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4.66
7.50%
-0.37
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 January 09, 2026, is $4.66.
- Tecogen Inc all-time high stock price is $12.07, occurred on October 15, 2025.
- The lowest Tecogen Inc stock price recorded was $3.02 on May 08, 2025. Since then, Tecogen Inc's stock price has risen over 54.30% to $4.66 now.
- The 52-week high stock price for TGEN is $12.07, representing a 159.01% increase from the current share price, occurred on October 15, 2025.
- The 52-week low stock price for TGEN is $3.02, indicating a -35.19% decrease from the current share price, occurred on May 08, 2025.
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 |
|---|---|---|---|---|---|
| Jan 09, 2026 | $5.10 | $4.62 | $0.4799 | 471,263.0 | -7.36% |
| Jan 08, 2026 | $5.15 | $4.39 | $0.76 | 1,203,008.0 | +13.29% |
| Jan 07, 2026 | $4.84 | $4.27 | $0.57 | 1,441,177.0 | +0.68% |
| Jan 06, 2026 | $5.72 | $4.22 | $1.50 | 4,078,960.0 | -20.40% |
| Jan 05, 2026 | $5.79 | $5.20 | $0.59 | 614,375.0 | +3.75% |
| Jan 02, 2026 | $5.39 | $4.96 | $0.435 | 467,937.0 | +8.10% |
| Dec 31, 2025 | $5.07 | $4.88 | $0.185 | 420,755.0 | +0.41% |
| Dec 30, 2025 | $5.12 | $4.90 | $0.22 | 574,179.0 | -3.34% |
| Dec 29, 2025 | $5.20 | $5.00 | $0.20 | 375,028.0 | -1.74% |
| Dec 26, 2025 | $5.34 | $5.06 | $0.28 | 420,082.0 | -2.81% |
| Dec 24, 2025 | $5.35 | $5.13 | $0.22 | 222,046.0 | +1.91% |
| Dec 23, 2025 | $5.28 | $5.02 | $0.2629 | 363,355.0 | +2.35% |
| Dec 22, 2025 | $5.33 | $4.96 | $0.37 | 636,546.0 | +1.39% |
| Dec 19, 2025 | $5.50 | $4.62 | $0.8799 | 2,081,302.0 | +7.23% |
| Dec 18, 2025 | $5.27 | $4.67 | $0.595 | 1,401,352.0 | -1.67% |
| Dec 17, 2025 | $5.39 | $4.64 | $0.75 | 1,780,403.0 | -10.49% |
| Dec 16, 2025 | $5.91 | $5.25 | $0.66 | 697,833.0 | -8.56% |
| Dec 15, 2025 | $6.30 | $5.81 | $0.49 | 442,691.0 | -3.15% |
| Dec 12, 2025 | $6.70 | $5.88 | $0.82 | 533,531.0 | -6.80% |
| Dec 11, 2025 | $6.54 | $6.08 | $0.457 | 479,008.0 | -1.37% |
| Dec 10, 2025 | $6.75 | $6.42 | $0.325 | 299,633.0 | -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 |
|---|---|---|---|---|---|
| Jan, 2026 | $5.79 | $4.22 | $1.57 | 8,276,720.0 | -5.67% |
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% |
0.59%
1.68%
Cap:
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Volume (24h):