Tecogen Inc. (TGEN)
NYSEAMERICAN: TGEN · Real-Time Price · USD
9.17
+0.90 (10.88%)
Oct 29, 2025, 1:38 PM EDT - Market open
Tecogen Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 29, 2025 | 8.31 | 9.02 | 8.28 | 8.98 | - | 8.59% | 405,214 |
| Oct 28, 2025 | 8.65 | 8.74 | 8.22 | 8.27 | 8.27 | -4.50% | 301,328 |
| Oct 27, 2025 | 9.00 | 9.18 | 8.53 | 8.66 | 8.66 | -0.92% | 340,184 |
| Oct 24, 2025 | 8.75 | 9.08 | 8.61 | 8.74 | 8.74 | 3.31% | 447,150 |
| Oct 23, 2025 | 8.68 | 8.82 | 8.32 | 8.46 | 8.46 | 0.48% | 368,246 |
| Oct 22, 2025 | 8.88 | 9.00 | 8.09 | 8.42 | 8.42 | -5.29% | 843,948 |
| Oct 21, 2025 | 8.80 | 9.25 | 8.42 | 8.89 | 8.89 | -0.78% | 618,622 |
| Oct 20, 2025 | 10.00 | 10.15 | 8.79 | 8.96 | 8.96 | -4.58% | 731,238 |
| Oct 17, 2025 | 10.00 | 10.47 | 8.29 | 9.39 | 9.39 | -9.36% | 2,056,664 |
| Oct 16, 2025 | 11.90 | 11.90 | 10.35 | 10.36 | 10.36 | -14.17% | 1,349,778 |
| Oct 15, 2025 | 10.20 | 12.07 | 9.90 | 12.07 | 12.07 | 26.65% | 2,810,288 |
| Oct 14, 2025 | 8.75 | 10.20 | 8.09 | 9.53 | 9.53 | 6.84% | 1,366,476 |
| Oct 13, 2025 | 8.38 | 9.20 | 8.18 | 8.92 | 8.92 | 12.34% | 940,938 |
| Oct 10, 2025 | 9.05 | 9.40 | 7.82 | 7.94 | 7.94 | -11.28% | 1,140,905 |
| Oct 9, 2025 | 8.59 | 9.29 | 8.59 | 8.95 | 8.95 | 0.45% | 371,400 |
| Oct 8, 2025 | 9.20 | 9.44 | 8.80 | 8.91 | 8.91 | -2.94% | 494,206 |
| Oct 7, 2025 | 9.95 | 9.95 | 8.93 | 9.18 | 9.18 | -6.33% | 818,252 |
| Oct 6, 2025 | 9.04 | 10.17 | 9.04 | 9.80 | 9.80 | 6.29% | 924,845 |
| Oct 3, 2025 | 9.12 | 9.83 | 9.07 | 9.22 | 9.22 | 1.32% | 819,444 |
| Oct 2, 2025 | 8.51 | 9.38 | 8.51 | 9.10 | 9.10 | 8.33% | 814,342 |
| Oct 1, 2025 | 8.78 | 8.93 | 8.27 | 8.40 | 8.40 | -4.65% | 457,693 |
| Sep 30, 2025 | 8.23 | 8.95 | 8.16 | 8.81 | 8.81 | 7.31% | 616,147 |
| Sep 29, 2025 | 7.98 | 8.60 | 7.98 | 8.21 | 8.21 | 4.59% | 728,100 |
| Sep 26, 2025 | 8.17 | 8.25 | 7.64 | 7.85 | 7.85 | -3.92% | 580,002 |
| Sep 25, 2025 | 8.00 | 8.48 | 7.65 | 8.17 | 8.17 | -4.44% | 661,385 |
| Sep 24, 2025 | 8.97 | 9.09 | 8.23 | 8.55 | 8.55 | -1.95% | 503,227 |
| Sep 23, 2025 | 9.50 | 10.25 | 8.60 | 8.72 | 8.72 | -3.75% | 1,288,085 |
| Sep 22, 2025 | 8.77 | 9.59 | 8.00 | 9.06 | 9.06 | 3.54% | 1,186,266 |
| Sep 19, 2025 | 7.53 | 8.95 | 7.44 | 8.75 | 8.75 | 20.03% | 1,668,120 |
| Sep 18, 2025 | 7.32 | 7.64 | 7.17 | 7.29 | 7.29 | 2.53% | 556,664 |
| Sep 17, 2025 | 6.90 | 7.41 | 6.90 | 7.11 | 7.11 | 1.43% | 432,305 |
| Sep 16, 2025 | 7.44 | 7.60 | 6.92 | 7.01 | 7.01 | -4.63% | 541,307 |
| Sep 15, 2025 | 7.00 | 7.39 | 7.00 | 7.35 | 7.35 | 7.30% | 495,331 |
| Sep 12, 2025 | 7.01 | 7.19 | 6.85 | 6.85 | 6.85 | -3.39% | 358,973 |
| Sep 11, 2025 | 7.23 | 7.25 | 6.91 | 7.09 | 7.09 | -1.12% | 459,637 |
| Sep 10, 2025 | 6.85 | 7.38 | 6.85 | 7.17 | 7.17 | 8.14% | 704,348 |
| Sep 9, 2025 | 6.97 | 7.20 | 6.61 | 6.63 | 6.63 | 0.30% | 1,105,093 |
| Sep 8, 2025 | 7.06 | 7.12 | 6.33 | 6.61 | 6.61 | -6.11% | 1,233,310 |
| Sep 5, 2025 | 6.97 | 7.26 | 6.64 | 7.04 | 7.04 | 0.43% | 561,966 |
| Sep 4, 2025 | 7.03 | 7.20 | 6.78 | 7.01 | 7.01 | -0.14% | 566,159 |
| Sep 3, 2025 | 7.50 | 7.83 | 6.94 | 7.02 | 7.02 | -5.14% | 825,729 |
| Sep 2, 2025 | 7.54 | 7.62 | 7.26 | 7.40 | 7.40 | -3.14% | 522,969 |
| Aug 29, 2025 | 7.67 | 7.93 | 7.20 | 7.64 | 7.64 | -1.16% | 520,569 |
| Aug 28, 2025 | 7.93 | 8.35 | 7.61 | 7.73 | 7.73 | -2.03% | 496,630 |
| Aug 27, 2025 | 8.35 | 8.42 | 7.79 | 7.89 | 7.89 | -5.28% | 495,222 |
| Aug 26, 2025 | 8.72 | 8.93 | 8.01 | 8.33 | 8.33 | -3.48% | 554,219 |
| Aug 25, 2025 | 9.01 | 9.21 | 8.59 | 8.63 | 8.63 | -5.06% | 579,969 |
| Aug 22, 2025 | 8.57 | 9.23 | 8.34 | 9.09 | 9.09 | 7.07% | 585,800 |
| Aug 21, 2025 | 8.19 | 8.77 | 8.03 | 8.49 | 8.49 | 3.66% | 327,686 |
| Aug 20, 2025 | 8.35 | 8.45 | 7.60 | 8.19 | 8.19 | -4.32% | 1,097,740 |