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8.27
4.50%
-0.39
Pre-market:
8.30
0.03
+0.36%
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 28, 2025, is $8.27.
- 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 173.84% to $8.27 now.
- The 52-week high stock price for TGEN is $12.07, representing a 45.95% increase from the current share price, occurred on October 15, 2025.
- The 52-week low stock price for TGEN is $3.02, indicating a -63.48% 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 |
|---|---|---|---|---|---|
| Oct 28, 2025 | $8.74 | $8.22 | $0.52 | 300,047.0 | -4.50% |
| Oct 27, 2025 | $9.18 | $8.53 | $0.655 | 339,346.0 | -0.92% |
| Oct 24, 2025 | $9.08 | $8.61 | $0.47 | 442,640.0 | +3.31% |
| Oct 23, 2025 | $8.82 | $8.32 | $0.5023 | 362,835.0 | +0.48% |
| Oct 22, 2025 | $9.00 | $8.09 | $0.91 | 843,828.0 | -5.29% |
| Oct 21, 2025 | $9.25 | $8.42 | $0.83 | 615,736.0 | -0.78% |
| Oct 20, 2025 | $10.15 | $8.79 | $1.36 | 728,044.0 | -4.58% |
| Oct 17, 2025 | $10.47 | $8.29 | $2.18 | 2,053,253.0 | -9.36% |
| Oct 16, 2025 | $11.90 | $10.35 | $1.55 | 1,347,094.0 | -14.17% |
| Oct 15, 2025 | $12.07 | $9.90 | $2.17 | 2,800,684.0 | +26.65% |
| Oct 14, 2025 | $10.20 | $8.09 | $2.11 | 1,363,301.0 | +6.84% |
| Oct 13, 2025 | $9.20 | $8.18 | $1.02 | 941,015.0 | +12.34% |
| Oct 10, 2025 | $9.40 | $7.82 | $1.58 | 1,119,725.0 | -11.28% |
| Oct 09, 2025 | $9.29 | $8.59 | $0.70 | 369,296.0 | +0.45% |
| Oct 08, 2025 | $9.44 | $8.80 | $0.64 | 493,624.0 | -2.94% |
| Oct 07, 2025 | $9.95 | $8.93 | $1.02 | 816,373.0 | -6.33% |
| Oct 06, 2025 | $10.17 | $9.04 | $1.13 | 922,505.0 | +6.29% |
| Oct 03, 2025 | $9.83 | $9.07 | $0.76 | 819,010.0 | +1.32% |
| Oct 02, 2025 | $9.38 | $8.51 | $0.8699 | 809,706.0 | +8.33% |
| Oct 01, 2025 | $8.93 | $8.27 | $0.655 | 456,674.0 | -4.65% |
| Sep 30, 2025 | $8.95 | $8.16 | $0.79 | 615,380.0 | +7.31% |
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 2025
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Oct, 2025 | $12.07 | $7.82 | $4.25 | 18,244,783.0 | -6.13% |
| 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% |
0.65%
0.76%
Cap:
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Volume (24h):