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Tecogen (TGEN) Stock Chart & Stock Price History

Tecogen logo
$6.29 -0.23 (-3.53%)
As of 02:23 PM Eastern
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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 increased 44.60%, with a year-to-date return of 27.33%. In the past month, the stock has increased 46.28%, reflecting recent market activity.

As of the latest close, Tecogen traded at $6.52 with a market cap of $194.98 million and volume of 1.11 million shares. Five years ago, the stock traded at $1.60, representing a 293.13% increase over that period. At the time, it had a market cap of $39.76 million and a volume of 1,400 shares.

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5 Day
Performance
+24.06%
1 Month
Performance
+46.28%
3 Month
Performance
+78.69%
Year-To-Date
Performance
+27.33%
1 Year
Performance
+44.60%
5 Year
Performance
+293.13%

TGEN Stock Chart for Monday, May, 18, 2026

TGEN Chart by TradingView

Tecogen Stock Price History

Export
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
05/15/2026$6.22$6.52
+4.82%		$6.64$5.551.11 million shs$194.98 million
05/14/2026$5.07$6.22
+22.68%		$6.32$5.041.79 million shs$186.01 million
05/13/2026$4.23$5.07
+19.86%		$5.19$3.851.93 million shs$151.62 million
05/12/2026$4.37$4.23
-3.20%		$4.32$4.06425,954 shs$126.50 million
05/11/2026$4.63$4.37
-5.62%		$4.59$3.65583,170 shs$130.69 million
05/08/2026$4.82$4.63
-3.94%		$4.89$4.52462,087 shs$138.46 million
05/07/2026$5.35$4.82
-9.91%		$5.29$4.71362,934 shs$144.14 million
05/06/2026$4.94$5.35
+8.30%		$5.52$4.91417,881 shs$159.99 million
05/05/2026N/A$4.94$5.00$4.60269,825 shs$147.73 million
04/30/2026$4.04$4.78
+18.32%		$5.07$3.961.16 million shs$142.95 million
04/29/2026$4.20$4.04
-3.81%		$4.25$3.96209,307 shs$120.82 million
04/28/2026$4.24$4.20
-0.94%		$4.21$3.80289,108 shs$125.60 million
04/27/2026$4.29$4.24
-1.17%		$4.39$4.10141,367 shs$126.80 million
04/24/2026$4.17$4.29
+2.88%		$4.40$4.02179,761 shs$128.08 million
04/23/2026$4.32$4.17
-3.47%		$4.42$3.93363,700 shs$124.50 million
04/22/2026$4.45$4.32
-2.92%		$4.72$4.12516,113 shs$128.97 million
04/21/2026$4.87$4.45
-8.62%		$4.94$4.36548,790 shs$132.86 million
04/20/2026$4.30$4.87
+13.26%		$5.00$4.121.40 million shs$145.39 million
04/17/2026$3.87$4.30
+11.11%		$4.47$3.861.20 million shs$128.38 million
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This page (OTCMKTS:TGEN) was last updated on 5/18/2026 by MarketBeat.com Staff.
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