Go Pro
→ Ticker Revealed: Pre-IPO Access to 'Next Elon Musk' Company (From Banyan Hill Publishing) (Ad)tc pixel Free TGEN Stock Alerts

Tecogen (TGEN) Stock Chart & Stock Price History

Tecogen logo
$3.05 +0.03 (+0.99%)
Closing price 04:10 PM Eastern
Extended Trading
$3.06 +0.01 (+0.33%)
As of 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
Compare

Tecogen Stock Price Performance

The Tecogen (TGEN) stock chart highlights key performance trends across multiple timeframes. In the past month, the stock has decreased 4.09%, reflecting recent market activity.

As of the latest close, Tecogen traded at $3.05 with a market cap of $92.08 million and volume of 64,383 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.

Subscribe Now
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
-2.24%
1 Month
Performance
-4.09%
3 Month
Performance
-41.35%

TGEN Stock Chart for Friday, September, 25, 2026

TGEN Chart by TradingView

Tecogen Stock Price History

Export
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
09/25/2026$3.02$3.05
+0.99%		$3.20$2.9564,383 shs$92.08 million
09/24/2026$3.15$3.02
-4.13%		$3.28$3.0293,767 shs$91.17 million
09/23/2026$3.32$3.15
-5.12%		$3.33$3.1099,836 shs$95.10 million
09/22/2026$3.31$3.32
+0.30%		$3.38$3.19129,355 shs$100.23 million
09/21/2026$3.12$3.31
+6.09%		$3.33$3.10198,647 shs$99.93 million
09/18/2026$3.11$3.12
+0.32%		$3.18$3.0182,397 shs$94.19 million
09/17/2026$2.94$3.11
+5.78%		$3.15$2.99120,170 shs$93.89 million
09/16/2026$2.97$2.94
-1.01%		$3.05$2.8962,469 shs$88.76 million
09/15/2026$3.01$2.97
-1.33%		$3.03$2.9275,939 shs$89.66 million
09/14/2026$3.05$3.01
-1.31%		$3.05$2.9199,105 shs$90.87 million
09/11/2026$3.03$3.05
+0.66%		$3.18$3.0185,804 shs$92.08 million
09/10/2026$3.09$3.03
-1.94%		$3.15$3.0184,826 shs$91.48 million
09/09/2026$3.23$3.09
-4.33%		$3.22$3.08109,547 shs$93.29 million
09/08/2026$3.13$3.23
+3.19%		$3.35$3.10229,464 shs$97.51 million
09/07/2026$3.13$3.13$3.19$3.01157,931 shs$94.50 million
09/04/2026$3.05$3.13
+2.62%		$3.19$3.01157,931 shs$94.50 million
09/03/2026$2.95$3.05
+3.39%		$3.06$2.92152,107 shs$92.08 million
09/02/2026$3.01$2.95
-1.99%		$3.03$2.9186,190 shs$89.06 million
09/01/2026$3.06$3.01
-1.63%		$3.04$2.75432,086 shs$90.87 million
08/31/2026$3.11$3.06
-1.61%		$3.23$3.00173,152 shs$92.38 million
08/28/2026$3.17$3.11
-1.89%		$3.18$3.05113,597 shs$93.89 million
08/27/2026$3.13$3.17
+1.28%		$3.24$3.11264,699 shs$95.70 million
08/26/2026$3.18$3.13
-1.57%		$3.29$3.09100,096 shs$94.50 million
08/25/2026$3.11$3.18
+2.25%		$3.21$3.05182,373 shs$96.00 million
08/24/2026$3.42$3.11
-9.06%		$3.40$2.99321,679 shs$93.89 million
Related Companies

This page (NYSEAMERICAN:TGEN) was last updated on 9/25/2026 by MarketBeat.com Staff.
From Our Partners
ALERT: Drop these 5 stocks before the market opens tomorrow!
The Wall Street Journal is already raising the alarm about a potential market crash, and Weiss Ratings researc...
Weiss Ratings | Sponsoredtc pixel
Small Colorado Company (Backed by Sam Altman) Could Save U.S. Power Grid
A small Colorado company has secured rights to technology that could prevent the U.S. public power grid from c...
Altimetry | Sponsoredtc pixel
Louis Navellier: My #1 AI stock for 2026 (name & ticker inside)
Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top...
InvestorPlace | Sponsoredtc pixel
Ready to give options a try? Your first trade (Ticker included) -INSIDE
Tired of trying tactic after tactic when it comes to options trades... only to be met with market noise and st...
Base Camp Trading | Sponsoredtc pixel
Here’s the stock symbol I’ve promised
Whitney Tilson of Stansberry Research has long recommended Berkshire Hathaway as a core retirement holding - b...
Stansberry Research | Sponsoredtc pixel
Here’s Why Trump Won’t End The Iran War
Trump has called an Iran deal close 38 times since the war began, yet the fighting keeps flaring back up. O...
Banyan Hill Publishing | Sponsoredtc pixel
These gold assets are priced for $1,800 gold [it's over $4,000]
Gold's major miners are generating record free cash flow, with margins as high as 75 percent even after gold's...
Golden Portfolio | Sponsoredtc pixel
100% overnight gains?
Rumors are circulating that Elon Musk is preparing to acquire three publicly traded companies. Dr. Mark Sko...
The Oxford Club | Sponsoredtc pixel