Go Pro

Tecogen (TGEN) Stock Chart & Stock Price History

Tecogen logo
$3.54 -0.05 (-1.39%)
As of 07/22/2026 04:10 PM Eastern

Tecogen Stock Price Performance

The Tecogen (TGEN) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 57.81%, with a year-to-date return of -28.34%. In the past month, the stock has decreased 38.11%, reflecting recent market activity.

As of the latest close, Tecogen traded at $3.54 with a market cap of $105.91 million and volume of 226,589 shares. Five years ago, the stock traded at $2.00, representing a 77.00% increase over that period. At the time, it had a market cap of $49.70 million and a volume of 2,273 shares.

Receive TGEN Stock News and Ratings via Email

Sign-up to receive the latest news and ratings for Tecogen and its competitors with MarketBeat's FREE daily newsletter.

SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
5 Day
Performance
-0.28%
1 Month
Performance
-38.11%
3 Month
Performance
-15.11%
Year-To-Date
Performance
-28.34%
1 Year
Performance
-57.81%
5 Year
Performance
+77.00%

TGEN Stock Chart for Thursday, July, 23, 2026

Tecogen Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
07/22/2026$3.59$3.54
-1.39%
$3.74$3.48226,589 shs$105.91 million
07/21/2026$3.45$3.59
+4.06%
$3.59$3.32323,295 shs$107.41 million
07/20/2026$3.55$3.45
-2.82%
$3.70$3.41143,523 shs$103.22 million
07/17/2026$3.73$3.55
-4.83%
$3.68$3.49373,250 shs$106.21 million
07/16/2026$3.95$3.73
-5.57%
$4.07$3.63246,953 shs$111.59 million
07/15/2026$4.01$3.95
-1.50%
$4.22$3.86189,376 shs$118.18 million
07/14/2026$3.98$4.01
+0.75%
$4.16$3.97207,522 shs$119.97 million
07/13/2026$4.12$3.98
-3.40%
$4.10$3.92172,476 shs$119.07 million
07/10/2026$4.47$4.12
-7.83%
$4.47$4.1184,124 shs$123.26 million
07/09/2026$4.07$4.47
+9.83%
$4.51$4.01297,733 shs$133.73 million
07/08/2026$4.00$4.07
+1.75%
$4.10$3.86214,129 shs$121.77 million
07/07/2026$4.36$4.00
-8.26%
$4.45$3.95318,745 shs$119.67 million
07/06/2026$4.52$4.36
-3.54%
$4.73$4.27366,783 shs$130.44 million
07/03/2026$4.52$4.52$5.14$4.36451,259 shs$135.23 million
07/02/2026$4.93$4.52
-8.32%
$5.14$4.36451,259 shs$135.23 million
07/01/2026$5.22$4.93
-5.56%
$5.45$4.87199,186 shs$147.50 million
06/30/2026$5.23$5.22
-0.19%
$5.49$5.06137,698 shs$156.17 million
06/29/2026$5.17$5.23
+1.16%
$5.42$4.98151,653 shs$156.47 million
06/26/2026$5.20$5.17
-0.58%
$5.34$4.95240,920 shs$154.68 million
06/25/2026$5.38$5.20
-3.35%
$5.76$5.09339,187 shs$155.57 million
06/24/2026$5.72$5.38
-5.94%
$5.95$5.30259,054 shs$160.96 million
06/23/2026$6.05$5.72
-5.45%
$6.27$5.62265,651 shs$171.13 million
06/22/2026$6.03$6.05
+0.33%
$6.35$6.00187,868 shs$181.00 million

This page (OTCMKTS:TGEN) was last updated on 7/23/2026 by MarketBeat.com Staff.
From Our Partners