Tecogen Inc. TGEN
1.91 USD -0.31 (-13.96%)
Regular-session close
1.90 -0.01 -0.52%
After hours · Nov 13, 7:41 PM ET
1.91 Day range 2.28
1.53 52-week range 7.46
- YTD
- -61.34%
- 1 year
- -72.48%
TGEN price history
| Date | Open | High | Low | Close | Change | Change % | Volume |
|---|---|---|---|---|---|---|---|
| Nov 13, 2026 | 2.19 | 2.28 | 1.91 | 1.91 | -0.31 | -13.96% | 728,751 |
| Nov 12, 2026 | 1.75 | 2.40 | 1.75 | 2.22 | +0.52 | +30.59% | 2,977,089 |
| Nov 11, 2026 | 1.77 | 1.91 | 1.69 | 1.70 | +0.02 | +1.19% | 169,666 |
| Nov 10, 2026 | 1.78 | 1.87 | 1.67 | 1.68 | -0.09 | -5.08% | 163,500 |
| Nov 9, 2026 | 1.77 | 1.85 | 1.73 | 1.77 | +0.05 | +2.91% | 227,200 |
| Nov 6, 2026 | 1.59 | 1.75 | 1.58 | 1.72 | +0.19 | +12.42% | 156,500 |
| Nov 5, 2026 | 1.69 | 1.74 | 1.50 | 1.53 | -0.18 | -10.53% | 315,200 |
| Nov 4, 2026 | 1.88 | 1.92 | 1.69 | 1.71 | -0.17 | -9.04% | 212,900 |
| Nov 3, 2026 | 1.87 | 1.89 | 1.80 | 1.88 | +0.08 | +4.44% | 100,100 |
| Nov 2, 2026 | 2.08 | 2.13 | 1.77 | 1.80 | -0.19 | -9.55% | 154,400 |
| Oct 30, 2026 | 2.23 | 2.28 | 1.95 | 1.99 | -0.34 | -14.59% | 203,300 |
| Oct 29, 2026 | 2.26 | 2.50 | 2.26 | 2.33 | 0.00 | 0.00% | 166,900 |
| Oct 28, 2026 | 2.15 | 2.33 | 2.01 | 2.33 | +0.23 | +10.95% | 303,200 |
| Oct 27, 2026 | 1.96 | 2.12 | 1.87 | 2.10 | +0.18 | +9.38% | 391,800 |
| Oct 26, 2026 | 2.09 | 2.19 | 1.87 | 1.92 | -0.18 | -8.57% | 598,200 |
| Oct 23, 2026 | 2.03 | 2.54 | 2.01 | 2.10 | +0.03 | +1.45% | 944,100 |
| Oct 22, 2026 | 2.13 | 2.14 | 2.00 | 2.07 | -0.10 | -4.61% | 115,400 |
| Oct 21, 2026 | 2.17 | 2.28 | 2.11 | 2.17 | +0.04 | +1.88% | 106,900 |
| Oct 20, 2026 | 2.09 | 2.20 | 2.04 | 2.13 | +0.01 | +0.47% | 57,300 |
| Oct 19, 2026 | 2.15 | 2.15 | 1.95 | 2.12 | +0.03 | +1.44% | 186,500 |
| Oct 16, 2026 | 2.28 | 2.29 | 2.05 | 2.09 | -0.16 | -7.11% | 153,100 |
| Oct 15, 2026 | 2.26 | 2.30 | 2.21 | 2.25 | -0.05 | -2.17% | 103,800 |
| Oct 14, 2026 | 2.25 | 2.33 | 2.21 | 2.30 | 0.00 | 0.00% | 144,800 |
| Oct 13, 2026 | 2.33 | 2.39 | 2.26 | 2.30 | -0.05 | -2.13% | 86,600 |
| Oct 12, 2026 | 2.42 | 2.42 | 2.31 | 2.35 | -0.07 | -2.89% | 106,300 |
| Oct 9, 2026 | 2.52 | 2.53 | 2.38 | 2.42 | -0.05 | -2.02% | 57,900 |
| Oct 8, 2026 | 2.73 | 2.77 | 2.35 | 2.47 | -0.29 | -10.51% | 254,100 |
| Oct 7, 2026 | 2.66 | 2.82 | 2.60 | 2.76 | +0.08 | +2.99% | 245,300 |
| Oct 6, 2026 | 2.58 | 2.77 | 2.51 | 2.68 | +0.14 | +5.51% | 86,000 |
| Oct 5, 2026 | 2.65 | 2.67 | 2.51 | 2.54 | -0.11 | -4.15% | 105,100 |
| Oct 2, 2026 | 2.71 | 2.78 | 2.63 | 2.65 | 0.00 | 0.00% | 91,400 |
| Oct 1, 2026 | 2.85 | 2.91 | 2.63 | 2.65 | -0.19 | -6.69% | 182,900 |
