Tecogen Inc. (TGEN)
NYSEAMERICAN: TGEN · Real-Time Price · USD
9.16
-0.02 (-0.22%)
Oct 8, 2025, 1:59 PM EDT - Market open
Tecogen Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 8, 2025 | 9.20 | 9.44 | 9.07 | 9.24 | - | 0.65% | 223,346 |
| 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 |
| Aug 19, 2025 | 9.48 | 9.55 | 8.27 | 8.56 | 8.56 | -10.08% | 979,004 |
| Aug 18, 2025 | 8.82 | 9.66 | 8.56 | 9.52 | 9.52 | 14.84% | 1,112,369 |
| Aug 15, 2025 | 8.92 | 9.01 | 8.19 | 8.29 | 8.29 | -7.17% | 775,339 |
| Aug 14, 2025 | 8.42 | 8.94 | 7.74 | 8.93 | 8.93 | 3.72% | 1,513,735 |
| Aug 13, 2025 | 10.94 | 11.55 | 8.42 | 8.61 | 8.61 | -2.38% | 2,544,992 |
| Aug 12, 2025 | 9.14 | 9.49 | 8.41 | 8.82 | 8.82 | -2.22% | 1,130,404 |
| Aug 11, 2025 | 9.49 | 9.50 | 8.50 | 9.02 | 9.02 | -4.35% | 779,475 |
| Aug 8, 2025 | 8.51 | 9.73 | 8.51 | 9.43 | 9.43 | 12.80% | 1,293,246 |
| Aug 7, 2025 | 9.27 | 9.75 | 8.25 | 8.36 | 8.36 | -9.03% | 959,807 |
| Aug 6, 2025 | 8.73 | 10.02 | 8.22 | 9.19 | 9.19 | 8.37% | 1,172,539 |
| Aug 5, 2025 | 9.13 | 9.87 | 8.42 | 8.48 | 8.48 | -6.81% | 613,060 |
| Aug 4, 2025 | 9.36 | 10.22 | 8.85 | 9.10 | 9.10 | -0.87% | 768,900 |
| Aug 1, 2025 | 8.60 | 9.49 | 8.16 | 9.18 | 9.18 | -5.17% | 975,396 |
| Jul 31, 2025 | 8.75 | 10.04 | 8.38 | 9.68 | 9.68 | 15.51% | 1,654,789 |
| Jul 30, 2025 | 7.52 | 8.73 | 7.52 | 8.38 | 8.38 | 12.79% | 1,034,957 |