5 DAY PERFORMANCE
-12.35%
1 MONTH PERFORMANCE
-27.25%
3 MONTH PERFORMANCE
-39.63%
6 MONTH PERFORMANCE
-22.40%
YEAR-TO-DATE PERFORMANCE
-41.09%
1 YEAR PERFORMANCE
-65.19%
Tecogen Inc Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 08/07/2026 | $3.79 | $3.95 (4.23%) | $4.00 | $3.77 | 40.55 K | $117.94 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 |
| 06/18/2026 | $6.00 | $6.03 (0.5%) | $6.17 | $5.86 | 168.50 K | $180.05 M |
| 06/17/2026 | $5.77 | $5.78 (0.17%) | $6.19 | $5.71 | 198.85 K | $172.59 M |
| 06/16/2026 | $5.70 | $5.67 (-0.53%) | $6.08 | $5.55 | 163.42 K | $169.30 M |
| 06/15/2026 | $6.05 | $5.68 (-6.12%) | $6.18 | $5.62 | 215.60 K | $169.60 M |
| 06/12/2026 | $5.67 | $5.73 (1.06%) | $5.95 | $5.53 | 195.71 K | $171.09 M |
| 06/11/2026 | $5.38 | $5.71 (6.13%) | $5.71 | $5.21 | 249.10 K | $170.50 M |
| 06/10/2026 | $5.59 | $5.32 (-4.83%) | $5.85 | $5.24 | 242.20 K | $158.85 M |
| 06/09/2026 | $6.19 | $5.67 (-8.4%) | $6.34 | $5.30 | 611.40 K | $169.30 M |
| 06/08/2026 | $6.15 | $6.09 (-0.98%) | $6.36 | $6.00 | 343.56 K | $181.84 M |
| 06/05/2026 | $7.04 | $5.74 (-18.47%) | $7.19 | $5.70 | 550.01 K | $171.39 M |
| 06/04/2026 | $6.69 | $6.90 (3.14%) | $7.43 | $6.40 | 399.21 K | $206.03 M |
| 06/03/2026 | $6.50 | $6.82 (4.92%) | $7.01 | $6.32 | 443.90 K | $203.64 M |
| 06/02/2026 | $6.85 | $6.54 (-4.53%) | $6.90 | $6.42 | 413.38 K | $195.28 M |
| 06/01/2026 | $6.04 | $6.86 (13.58%) | $6.95 | $6.02 | 516.89 K | $204.83 M |
| 05/29/2026 | $6.37 | $6.21 (-2.51%) | $6.51 | $5.90 | 262.50 K | $185.43 M |
| 05/28/2026 | $6.40 | $6.37 (-0.47%) | $6.72 | $6.27 | 326.34 K | $190.20 M |
| 05/27/2026 | $6.09 | $6.57 (7.88%) | $6.98 | $6.00 | 892.42 K | $196.17 M |
| 05/26/2026 | $5.80 | $6.05 (4.31%) | $6.39 | $5.75 | 537.75 K | $180.65 M |
| 05/22/2026 | $5.56 | $5.74 (3.24%) | $5.83 | $5.50 | 391.53 K | $171.39 M |
| 05/21/2026 | $5.29 | $5.52 (4.35%) | $5.54 | $5.29 | 185.74 K | $164.82 M |
| 05/20/2026 | $5.46 | $5.30 (-2.93%) | $5.84 | $5.16 | 443.03 K | $158.25 M |
| 05/19/2026 | $6.08 | $5.36 (-11.84%) | $6.11 | $5.35 | 554.05 K | $160.05 M |
| 05/18/2026 | $6.52 | $6.35 (-2.61%) | $7.18 | $6.20 | 870.13 K | $189.61 M |
| 05/15/2026 | $5.99 | $6.52 (8.85%) | $6.64 | $5.55 | 1.11 M | $194.68 M |
| 05/14/2026 | $5.13 | $6.22 (21.25%) | $6.32 | $5.04 | 1.79 M | $185.72 M |
| 05/13/2026 | $3.85 | $5.07 (31.69%) | $5.19 | $3.85 | 1.93 M | $151.39 M |
| 05/12/2026 | $4.32 | $4.23 (-2.08%) | $4.32 | $4.06 | 468.02 K | $126.30 M |
| 05/11/2026 | $3.67 | $4.37 (19.07%) | $4.59 | $3.65 | 583.20 K | $130.48 M |
| 05/08/2026 | $4.80 | $4.63 (-3.54%) | $4.89 | $4.52 | 463.00 K | $138.25 M |
| 05/07/2026 | $5.22 | $4.82 (-7.66%) | $5.29 | $4.71 | 366.64 K | $143.92 M |
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