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ClearSign Combustion Corporation Stock Price (Quote) NASDAQ:CLIR
$1.87 ( 0.54% ) Friday, 15th Oct 2021
| Range | Low Price | High Price | Comment |
|---|---|---|---|
| 30 days | $1.70 | $2.50 | Friday, 15th Oct 2021 CLIR stock ended at $1.87. This is 0.54% more than the trading day before Thursday, 14th Oct 2021. During the day the stock fluctuated 3.67% from a day low at $1.82 to a day high of $1.89. |
| 90 days | $1.70 | $4.50 | |
| 52 weeks | $1.70 | $6.00 |
Historical ClearSign Combustion Corporation prices
| Date | Open | High | Low | Close | Volume |
| 2021-10-15 | $1.86 | $1.89 | $1.82 | $1.87 | 63 525 |
| 2021-10-14 | $2.05 | $2.05 | $1.80 | $1.86 | 211 808 |
| 2021-10-13 | $2.03 | $2.06 | $1.95 | $1.99 | 75 430 |
| 2021-10-12 | $1.76 | $2.06 | $1.72 | $2.02 | 243 204 |
| 2021-10-11 | $1.80 | $1.86 | $1.70 | $1.73 | 86 528 |
| 2021-10-08 | $1.81 | $1.83 | $1.75 | $1.81 | 127 155 |
| 2021-10-07 | $1.83 | $1.85 | $1.75 | $1.77 | 214 356 |
| 2021-10-06 | $1.90 | $1.95 | $1.72 | $1.76 | 212 310 |
| 2021-10-05 | $1.99 | $2.06 | $1.86 | $1.95 | 184 376 |
| 2021-10-04 | $2.04 | $2.07 | $1.98 | $1.98 | 57 669 |
| 2021-10-01 | $2.00 | $2.10 | $1.93 | $2.04 | 86 493 |
| 2021-09-30 | $2.07 | $2.13 | $1.93 | $2.00 | 245 344 |
| 2021-09-29 | $2.20 | $2.20 | $2.01 | $2.09 | 160 736 |
| 2021-09-28 | $2.26 | $2.29 | $2.15 | $2.21 | 83 577 |
| 2021-09-27 | $2.34 | $2.34 | $2.20 | $2.29 | 110 299 |
| 2021-09-24 | $2.33 | $2.37 | $2.25 | $2.30 | 78 683 |
| 2021-09-23 | $2.33 | $2.38 | $2.25 | $2.37 | 46 698 |
| 2021-09-22 | $2.28 | $2.38 | $2.18 | $2.28 | 128 873 |
| 2021-09-21 | $2.26 | $2.26 | $2.15 | $2.24 | 67 105 |
| 2021-09-20 | $2.33 | $2.33 | $2.11 | $2.26 | 78 693 |
| 2021-09-17 | $2.19 | $2.50 | $2.03 | $2.40 | 256 111 |
| 2021-09-16 | $2.21 | $2.28 | $2.15 | $2.19 | 73 390 |
| 2021-09-15 | $2.16 | $2.26 | $2.15 | $2.23 | 97 425 |
| 2021-09-14 | $2.24 | $2.33 | $2.14 | $2.18 | 124 484 |
| 2021-09-13 | $2.30 | $2.35 | $2.26 | $2.31 | 112 923 |
| 2021-09-10 | $2.27 | $2.32 | $2.25 | $2.26 | 84 478 |
| 2021-09-09 | $2.25 | $2.40 | $2.25 | $2.31 | 173 690 |
| 2021-09-08 | $2.46 | $2.48 | $2.24 | $2.25 | 210 877 |
| 2021-09-07 | $2.25 | $2.59 | $2.20 | $2.49 | 1 119 027 |
| 2021-09-03 | $2.52 | $2.68 | $2.16 | $2.20 | 1 124 471 |
| 2021-09-02 | $3.02 | $3.07 | $2.96 | $3.01 | 39 573 |
| 2021-09-01 | $3.13 | $3.18 | $2.99 | $3.04 | 80 345 |
| 2021-08-31 | $3.08 | $3.25 | $3.02 | $3.14 | 35 033 |
| 2021-08-30 | $2.97 | $3.19 | $2.96 | $3.09 | 21 707 |
| 2021-08-27 | $3.02 | $3.05 | $2.93 | $2.96 | 72 241 |
| 2021-08-26 | $3.00 | $3.06 | $2.95 | $3.03 | 32 792 |
| 2021-08-25 | $2.79 | $3.07 | $2.71 | $3.02 | 148 809 |
| 2021-08-24 | $3.53 | $3.53 | $2.88 | $2.90 | 82 335 |
| 2021-08-23 | $2.98 | $3.10 | $2.96 | $3.06 | 107 427 |
| 2021-08-20 | $3.15 | $3.15 | $2.89 | $3.01 | 207 229 |
| 2021-08-19 | $3.25 | $3.30 | $3.11 | $3.22 | 70 393 |
| 2021-08-18 | $3.45 | $3.47 | $3.27 | $3.32 | 30 383 |
| 2021-08-17 | $3.29 | $3.70 | $3.29 | $3.44 | 93 220 |
| 2021-08-16 | $3.63 | $3.71 | $3.15 | $3.38 | 155 312 |
| 2021-08-13 | $3.65 | $3.80 | $3.58 | $3.67 | 58 374 |
| 2021-08-12 | $3.75 | $3.75 | $3.60 | $3.67 | 34 962 |
| 2021-08-11 | $3.50 | $3.65 | $3.46 | $3.58 | 33 998 |
| 2021-08-10 | $3.55 | $3.64 | $3.50 | $3.55 | 27 044 |
| 2021-08-09 | $3.63 | $3.69 | $3.50 | $3.55 | 36 149 |
| 2021-08-06 | $3.66 | $3.69 | $3.46 | $3.62 | 40 092 |
ClearSign Combustion Corporation designs and develops technologies to enhance emission and operational performance, energy efficiency, and overall cost-effectiveness of combustion systems worldwide. Its Duplex And Electrodynamic Combustion Control platform technologies enhances the performance of combustion systems in a range of markets, including refinery, petrochemical, chemical, power, and commercial boiler industries. ClearSign Combustion Cor... Golden Star Signal
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