Tecogen Inc. (TGEN)
NYSEAMERICAN: TGEN · Real-Time Price · USD
9.17
+0.90 (10.88%)
Oct 29, 2025, 1:38 PM EDT - Market open

Tecogen Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 29, 20258.319.028.288.98-8.59%405,214
Oct 28, 20258.658.748.228.278.27-4.50%301,328
Oct 27, 20259.009.188.538.668.66-0.92%340,184
Oct 24, 20258.759.088.618.748.743.31%447,150
Oct 23, 20258.688.828.328.468.460.48%368,246
Oct 22, 20258.889.008.098.428.42-5.29%843,948
Oct 21, 20258.809.258.428.898.89-0.78%618,622
Oct 20, 202510.0010.158.798.968.96-4.58%731,238
Oct 17, 202510.0010.478.299.399.39-9.36%2,056,664
Oct 16, 202511.9011.9010.3510.3610.36-14.17%1,349,778
Oct 15, 202510.2012.079.9012.0712.0726.65%2,810,288
Oct 14, 20258.7510.208.099.539.536.84%1,366,476
Oct 13, 20258.389.208.188.928.9212.34%940,938
Oct 10, 20259.059.407.827.947.94-11.28%1,140,905
Oct 9, 20258.599.298.598.958.950.45%371,400
Oct 8, 20259.209.448.808.918.91-2.94%494,206
Oct 7, 20259.959.958.939.189.18-6.33%818,252
Oct 6, 20259.0410.179.049.809.806.29%924,845
Oct 3, 20259.129.839.079.229.221.32%819,444
Oct 2, 20258.519.388.519.109.108.33%814,342
Oct 1, 20258.788.938.278.408.40-4.65%457,693
Sep 30, 20258.238.958.168.818.817.31%616,147
Sep 29, 20257.988.607.988.218.214.59%728,100
Sep 26, 20258.178.257.647.857.85-3.92%580,002
Sep 25, 20258.008.487.658.178.17-4.44%661,385
Sep 24, 20258.979.098.238.558.55-1.95%503,227
Sep 23, 20259.5010.258.608.728.72-3.75%1,288,085
Sep 22, 20258.779.598.009.069.063.54%1,186,266
Sep 19, 20257.538.957.448.758.7520.03%1,668,120
Sep 18, 20257.327.647.177.297.292.53%556,664
Sep 17, 20256.907.416.907.117.111.43%432,305
Sep 16, 20257.447.606.927.017.01-4.63%541,307
Sep 15, 20257.007.397.007.357.357.30%495,331
Sep 12, 20257.017.196.856.856.85-3.39%358,973
Sep 11, 20257.237.256.917.097.09-1.12%459,637
Sep 10, 20256.857.386.857.177.178.14%704,348
Sep 9, 20256.977.206.616.636.630.30%1,105,093
Sep 8, 20257.067.126.336.616.61-6.11%1,233,310
Sep 5, 20256.977.266.647.047.040.43%561,966
Sep 4, 20257.037.206.787.017.01-0.14%566,159
Sep 3, 20257.507.836.947.027.02-5.14%825,729
Sep 2, 20257.547.627.267.407.40-3.14%522,969
Aug 29, 20257.677.937.207.647.64-1.16%520,569
Aug 28, 20257.938.357.617.737.73-2.03%496,630
Aug 27, 20258.358.427.797.897.89-5.28%495,222
Aug 26, 20258.728.938.018.338.33-3.48%554,219
Aug 25, 20259.019.218.598.638.63-5.06%579,969
Aug 22, 20258.579.238.349.099.097.07%585,800
Aug 21, 20258.198.778.038.498.493.66%327,686
Aug 20, 20258.358.457.608.198.19-4.32%1,097,740