Birchtech Corp. (BCHT)
OTCMKTS · Delayed Price · Currency is USD
3.450
-0.040 (-1.15%)
At close: Feb 5, 2026
Birchtech Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Feb 5, 2026 | 3.60 | 3.62 | 3.40 | 3.45 | 3.45 | -1.15% | 109,559 |
| Feb 4, 2026 | 3.40 | 3.52 | 3.40 | 3.49 | 3.49 | 1.16% | 24,731 |
| Feb 3, 2026 | 3.59 | 3.59 | 3.38 | 3.45 | 3.45 | -3.63% | 83,361 |
| Feb 2, 2026 | 3.59 | 3.63 | 3.54 | 3.58 | 3.58 | -0.56% | 54,955 |
| Jan 30, 2026 | 3.65 | 3.65 | 3.53 | 3.60 | 3.60 | -1.91% | 36,995 |
| Jan 29, 2026 | 3.67 | 3.73 | 3.59 | 3.67 | 3.67 | -0.27% | 26,182 |
| Jan 28, 2026 | 3.80 | 3.86 | 3.59 | 3.68 | 3.68 | -2.90% | 80,547 |
| Jan 27, 2026 | 3.89 | 3.90 | 3.65 | 3.79 | 3.79 | -0.26% | 52,947 |
| Jan 26, 2026 | 3.97 | 4.02 | 3.78 | 3.80 | 3.80 | -3.92% | 57,474 |
| Jan 23, 2026 | 3.91 | 3.98 | 3.86 | 3.96 | 3.96 | 1.67% | 57,154 |
| Jan 22, 2026 | 3.87 | 3.98 | 3.70 | 3.89 | 3.89 | -1.22% | 93,153 |
| Jan 21, 2026 | 3.81 | 3.97 | 3.76 | 3.94 | 3.94 | 4.73% | 63,740 |
| Jan 20, 2026 | 4.02 | 4.04 | 3.76 | 3.76 | 3.76 | -5.53% | 37,914 |
| Jan 16, 2026 | 3.75 | 3.98 | 3.73 | 3.98 | 3.98 | 4.19% | 35,069 |
| Jan 15, 2026 | 3.80 | 3.87 | 3.71 | 3.82 | 3.82 | 0.84% | 29,181 |
| Jan 14, 2026 | 3.92 | 3.94 | 3.74 | 3.79 | 3.79 | -3.86% | 48,945 |
| Jan 13, 2026 | 3.91 | 3.94 | 3.67 | 3.94 | 3.94 | - | 134,710 |
| Jan 12, 2026 | 4.12 | 4.14 | 3.90 | 3.94 | 3.94 | -5.06% | 91,194 |
| Jan 9, 2026 | 4.15 | 4.29 | 4.00 | 4.15 | 4.15 | -0.48% | 34,653 |
| Jan 8, 2026 | 4.30 | 4.35 | 4.12 | 4.17 | 4.17 | -3.02% | 64,738 |
| Jan 7, 2026 | 4.40 | 4.43 | 4.17 | 4.30 | 4.30 | -0.92% | 103,186 |
| Jan 6, 2026 | 4.24 | 4.57 | 4.15 | 4.34 | 4.34 | 2.36% | 130,393 |
| Jan 5, 2026 | 4.18 | 4.35 | 4.11 | 4.24 | 4.24 | 2.66% | 146,930 |
| Jan 2, 2026 | 3.65 | 4.19 | 3.50 | 4.13 | 4.13 | 10.13% | 87,697 |
| Dec 31, 2025 | 3.50 | 3.93 | 3.50 | 3.75 | 3.75 | -6.25% | 65,370 |
| Dec 30, 2025 | 4.05 | 4.05 | 3.85 | 4.00 | 4.00 | -1.23% | 78,389 |
| Dec 29, 2025 | 4.05 | 4.05 | 3.61 | 4.05 | 4.05 | 8.00% | 78,077 |
| Dec 26, 2025 | 4.05 | 4.08 | 3.74 | 3.75 | 3.75 | -6.25% | 91,931 |
| Dec 24, 2025 | 4.03 | 4.05 | 3.81 | 4.00 | 4.00 | 3.90% | 101,198 |
| Dec 23, 2025 | 4.20 | 4.20 | 3.75 | 3.85 | 3.85 | -4.94% | 117,019 |
| Dec 22, 2025 | 4.10 | 4.23 | 3.95 | 4.05 | 4.05 | -1.82% | 229,140 |
| Dec 19, 2025 | 3.45 | 4.35 | 3.45 | 4.13 | 4.13 | 18.03% | 367,344 |
| Dec 18, 2025 | 3.45 | 3.50 | 3.20 | 3.50 | 3.50 | 6.30% | 103,373 |
| Dec 17, 2025 | 4.45 | 4.47 | 3.14 | 3.29 | 3.29 | -26.11% | 386,386 |
| Dec 16, 2025 | 4.50 | 4.55 | 4.38 | 4.45 | 4.45 | 1.71% | 21,874 |
| Dec 15, 2025 | 4.48 | 4.55 | 4.38 | 4.38 | 4.38 | -2.23% | 30,101 |
| Dec 12, 2025 | 4.57 | 4.58 | 4.42 | 4.48 | 4.47 | -1.34% | 19,673 |
| Dec 11, 2025 | 4.65 | 4.65 | 4.48 | 4.54 | 4.54 | -2.45% | 11,250 |
| Dec 10, 2025 | 4.80 | 4.80 | 4.58 | 4.65 | 4.65 | -2.11% | 22,749 |
| Dec 9, 2025 | 4.53 | 4.80 | 4.44 | 4.75 | 4.75 | 4.40% | 67,668 |
| Dec 8, 2025 | 4.45 | 4.66 | 4.41 | 4.55 | 4.55 | 3.41% | 65,803 |
| Dec 5, 2025 | 4.30 | 4.45 | 4.30 | 4.40 | 4.40 | 2.54% | 25,155 |
| Dec 4, 2025 | 4.33 | 4.38 | 4.28 | 4.29 | 4.29 | -2.48% | 27,753 |
| Dec 3, 2025 | 4.35 | 4.50 | 4.33 | 4.40 | 4.40 | 1.15% | 9,445 |
| Dec 2, 2025 | 4.40 | 4.40 | 4.33 | 4.35 | 4.35 | -1.14% | 10,844 |
| Dec 1, 2025 | 4.48 | 4.50 | 4.38 | 4.40 | 4.40 | -1.10% | 18,228 |
| Nov 28, 2025 | 4.40 | 4.45 | 4.30 | 4.45 | 4.45 | 2.39% | 513 |
| Nov 26, 2025 | 4.43 | 4.48 | 4.35 | 4.35 | 4.35 | -0.34% | 6,014 |
| Nov 25, 2025 | 4.50 | 4.62 | 4.25 | 4.36 | 4.36 | -2.46% | 18,092 |
| Nov 24, 2025 | 4.25 | 4.75 | 4.25 | 4.47 | 4.47 | 5.18% | 72,006 |