| Sep 30, 2026 | 3.02 | 3.10 | 2.73 | 2.84 | -0.11 | -3.73% | 375,600 |
| Sep 29, 2026 | 3.19 | 3.31 | 2.95 | 2.95 | -0.21 | -6.65% | 286,100 |
| Sep 28, 2026 | 3.00 | 3.24 | 2.98 | 3.16 | +0.11 | +3.61% | 124,100 |
| Sep 25, 2026 | 3.05 | 3.20 | 2.95 | 3.05 | +0.03 | +0.99% | 64,400 |
| Sep 24, 2026 | 3.14 | 3.28 | 3.02 | 3.02 | -0.13 | -4.13% | 93,800 |
| Sep 23, 2026 | 3.30 | 3.33 | 3.10 | 3.15 | -0.17 | -5.12% | 99,800 |
| Sep 22, 2026 | 3.30 | 3.38 | 3.19 | 3.32 | +0.01 | +0.30% | 129,400 |
| Sep 21, 2026 | 3.23 | 3.33 | 3.11 | 3.31 | +0.19 | +6.09% | 198,600 |
| Sep 18, 2026 | 3.10 | 3.18 | 3.01 | 3.12 | +0.01 | +0.32% | 82,400 |
| Sep 17, 2026 | 3.05 | 3.15 | 2.99 | 3.11 | +0.17 | +5.78% | 120,200 |
| Sep 16, 2026 | 2.97 | 3.05 | 2.88 | 2.94 | -0.03 | -1.01% | 62,500 |
| Sep 15, 2026 | 3.02 | 3.03 | 2.92 | 2.97 | -0.04 | -1.33% | 76,100 |
| Sep 14, 2026 | 2.97 | 3.05 | 2.91 | 3.01 | -0.04 | -1.31% | 99,100 |
| Sep 11, 2026 | 3.12 | 3.17 | 3.01 | 3.05 | +0.02 | +0.66% | 85,800 |
| Sep 10, 2026 | 3.04 | 3.15 | 3.01 | 3.03 | -0.06 | -1.94% | 84,800 |
| Sep 9, 2026 | 3.16 | 3.22 | 3.08 | 3.09 | -0.14 | -4.33% | 109,500 |
| Sep 8, 2026 | 3.18 | 3.35 | 3.10 | 3.23 | +0.10 | +3.19% | 229,500 |
| Sep 4, 2026 | 3.05 | 3.19 | 3.01 | 3.13 | +0.08 | +2.62% | 157,900 |
| Sep 3, 2026 | 3.00 | 3.06 | 2.92 | 3.05 | +0.10 | +3.39% | 152,100 |
| Sep 2, 2026 | 2.97 | 3.03 | 2.91 | 2.95 | -0.06 | -1.99% | 86,200 |
| Sep 1, 2026 | 2.98 | 3.04 | 2.75 | 3.01 | -0.05 | -1.63% | 432,100 |
| Aug 31, 2026 | 3.11 | 3.23 | 3.00 | 3.06 | -0.05 | -1.61% | 189,400 |
| Aug 28, 2026 | 3.17 | 3.18 | 3.05 | 3.11 | -0.06 | -1.89% | 113,600 |
| Aug 27, 2026 | 3.16 | 3.24 | 3.11 | 3.17 | +0.04 | +1.28% | 264,700 |
| Aug 26, 2026 | 3.14 | 3.29 | 3.09 | 3.13 | -0.05 | -1.57% | 100,100 |
| Aug 25, 2026 | 3.09 | 3.21 | 3.05 | 3.18 | +0.07 | +2.25% | 182,400 |
| Aug 24, 2026 | 3.40 | 3.40 | 2.98 | 3.11 | -0.31 | -9.06% | 321,700 |
| Aug 21, 2026 | 3.25 | 3.46 | 3.25 | 3.42 | +0.16 | +4.91% | 218,000 |
| Aug 20, 2026 | 3.32 | 3.42 | 3.13 | 3.26 | -0.10 | -2.98% | 183,800 |
| Aug 19, 2026 | 3.51 | 3.59 | 3.31 | 3.36 | -0.14 | -4.00% | 173,400 |
| Aug 18, 2026 | 3.50 | 3.56 | 3.32 | 3.50 | -0.07 | -1.96% | 228,200 |
| Aug 17, 2026 | 3.62 | 3.96 | 3.55 | 3.57 | -0.08 | -2.19% | 207,400 |
| Aug 14, 2026 | 4.12 | 4.13 | 3.56 | 3.65 | -0.54 | -12.89% | 356,200 |
65 days, newest first. Daily bars as drawn on the TGEN chart; change is against the previous day's close. Open, high, low and volume are in the download and on a wider screen.