8.27
price down icon4.50%   -0.39
pre-market  Pre-market:  8.30   0.03   +0.36%
loading

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:
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%
$15.33
price down icon 0.65%
$15.01
price down icon 2.41%
electrical_equipment_parts ENS
$121.80
price up icon 0.76%
$384.26
price up icon 2.70%
$204.62
price down icon 0.24%
electrical_equipment_parts AYI
$363.00
price down icon 2.01%
Cap:     |  Volume (24h):