5 DAY PERFORMANCE
-16.29%
1 MONTH PERFORMANCE
-36.23%
3 MONTH PERFORMANCE
-51.31%
6 MONTH PERFORMANCE
-43.77%
YEAR-TO-DATE PERFORMANCE
-9.51%
1 YEAR PERFORMANCE
+100.45%
Tecogen Inc Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 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 |
| 11/14/2025 | $6.60 | $6.51 (-1.36%) | $7.06 | $6.26 | 1.18 M | $171.57 M |
| 11/13/2025 | $7.17 | $6.94 (-3.21%) | $7.69 | $6.76 | 1.15 M | $182.90 M |
| 11/12/2025 | $8.13 | $7.38 (-9.23%) | $8.18 | $6.93 | 1.14 M | $194.50 M |
| 11/11/2025 | $8.02 | $7.68 (-4.24%) | $8.27 | $7.59 | 481.80 K | $202.41 M |
| 11/10/2025 | $8.65 | $8.16 (-5.66%) | $9.00 | $8.09 | 393.80 K | $215.06 M |
| 11/07/2025 | $8.44 | $8.31 (-1.54%) | $8.44 | $7.43 | 615.77 K | $209.83 M |
| 11/06/2025 | $8.77 | $8.16 (-6.96%) | $9.00 | $7.94 | 750.62 K | $206.04 M |
| 11/05/2025 | $9.03 | $8.82 (-2.33%) | $9.45 | $8.72 | 511.42 K | $222.71 M |
| 11/04/2025 | $9.44 | $9.35 (-0.95%) | $9.78 | $9.01 | 476.00 K | $236.09 M |
| 11/03/2025 | $9.87 | $9.73 (-1.42%) | $10.47 | $9.63 | 527.71 K | $245.68 M |
| 10/31/2025 | $9.75 | $9.98 (2.36%) | $10.29 | $9.09 | 591.95 K | $252.00 M |
| 10/30/2025 | $9.33 | $9.59 (2.79%) | $11.07 | $9.21 | 1.81 M | $242.15 M |
| 10/29/2025 | $8.31 | $9.48 (14.08%) | $9.64 | $8.28 | 1.18 M | $239.37 M |
| 10/28/2025 | $8.65 | $8.27 (-4.39%) | $8.74 | $8.22 | 301.33 K | $208.82 M |
| 10/27/2025 | $9.00 | $8.66 (-3.78%) | $9.18 | $8.53 | 340.18 K | $218.67 M |
| 10/24/2025 | $8.75 | $8.74 (-0.11%) | $9.08 | $8.61 | 447.20 K | $220.69 M |
| 10/23/2025 | $8.68 | $8.46 (-2.53%) | $8.82 | $8.32 | 368.25 K | $213.62 M |
| 10/22/2025 | $8.88 | $8.42 (-5.18%) | $9.00 | $8.09 | 843.95 K | $212.61 M |
| 10/21/2025 | $8.80 | $8.89 (1.02%) | $9.25 | $8.42 | 618.62 K | $224.47 M |
| 10/20/2025 | $10.00 | $8.96 (-10.4%) | $10.15 | $8.79 | 731.24 K | $226.24 M |
| 10/17/2025 | $10.00 | $9.39 (-6.1%) | $10.47 | $8.29 | 2.06 M | $237.10 M |
| 10/16/2025 | $11.90 | $10.36 (-12.94%) | $11.90 | $10.35 | 1.35 M | $261.59 M |
| 10/15/2025 | $10.20 | $12.07 (18.33%) | $12.07 | $9.90 | 2.81 M | $304.77 M |
| 10/14/2025 | $8.75 | $9.53 (8.91%) | $10.20 | $8.09 | 1.37 M | $240.63 M |
| 10/13/2025 | $8.38 | $8.92 (6.44%) | $9.20 | $8.18 | 940.94 K | $225.23 M |
| 10/10/2025 | $9.05 | $7.94 (-12.27%) | $9.40 | $7.82 | 1.14 M | $200.49 M |
| 10/09/2025 | $8.59 | $8.95 (4.19%) | $9.29 | $8.59 | 371.40 K | $225.99 M |
| 10/08/2025 | $9.20 | $8.91 (-3.15%) | $9.44 | $8.80 | 494.21 K | $224.98 M |
| 10/07/2025 | $9.95 | $9.18 (-7.74%) | $9.95 | $8.93 | 818.30 K | $231.80 M |
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