5 DAY PERFORMANCE
-1.02%
1 MONTH PERFORMANCE
-14.91%
3 MONTH PERFORMANCE
-51.74%
6 MONTH PERFORMANCE
+30.49%
YEAR-TO-DATE PERFORMANCE
-41.09%
1 YEAR PERFORMANCE
-66.74%
Tecogen Inc Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 09/18/2026 | $3.10 | $3.12 (0.65%) | $3.18 | $3.01 | 82.40 K | $93.38 M |
| 09/17/2026 | $3.05 | $3.11 (1.97%) | $3.15 | $2.99 | 120.27 K | $93.08 M |
| 09/16/2026 | $2.97 | $2.94 (-1.01%) | $3.05 | $2.88 | 62.55 K | $88.00 M |
| 09/15/2026 | $3.02 | $2.97 (-1.66%) | $3.03 | $2.92 | 76.15 K | $88.89 M |
| 09/14/2026 | $2.97 | $3.01 (1.35%) | $3.05 | $2.91 | 99.28 K | $90.09 M |
| 09/11/2026 | $3.12 | $3.05 (-2.24%) | $3.18 | $3.01 | 88.38 K | $91.29 M |
| 09/10/2026 | $3.04 | $3.03 (-0.33%) | $3.15 | $3.01 | 84.88 K | $90.69 M |
| 09/09/2026 | $3.16 | $3.09 (-2.22%) | $3.22 | $3.08 | 109.55 K | $92.48 M |
| 09/08/2026 | $3.18 | $3.23 (1.57%) | $3.35 | $3.10 | 229.50 K | $96.68 M |
| 09/04/2026 | $3.05 | $3.13 (2.62%) | $3.19 | $3.01 | 157.93 K | $93.68 M |
| 09/03/2026 | $3.00 | $3.05 (1.67%) | $3.06 | $2.92 | 152.16 K | $91.29 M |
| 09/02/2026 | $2.97 | $2.95 (-0.67%) | $3.03 | $2.91 | 86.20 K | $88.29 M |
| 09/01/2026 | $2.98 | $3.01 (1.01%) | $3.04 | $2.75 | 432.10 K | $90.09 M |
| 08/31/2026 | $3.11 | $3.06 (-1.61%) | $3.23 | $3.00 | 189.41 K | $91.59 M |
| 08/28/2026 | $3.17 | $3.11 (-1.89%) | $3.18 | $3.05 | 113.63 K | $93.08 M |
| 08/27/2026 | $3.16 | $3.17 (0.32%) | $3.24 | $3.11 | 264.70 K | $94.88 M |
| 08/26/2026 | $3.14 | $3.13 (-0.32%) | $3.29 | $3.09 | 100.10 K | $93.68 M |
| 08/25/2026 | $3.09 | $3.18 (2.91%) | $3.21 | $3.05 | 182.40 K | $95.18 M |
| 08/24/2026 | $3.40 | $3.11 (-8.53%) | $3.40 | $2.99 | 321.83 K | $93.08 M |
| 08/21/2026 | $3.25 | $3.42 (5.23%) | $3.47 | $3.25 | 218.37 K | $102.36 M |
| 08/20/2026 | $3.32 | $3.26 (-1.81%) | $3.42 | $3.13 | 183.80 K | $97.57 M |
| 08/19/2026 | $3.51 | $3.36 (-4.27%) | $3.59 | $3.31 | 173.40 K | $100.57 M |
| 08/18/2026 | $3.50 | $3.50 (0%) | $3.56 | $3.32 | 228.20 K | $104.76 M |
| 08/17/2026 | $3.62 | $3.57 (-1.38%) | $3.96 | $3.55 | 207.42 K | $106.85 M |
| 08/14/2026 | $4.12 | $3.65 (-11.41%) | $4.13 | $3.56 | 356.36 K | $109.25 M |
| 08/13/2026 | $3.76 | $4.19 (11.44%) | $4.43 | $3.65 | 335.45 K | $125.41 M |
| 08/12/2026 | $4.06 | $4.01 (-1.23%) | $4.14 | $3.94 | 182.14 K | $120.02 M |
| 08/11/2026 | $3.90 | $4.06 (4.1%) | $4.06 | $3.90 | 72.91 K | $121.52 M |
| 08/10/2026 | $3.90 | $3.88 (-0.51%) | $4.00 | $3.83 | 94.00 K | $116.13 M |
| 08/07/2026 | $3.79 | $3.89 (2.64%) | $4.00 | $3.77 | 109.34 K | $116.15 M |
| 08/06/2026 | $3.71 | $3.73 (0.54%) | $3.86 | $3.70 | 164.62 K | $111.37 M |
