5 DAY PERFORMANCE
+1.59%
1 MONTH PERFORMANCE
-24.75%
3 MONTH PERFORMANCE
-38.52%
6 MONTH PERFORMANCE
-53.80%
YEAR-TO-DATE PERFORMANCE
-22.47%
1 YEAR PERFORMANCE
+63.68%
Tecogen Inc Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 02/17/2026 | $3.85 | $3.83 (-0.52%) | $3.87 | $3.63 | 252.63 K | $100.15 M |
| 02/13/2026 | $3.81 | $3.81 (0%) | $3.91 | $3.71 | 303.39 K | $100.41 M |
| 02/12/2026 | $3.93 | $3.77 (-4.07%) | $4.00 | $3.71 | 122.50 K | $99.36 M |
| 02/11/2026 | $4.02 | $3.90 (-2.99%) | $4.22 | $3.82 | 330.22 K | $102.78 M |
| 02/10/2026 | $3.87 | $3.79 (-2.07%) | $3.92 | $3.69 | 149.54 K | $99.88 M |
| 02/09/2026 | $3.78 | $3.89 (2.91%) | $3.90 | $3.58 | 282.80 K | $102.52 M |
| 02/06/2026 | $3.58 | $3.75 (4.75%) | $4.00 | $3.58 | 398.02 K | $98.83 M |
| 02/05/2026 | $3.50 | $3.50 (0%) | $3.70 | $3.44 | 271.32 K | $92.24 M |
| 02/04/2026 | $3.86 | $3.60 (-6.74%) | $3.86 | $3.45 | 526.27 K | $94.88 M |
| 02/03/2026 | $3.80 | $3.80 (0%) | $3.99 | $3.60 | 336.92 K | $100.15 M |
| 02/02/2026 | $3.73 | $3.77 (1.07%) | $3.91 | $3.65 | 415.43 K | $99.36 M |
| 01/30/2026 | $4.11 | $3.74 (-9%) | $4.21 | $3.71 | 420.14 K | $98.57 M |
| 01/29/2026 | $4.06 | $4.14 (1.97%) | $4.20 | $3.95 | 364.20 K | $109.11 M |
| 01/28/2026 | $4.26 | $4.13 (-3.05%) | $4.31 | $3.97 | 564.00 K | $108.85 M |
| 01/27/2026 | $4.29 | $4.25 (-0.93%) | $4.44 | $4.10 | 371.63 K | $112.01 M |
| 01/26/2026 | $4.32 | $4.30 (-0.46%) | $4.52 | $4.26 | 641.90 K | $113.33 M |
| 01/23/2026 | $4.76 | $4.34 (-8.82%) | $4.76 | $4.31 | 401.72 K | $114.38 M |
| 01/22/2026 | $4.67 | $4.76 (1.93%) | $4.83 | $4.54 | 303.21 K | $125.45 M |
| 01/21/2026 | $4.56 | $4.60 (0.88%) | $4.95 | $4.44 | 563.50 K | $121.23 M |
| 01/20/2026 | $4.88 | $4.74 (-2.87%) | $4.99 | $4.71 | 355.84 K | $124.92 M |
| 01/16/2026 | $5.00 | $5.09 (1.8%) | $5.18 | $5.00 | 483.11 K | $134.15 M |
| 01/15/2026 | $5.00 | $4.99 (-0.2%) | $5.15 | $4.91 | 314.00 K | $131.51 M |
| 01/14/2026 | $4.94 | $4.96 (0.4%) | $5.06 | $4.83 | 323.16 K | $130.72 M |
| 01/13/2026 | $4.80 | $4.93 (2.71%) | $5.07 | $4.77 | 366.23 K | $129.93 M |
| 01/12/2026 | $4.63 | $4.74 (2.38%) | $4.81 | $4.50 | 379.44 K | $124.92 M |
| 01/09/2026 | $5.05 | $4.76 (-5.74%) | $5.10 | $4.59 | 829.60 K | $125.45 M |
| 01/08/2026 | $4.39 | $5.03 (14.58%) | $5.15 | $4.39 | 1.20 M | $132.57 M |
| 01/07/2026 | $4.46 | $4.44 (-0.45%) | $4.84 | $4.27 | 1.44 M | $117.02 M |
| 01/06/2026 | $5.67 | $4.41 (-22.22%) | $5.72 | $4.22 | 4.10 M | $116.22 M |
| 01/05/2026 | $5.39 | $5.54 (2.78%) | $5.79 | $5.20 | 614.50 K | $146.01 M |
