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8.92
12.34%
0.98
After Hours:
9.01
0.09
+1.01%
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 13, 2025, is $8.92.
- Tecogen Inc all-time high stock price is $11.55, occurred on August 13, 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 195.36% to $8.92 now.
- The 52-week high stock price for TGEN is $11.55, representing a 29.48% increase from the current share price, occurred on August 13, 2025.
- The 52-week low stock price for TGEN is $3.02, indicating a -66.14% 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 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% |
| Sep 29, 2025 | $8.60 | $7.98 | $0.62 | 728,039.0 | +4.59% |
| Sep 26, 2025 | $8.25 | $7.64 | $0.6091 | 579,233.0 | -3.92% |
| Sep 25, 2025 | $8.48 | $7.65 | $0.83 | 660,929.0 | -4.44% |
| Sep 24, 2025 | $9.09 | $8.22 | $0.8623 | 497,605.0 | -1.95% |
| Sep 23, 2025 | $10.25 | $8.60 | $1.65 | 1,285,438.0 | -3.75% |
| Sep 22, 2025 | $9.59 | $8.00 | $1.59 | 1,182,916.0 | +3.54% |
| Sep 19, 2025 | $8.95 | $7.44 | $1.51 | 1,665,047.0 | +20.03% |
| Sep 18, 2025 | $7.64 | $7.17 | $0.47 | 556,634.0 | +2.53% |
| Sep 17, 2025 | $7.41 | $6.90 | $0.51 | 431,775.0 | +1.43% |
| Sep 16, 2025 | $7.60 | $6.92 | $0.68 | 533,680.0 | -4.63% |
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 | $10.17 | $7.82 | $2.35 | 7,688,943.0 | +1.25% |
| 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% |
4.96%
Cap:
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Volume (24h):