Birchtech Corp. (BCHT)
NYSEAMERICAN: BCHT · Real-Time Price · USD
1.480
-0.110 (-6.92%)
At close: Apr 28, 2026, 4:00 PM EDT
1.480
0.00 (0.00%)
After-hours: Apr 28, 2026, 6:30 PM EDT
Birchtech Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 1.59 | 1.62 | 1.55 | 1.50 | - | -5.66% | 86,284 |
| Apr 27, 2026 | 1.56 | 1.63 | 1.54 | 1.59 | 1.59 | 2.58% | 197,772 |
| Apr 24, 2026 | 1.55 | 1.70 | 1.52 | 1.55 | 1.55 | 1.97% | 642,337 |
| Apr 23, 2026 | 1.52 | 1.53 | 1.50 | 1.52 | 1.52 | 0.66% | 119,938 |
| Apr 22, 2026 | 1.53 | 1.54 | 1.48 | 1.51 | 1.51 | -1.95% | 89,881 |
| Apr 21, 2026 | 1.52 | 1.54 | 1.47 | 1.54 | 1.54 | 1.99% | 98,787 |
| Apr 20, 2026 | 1.59 | 1.61 | 1.46 | 1.51 | 1.51 | -6.79% | 167,099 |
| Apr 17, 2026 | 1.69 | 1.75 | 1.60 | 1.62 | 1.62 | -3.57% | 76,640 |
| Apr 16, 2026 | 1.82 | 1.91 | 1.68 | 1.68 | 1.68 | -7.69% | 126,449 |
| Apr 15, 2026 | 1.76 | 1.91 | 1.76 | 1.82 | 1.82 | 1.11% | 84,342 |
| Apr 14, 2026 | 1.79 | 1.86 | 1.68 | 1.80 | 1.80 | 4.05% | 65,088 |
| Apr 13, 2026 | 1.67 | 1.79 | 1.63 | 1.73 | 1.73 | 4.22% | 162,383 |
| Apr 10, 2026 | 1.71 | 1.79 | 1.61 | 1.66 | 1.66 | -4.60% | 243,237 |
| Apr 9, 2026 | 1.88 | 1.88 | 1.68 | 1.74 | 1.74 | -7.94% | 104,846 |
| Apr 8, 2026 | 1.92 | 1.96 | 1.82 | 1.89 | 1.89 | 0.53% | 55,210 |
| Apr 7, 2026 | 1.93 | 1.93 | 1.78 | 1.88 | 1.88 | -3.59% | 52,903 |
| Apr 6, 2026 | 1.85 | 1.95 | 1.62 | 1.95 | 1.95 | 4.84% | 205,303 |
| Apr 2, 2026 | 1.92 | 2.03 | 1.80 | 1.86 | 1.86 | -3.63% | 118,483 |
| Apr 1, 2026 | 1.84 | 1.97 | 1.84 | 1.93 | 1.93 | 1.58% | 76,347 |
| Mar 31, 2026 | 1.87 | 1.93 | 1.83 | 1.90 | 1.90 | 1.60% | 110,761 |
| Mar 30, 2026 | 1.94 | 1.98 | 1.77 | 1.87 | 1.87 | -2.09% | 197,057 |
| Mar 27, 2026 | 2.08 | 2.14 | 1.85 | 1.91 | 1.91 | -6.83% | 54,338 |
| Mar 26, 2026 | 2.14 | 2.14 | 2.05 | 2.05 | 2.05 | -0.97% | 49,887 |
| Mar 25, 2026 | 2.11 | 2.17 | 2.07 | 2.07 | 2.07 | -0.96% | 22,104 |
| Mar 24, 2026 | 2.11 | 2.23 | 2.08 | 2.09 | 2.09 | - | 24,816 |
| Mar 23, 2026 | 2.15 | 2.20 | 2.09 | 2.09 | 2.09 | -2.34% | 114,744 |
| Mar 20, 2026 | 2.17 | 2.18 | 2.10 | 2.14 | 2.14 | - | 29,844 |