| 01/02/2026 | $5.04 | $5.34 (5.95%) | $5.40 | $4.96 | 469.22 K | $140.74 M |
| 12/31/2025 | $4.90 | $4.94 (0.82%) | $5.07 | $4.88 | 421.80 K | $130.19 M |
| 12/30/2025 | $5.07 | $4.92 (-2.96%) | $5.12 | $4.90 | 574.20 K | $129.67 M |
| 12/29/2025 | $5.05 | $5.09 (0.79%) | $5.20 | $5.00 | 375.14 K | $134.15 M |
| 12/26/2025 | $5.29 | $5.18 (-2.08%) | $5.34 | $5.06 | 420.10 K | $136.52 M |
| 12/24/2025 | $5.22 | $5.33 (2.11%) | $5.35 | $5.13 | 222.05 K | $140.47 M |
| 12/23/2025 | $5.05 | $5.23 (3.56%) | $5.28 | $5.02 | 363.69 K | $137.84 M |
| 12/22/2025 | $5.13 | $5.11 (-0.39%) | $5.33 | $4.96 | 637.09 K | $134.67 M |
| 12/19/2025 | $4.72 | $5.04 (6.78%) | $5.50 | $4.62 | 2.09 M | $132.83 M |
| 12/18/2025 | $4.97 | $4.70 (-5.43%) | $5.27 | $4.68 | 1.40 M | $123.87 M |
| 12/17/2025 | $5.30 | $4.78 (-9.81%) | $5.39 | $4.64 | 1.78 M | $125.98 M |
| 12/16/2025 | $5.83 | $5.34 (-8.4%) | $5.91 | $5.25 | 699.20 K | $140.74 M |
| 12/15/2025 | $6.30 | $5.84 (-7.3%) | $6.30 | $5.81 | 442.80 K | $153.91 M |
| 12/12/2025 | $6.40 | $6.03 (-5.78%) | $6.70 | $5.88 | 534.50 K | $158.92 M |
| 12/11/2025 | $6.51 | $6.47 (-0.61%) | $6.54 | $6.08 | 483.22 K | $170.52 M |
| 12/10/2025 | $6.72 | $6.56 (-2.38%) | $6.75 | $6.42 | 300.09 K | $172.89 M |
| 12/09/2025 | $6.74 | $6.79 (0.74%) | $6.85 | $6.59 | 279.40 K | $178.95 M |
| 12/08/2025 | $6.96 | $6.85 (-1.58%) | $7.06 | $6.67 | 287.70 K | $180.53 M |
| 12/05/2025 | $7.34 | $7.01 (-4.5%) | $7.48 | $6.91 | 316.40 K | $184.75 M |
| 12/04/2025 | $7.01 | $7.30 (4.14%) | $7.51 | $6.85 | 543.22 K | $192.39 M |
| 12/03/2025 | $6.49 | $7.05 (8.63%) | $7.10 | $6.31 | 333.13 K | $185.80 M |
| 12/02/2025 | $6.60 | $6.44 (-2.42%) | $6.79 | $6.41 | 270.30 K | $169.73 M |
| 12/01/2025 | $7.26 | $6.50 (-10.47%) | $7.33 | $6.48 | 820.70 K | $171.31 M |
| 11/28/2025 | $7.40 | $7.46 (0.81%) | $7.60 | $7.21 | 344.90 K | $196.61 M |
| 11/26/2025 | $6.95 | $7.00 (0.72%) | $7.22 | $6.75 | 409.04 K | $184.48 M |
| 11/25/2025 | $6.86 | $6.88 (0.29%) | $7.00 | $6.43 | 275.00 K | $181.32 M |
| 11/24/2025 | $6.73 | $6.80 (1.04%) | $7.10 | $6.50 | 335.44 K | $179.21 M |
| 11/21/2025 | $6.34 | $6.50 (2.52%) | $7.16 | $6.05 | 1.09 M | $171.31 M |
| 11/20/2025 | $6.43 | $6.22 (-3.27%) | $6.80 | $5.97 | 761.04 K | $163.93 M |
| 11/19/2025 | $6.41 | $6.16 (-3.9%) | $6.49 | $6.05 | 663.43 K | $162.35 M |
| 11/18/2025 | $6.05 | $6.34 (4.79%) | $6.63 | $5.98 | 526.34 K | $167.09 M |
| 11/17/2025 | $6.26 | $6.23 (-0.48%) | $6.61 | $6.01 | 655.93 K | $164.19 M |
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