Tecogen Inc. (TGEN)
NYSEAMERICAN: TGEN · Real-Time Price · USD
2.070
-0.100 (-4.61%)
At close: Oct 22, 2026, 4:00 PM EDT
2.070
0.00 (0.00%)
Pre-market: Oct 23, 2026, 4:47 AM EDT
Tecogen Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 22, 2026 | 2.13 | 2.14 | 2.00 | 2.07 | 2.07 | -4.61% | 115,405 |
| Oct 21, 2026 | 2.17 | 2.28 | 2.11 | 2.17 | 2.17 | 1.88% | 106,705 |
| Oct 20, 2026 | 2.09 | 2.20 | 2.04 | 2.13 | 2.13 | 0.47% | 57,251 |
| Oct 19, 2026 | 2.15 | 2.15 | 1.95 | 2.12 | 2.12 | 1.44% | 180,759 |
| Oct 16, 2026 | 2.28 | 2.29 | 2.05 | 2.09 | 2.09 | -7.11% | 150,918 |
| Oct 15, 2026 | 2.26 | 2.30 | 2.21 | 2.25 | 2.25 | -2.17% | 103,806 |
| Oct 14, 2026 | 2.25 | 2.33 | 2.21 | 2.30 | 2.30 | - | 144,811 |
| Oct 13, 2026 | 2.33 | 2.39 | 2.26 | 2.30 | 2.30 | -2.13% | 85,746 |
| Oct 12, 2026 | 2.42 | 2.42 | 2.31 | 2.35 | 2.35 | -2.89% | 106,254 |
| Oct 9, 2026 | 2.52 | 2.53 | 2.38 | 2.42 | 2.42 | -2.02% | 54,614 |
| Oct 8, 2026 | 2.73 | 2.77 | 2.35 | 2.47 | 2.47 | -10.51% | 253,845 |
| Oct 7, 2026 | 2.66 | 2.82 | 2.60 | 2.76 | 2.76 | 2.99% | 245,294 |
| Oct 6, 2026 | 2.58 | 2.77 | 2.51 | 2.68 | 2.68 | 5.51% | 85,952 |
| Oct 5, 2026 | 2.65 | 2.68 | 2.51 | 2.54 | 2.54 | -4.15% | 105,076 |
| Oct 2, 2026 | 2.71 | 2.78 | 2.63 | 2.65 | 2.65 | - | 91,400 |
| Oct 1, 2026 | 2.85 | 2.91 | 2.63 | 2.65 | 2.65 | -6.69% | 182,852 |
| Sep 30, 2026 | 3.02 | 3.10 | 2.73 | 2.84 | 2.84 | -3.73% | 375,518 |
| Sep 29, 2026 | 3.19 | 3.31 | 2.95 | 2.95 | 2.95 | -6.65% | 285,806 |
| Sep 28, 2026 | 3.00 | 3.24 | 2.98 | 3.16 | 3.16 | 3.61% | 124,055 |
| Sep 25, 2026 | 3.05 | 3.20 | 2.95 | 3.05 | 3.05 | 0.99% | 64,338 |
| Sep 24, 2026 | 3.14 | 3.28 | 3.02 | 3.02 | 3.02 | -4.13% | 93,767 |
| Sep 23, 2026 | 3.30 | 3.33 | 3.10 | 3.15 | 3.15 | -5.12% | 99,806 |
| Sep 22, 2026 | 3.30 | 3.38 | 3.19 | 3.32 | 3.32 | 0.30% | 129,354 |
| Sep 21, 2026 | 3.23 | 3.33 | 3.11 | 3.31 | 3.31 | 6.09% | 198,647 |
| Sep 18, 2026 | 3.10 | 3.18 | 3.01 | 3.12 | 3.12 | 0.32% | 82,311 |
| Sep 17, 2026 | 3.05 | 3.15 | 2.99 | 3.11 | 3.11 | 5.78% | 120,167 |
| Sep 16, 2026 | 2.97 | 3.05 | 2.89 | 2.94 | 2.94 | -1.01% | 62,469 |
| Sep 15, 2026 | 3.02 | 3.03 | 2.92 | 2.97 | 2.97 | -1.33% | 75,937 |
| Sep 14, 2026 | 2.97 | 3.05 | 2.91 | 3.01 | 3.01 | -1.31% | 99,105 |
| Sep 11, 2026 | 3.12 | 3.18 | 3.01 | 3.05 | 3.05 | 0.66% | 85,804 |
| Sep 10, 2026 | 3.04 | 3.15 | 3.01 | 3.03 | 3.03 | -1.94% | 84,826 |
| Sep 9, 2026 | 3.16 | 3.22 | 3.08 | 3.09 | 3.09 | -4.33% | 109,531 |
| Sep 8, 2026 | 3.18 | 3.35 | 3.10 | 3.23 | 3.23 | 3.19% | 229,463 |
| Sep 4, 2026 | 3.05 | 3.19 | 3.01 | 3.13 | 3.13 | 2.62% | 157,931 |
| Sep 3, 2026 | 3.00 | 3.06 | 2.92 | 3.05 | 3.05 | 3.39% | 152,107 |
| Sep 2, 2026 | 2.97 | 3.03 | 2.91 | 2.95 | 2.95 | -1.99% | 83,190 |
| Sep 1, 2026 | 2.98 | 3.04 | 2.75 | 3.01 | 3.01 | -1.63% | 431,963 |
| Aug 31, 2026 | 3.11 | 3.23 | 3.00 | 3.06 | 3.06 | -1.61% | 172,423 |
| Aug 28, 2026 | 3.17 | 3.18 | 3.05 | 3.11 | 3.11 | -1.89% | 113,597 |
| Aug 27, 2026 | 3.16 | 3.24 | 3.11 | 3.17 | 3.17 | 1.28% | 264,699 |
| Aug 26, 2026 | 3.14 | 3.29 | 3.09 | 3.13 | 3.13 | -1.57% | 100,066 |
| Aug 25, 2026 | 3.09 | 3.21 | 3.05 | 3.18 | 3.18 | 2.25% | 181,823 |
| Aug 24, 2026 | 3.40 | 3.40 | 2.99 | 3.11 | 3.11 | -9.06% | 320,583 |
| Aug 21, 2026 | 3.25 | 3.47 | 3.25 | 3.42 | 3.42 | 4.91% | 217,942 |
| Aug 20, 2026 | 3.32 | 3.42 | 3.13 | 3.26 | 3.26 | -2.98% | 183,628 |
| Aug 19, 2026 | 3.51 | 3.59 | 3.31 | 3.36 | 3.36 | -4.00% | 173,384 |
| Aug 18, 2026 | 3.50 | 3.56 | 3.32 | 3.50 | 3.50 | -1.96% | 227,359 |
| Aug 17, 2026 | 3.62 | 3.96 | 3.55 | 3.57 | 3.57 | -2.19% | 207,395 |
| Aug 14, 2026 | 4.12 | 4.13 | 3.56 | 3.65 | 3.65 | -12.89% | 354,742 |
| Aug 13, 2026 | 3.76 | 4.43 | 3.65 | 4.19 | 4.19 | 4.49% | 334,770 |