41% |
| 2026-09-01 | 4.20 | 4.20 | 4.15 | 4.15 | 2K | -2.58% |
| 2026-08-31 | 4.35 | 4.36 | 4.22 | 4.26 | 5K | -4.70% |
| 2026-08-28 | 4.58 | 4.75 | 4.47 | 4.47 | 5K | -1.32% |
CLIR Chart Terminal
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
Live Breakouts Feed
High-probability breakout stocks crossing their pivot across 5 pattern engines.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
Peer Comparison
Compare growth, multiples, and margins vs sector.
CLIR — Frequently Asked Questions
Quick answers to the most common questions about buying CLIR stock.
How has CLIR stock performed recently?
CLIR declined -73.7% over the past year, below its 5-year annualized CAGR of -31.8%. The stock trades below its 200-day moving average, reflecting the downtrend.
What is CLIR's all-time high price?
ClearSign Technologies Corporation reached $138.70 on 2014-01-16. The 52-week high is $9.80. Current 1-year return of -73.7% places the stock further from historical peaks.
Where can I download CLIR historical price data?
This page provides CLIR daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2012-2026, downloadable in CSV format.