
Tecogen fell 77.9% from $7.68 to $1.70, behind the S&P 500's +9.8%. Its worst day was Mar 18 (−29.6%), and its low came Nov 5 at $1.53.
Nov 11, 2025 – Nov 11, 2026 · picked from earnings, analyst actions, headlines and the biggest daily moves
EPS of $-0.07 missed the $-0.05 estimate on $7.2M revenue (est. $6.7M).
−6.0% · S&P 500 −1.7%
Tecogen shares fell 20.4%, while the S&P 500 rose 0.6%.
Story events cover the past 12 months · Times ET
−20.4%, on 4M shares, the year's heaviest volume · S&P 500 +0.6%
EPS of $-0.09 beat the $-0.10 estimate on $5.3M revenue (est. $4.7M).
−29.6%, the year's worst day · S&P 500 −1.4%
Tecogen shares rose 27.4%, while the S&P 500 rose 1.0%.
+27.4%, the year's best day · S&P 500 +1.0%
Tecogen shares rose 18.3%, while the S&P 500 rose 1.0%.
+18.3% · S&P 500 +1.0%
EPS of $-0.07 beat the $-0.10 estimate on $6.3M revenue (est. $5.0M).
+19.9% · S&P 500 +0.6%
Tecogen shares fell 16.8%, while the S&P 500 fell 2.6%.
−16.8% · S&P 500 −2.6%
EPS of $-0.07 beat the $-0.08 estimate on $5.7M revenue (est. $5.9M).
+4.5% · S&P 500 +0.7%
Tecogen closed at its lowest level of the year, 80.1% below where the year started.
−10.5% · S&P 500 −4.4%
Where it ended: a close of $1.70 on Nov 11, 2026. Up next: Q3 2026 earnings on Nov 11, 2026 (EPS est. $-0.08, revenue est. $6.4M).
Nothing in the past 12 months.
All TGEN analyst actionsNothing in the past 12 months.
All TGEN dividend historyReplay the year: the line draws itself and stops at each of the 9 moments with what happened and how the stock reacted.
Chart by ChartIQ. Events, ratings, quote and fundamentals from Benzinga APIs. Daily bars for TGEN and SPY from Benzinga historical bars. Not investment advice.