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Tecogen Inc Stock (TGEN) Price History
The historical daily chart and data for Tecogen Inc stock (TGEN), show that the latest closing stock price as of October 02, 2026, is $2.65.
- Tecogen Inc all-time high stock price is $12.07, occurred on October 15, 2025.
- The lowest Tecogen Inc stock price recorded was $1.94 on March 18, 2026. Since then, Tecogen Inc's stock price has risen over 36.60% to $2.65 now.
- The 52-week high stock price for TGEN is $12.07, representing a 355.47% increase from the current share price, occurred on October 15, 2025.
- The 52-week low stock price for TGEN is $1.94, indicating a -26.79% decrease from the current share price, occurred on March 18, 2026.
The table below shows more information about TGEN historical price data:
Daily
Weekly
Monthly
7D
30D
60D
YTD
1Y
| Date | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Oct 02, 2026 | $2.78 | $2.63 | $0.15 | 91,400.0 | +0.00% |
| Oct 01, 2026 | $2.91 | $2.62 | $0.285 | 182,852.0 | -6.69% |
| Sep 30, 2026 | $3.10 | $2.73 | $0.37 | 375,536.0 | -3.73% |
| Sep 29, 2026 | $3.31 | $2.95 | $0.355 | 286,050.0 | -6.65% |
| Sep 28, 2026 | $3.24 | $2.98 | $0.2614 | 124,063.0 | +3.61% |
| Sep 25, 2026 | $3.20 | $2.95 | $0.25 | 64,338.0 | +0.99% |
| Sep 24, 2026 | $3.28 | $3.02 | $0.26 | 93,767.0 | -4.13% |
| Sep 23, 2026 | $3.33 | $3.10 | $0.23 | 99,835.0 | -5.12% |
| Sep 22, 2026 | $3.38 | $3.19 | $0.1899 | 129,354.0 | +0.30% |
| Sep 21, 2026 | $3.33 | $3.10 | $0.2252 | 198,647.0 | +6.09% |
| Sep 18, 2026 | $3.18 | $3.01 | $0.17 | 82,396.0 | +0.32% |
| Sep 17, 2026 | $3.15 | $2.99 | $0.158 | 120,097.0 | +5.78% |
| Sep 16, 2026 | $3.05 | $2.88 | $0.165 | 62,469.0 | -1.01% |
| Sep 15, 2026 | $3.03 | $2.92 | $0.1076 | 75,938.0 | -1.33% |
| Sep 14, 2026 | $3.05 | $2.91 | $0.14 | 99,105.0 | -1.31% |
| Sep 11, 2026 | $3.17 | $3.01 | $0.165 | 85,804.0 | +0.66% |
| Sep 10, 2026 | $3.15 | $3.01 | $0.1437 | 84,826.0 | -1.94% |
| Sep 09, 2026 | $3.22 | $3.08 | $0.14 | 109,531.0 | -4.33% |
| Sep 08, 2026 | $3.35 | $3.10 | $0.25 | 229,463.0 | +3.19% |
| Sep 04, 2026 | $3.19 | $3.01 | $0.18 | 157,458.0 | +2.62% |
| Sep 03, 2026 | $3.06 | $2.92 | $0.14 | 152,107.0 | +3.39% |
Tecogen Inc Stock (TGEN) Year by Year Price History
In this detailed analysis, we present a comprehensive overview of the price movements of Tecogen Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of TGEN shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Tecogen Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.
Tecogen Inc Stock (TGEN) Price History 2026
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Oct, 2026 | $2.91 | $2.62 | $0.285 | 365,652.0 | -6.69% |
| Sep, 2026 | $3.38 | $2.73 | $0.6499 | 3,149,039.0 | -7.19% |
| Aug, 2026 | $4.43 | $2.98 | $1.44 | 3,977,292.0 | -8.11% |
| Jul, 2026 | $5.45 | $2.91 | $2.54 | 5,894,698.0 | -36.21% |
| Jun, 2026 | $7.43 | $4.95 | $2.48 | 6,276,422.0 | -15.94% |
| May, 2026 | $7.18 | $3.65 | $3.53 | 12,633,268.0 | +29.92% |
| Apr, 2026 | $5.07 | $2.47 | $2.60 | 11,686,965.0 | +86.72% |
| Mar, 2026 | $3.59 | $1.94 | $1.65 | 10,161,369.0 | -26.22% |
| Feb, 2026 | $4.21 | $3.37 | $0.845 | 4,946,301.0 | -7.22% |
| Jan, 2026 | $5.79 | $3.71 | $2.08 | 14,447,532.0 | -24.29% |
Tecogen Inc Stock (TGEN) Price History 2025
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2025 | $7.51 | $4.62 | $2.89 | 13,154,768.0 | -34.05% |
| Nov, 2025 | $10.47 | $5.97 | $4.50 | 11,873,708.0 | -25.25% |
| Oct, 2025 | $12.07 | $7.82 | $4.25 | 21,523,925.0 | +13.28% |
| Sep, 2025 | $10.25 | $6.33 | $3.92 | 15,523,972.0 | +15.31% |
| Aug, 2025 | $11.55 | $7.20 | $4.35 | 18,847,169.0 | -21.07% |
| Jul, 2025 | $10.04 | $5.63 | $4.41 | 21,962,065.0 | +42.35% |
| Jun, 2025 | $7.85 | $4.52 | $3.33 | 9,609,568.0 | +43.46% |
| May, 2025 | $5.61 | $3.02 | $2.59 | 8,307,703.0 | +0.00% |
3.54%
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Volume (24h):