| Mar 19, 2026 | 2.16 | 2.18 | 2.11 | 2.14 | 2.14 | -1.83% | 99,508 |
| Mar 18, 2026 | 2.16 | 2.34 | 2.13 | 2.18 | 2.18 | 0.93% | 141,989 |
| Mar 17, 2026 | 2.14 | 2.25 | 2.14 | 2.16 | 2.16 | 1.41% | 52,885 |
| Mar 16, 2026 | 2.14 | 2.20 | 2.13 | 2.13 | 2.13 | 1.43% | 26,745 |
| Mar 13, 2026 | 2.32 | 2.32 | 2.10 | 2.10 | 2.10 | -8.30% | 138,440 |
| Mar 12, 2026 | 2.27 | 2.40 | 2.27 | 2.29 | 2.29 | -1.29% | 70,024 |
| Mar 11, 2026 | 2.41 | 2.41 | 2.27 | 2.32 | 2.32 | -3.33% | 74,438 |
| Mar 10, 2026 | 2.32 | 2.41 | 2.25 | 2.40 | 2.40 | 3.45% | 124,764 |
| Mar 9, 2026 | 2.40 | 2.40 | 2.22 | 2.32 | 2.32 | -1.28% | 69,319 |
| Mar 6, 2026 | 2.30 | 2.43 | 2.21 | 2.35 | 2.35 | 3.52% | 152,224 |
| Mar 5, 2026 | 2.28 | 2.35 | 2.17 | 2.27 | 2.27 | -0.44% | 131,949 |
| Mar 4, 2026 | 2.28 | 2.32 | 2.20 | 2.28 | 2.28 | 1.79% | 156,865 |
| Mar 3, 2026 | 2.34 | 2.35 | 2.20 | 2.24 | 2.24 | -4.68% | 167,537 |
| Mar 2, 2026 | 2.45 | 2.45 | 2.32 | 2.35 | 2.35 | -0.42% | 179,123 |
| Feb 27, 2026 | 2.38 | 2.59 | 2.29 | 2.36 | 2.36 | -1.67% | 626,572 |
| Feb 26, 2026 | 2.35 | 2.42 | 2.06 | 2.40 | 2.40 | -14.59% | 1,015,182 |
| Feb 25, 2026 | 2.85 | 2.95 | 2.77 | 2.81 | 2.81 | 4.07% | 62,838 |
| Feb 24, 2026 | 2.82 | 2.83 | 2.70 | 2.70 | 2.70 | -4.29% | 31,634 |
| Feb 23, 2026 | 2.80 | 2.98 | 2.75 | 2.82 | 2.82 | 2.21% | 10,927 |
| Feb 20, 2026 | 2.73 | 3.08 | 2.70 | 2.76 | 2.76 | - | 71,089 |
| Feb 19, 2026 | 2.95 | 2.95 | 2.68 | 2.76 | 2.76 | -2.75% | 33,348 |
| Feb 18, 2026 | 3.00 | 3.06 | 2.66 | 2.84 | 2.84 | -8.04% | 80,194 |
| Feb 17, 2026 | 3.06 | 3.10 | 2.93 | 3.09 | 3.09 | -3.26% | 83,565 |
| Feb 13, 2026 | 3.16 | 3.25 | 3.11 | 3.19 | 3.19 | 0.95% | 14,989 |
| Feb 12, 2026 | 3.32 | 3.40 | 3.00 | 3.16 | 3.16 | -5.84% | 37,800 |
| Feb 11, 2026 | 3.28 | 3.40 | 3.16 | 3.36 | 3.36 | 0.78% | 44,014 |
| Feb 10, 2026 | 3.45 | 3.45 | 3.24 | 3.33 | 3.33 | -2.06% | 18,413 |
| Feb 9, 2026 | 3.31 | 3.56 | 3.05 | 3.40 | 3.40 | 1.19% | 157,695 |
| Feb 6, 2026 | 3.50 | 3.50 | 3.14 | 3.36 | 3.36 | -2.61% | 120,661 |
| 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 |