| 08/05/2026 | $3.79 | $3.76 (-0.79%) | $3.97 | $3.61 | 155.86 K | $112.27 M |
| 08/04/2026 | $3.71 | $3.74 (0.81%) | $3.88 | $3.71 | 179.40 K | $111.67 M |
| 08/03/2026 | $3.36 | $3.65 (8.63%) | $3.67 | $3.36 | 195.70 K | $108.99 M |
| 07/31/2026 | $3.27 | $3.32 (1.53%) | $3.37 | $3.22 | 74.40 K | $99.13 M |
| 07/30/2026 | $3.08 | $3.20 (3.9%) | $3.23 | $3.07 | 182.20 K | $95.55 M |
| 07/29/2026 | $3.07 | $3.00 (-2.28%) | $3.30 | $2.91 | 528.50 K | $89.58 M |
| 07/28/2026 | $3.39 | $3.10 (-8.55%) | $3.39 | $3.07 | 397.10 K | $92.56 M |
| 07/27/2026 | $3.28 | $3.34 (1.83%) | $3.44 | $3.16 | 295.80 K | $99.73 M |
| 07/24/2026 | $3.38 | $3.22 (-4.73%) | $3.38 | $3.15 | 363.34 K | $96.15 M |
| 07/23/2026 | $3.44 | $3.40 (-1.16%) | $3.64 | $3.34 | 275.70 K | $101.52 M |
| 07/22/2026 | $3.50 | $3.54 (1.14%) | $3.74 | $3.48 | 226.60 K | $105.70 M |
| 07/21/2026 | $3.52 | $3.59 (1.99%) | $3.59 | $3.32 | 323.30 K | $107.19 M |
| 07/20/2026 | $3.61 | $3.45 (-4.43%) | $3.70 | $3.41 | 143.67 K | $103.01 M |
| 07/17/2026 | $3.58 | $3.55 (-0.84%) | $3.68 | $3.49 | 373.30 K | $106.00 M |
| 07/16/2026 | $3.89 | $3.73 (-4.11%) | $4.08 | $3.63 | 247.00 K | $111.37 M |
| 07/15/2026 | $4.07 | $3.95 (-2.95%) | $4.22 | $3.86 | 189.40 K | $117.94 M |
| 07/14/2026 | $4.00 | $4.01 (0.25%) | $4.16 | $3.97 | 207.75 K | $119.74 M |
| 07/13/2026 | $4.08 | $3.98 (-2.45%) | $4.10 | $3.92 | 172.50 K | $118.84 M |
| 07/10/2026 | $4.45 | $4.12 (-7.42%) | $4.47 | $4.11 | 84.15 K | $123.02 M |
| 07/09/2026 | $4.10 | $4.47 (9.02%) | $4.51 | $4.01 | 297.86 K | $133.47 M |
| 07/08/2026 | $3.96 | $4.07 (2.78%) | $4.10 | $3.86 | 214.23 K | $121.53 M |
| 07/07/2026 | $4.27 | $4.00 (-6.32%) | $4.45 | $3.95 | 330.02 K | $119.44 M |
| 07/06/2026 | $4.52 | $4.36 (-3.54%) | $4.73 | $4.27 | 367.30 K | $130.19 M |
| 07/02/2026 | $4.87 | $4.52 (-7.19%) | $5.14 | $4.36 | 452.22 K | $134.96 M |
| 07/01/2026 | $5.17 | $4.93 (-4.64%) | $5.45 | $4.87 | 199.49 K | $147.21 M |
| 06/30/2026 | $5.27 | $5.22 (-0.95%) | $5.49 | $5.06 | 137.70 K | $155.86 M |
| 06/29/2026 | $5.18 | $5.23 (0.97%) | $5.42 | $4.98 | 151.70 K | $156.16 M |
| 06/26/2026 | $5.10 | $5.17 (1.37%) | $5.34 | $4.95 | 241.52 K | $154.37 M |
| 06/25/2026 | $5.50 | $5.20 (-5.45%) | $5.76 | $5.09 | 339.28 K | $155.27 M |
| 06/24/2026 | $5.84 | $5.38 (-7.88%) | $5.95 | $5.30 | 259.20 K | $160.64 M |
| 06/23/2026 | $5.79 | $5.72 (-1.21%) | $6.27 | $5.62 | 265.92 K | $170.79 M |
| 06/22/2026 | $6.06 | $6.05 (-0.17%) | $6.35 | $6.00 | 189.20 K | $180.65 M |
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