Tecogen Inc. (TGEN)
AMEX: TGEN
· Real-Time Price · USD
8.61
-0.32 (-3.58%)
At close: Aug 15, 2025, 11:40 AM
Tecogen Short Interest
Tecogen has a total short interest of 985.91K. Its short interest has increased by 29.62% to the previous Month.
Short Interest
985.91K
Short Prior Month
760.63K
% Change MoM
29.62%
Short % Floating
4.69%
Short % Outstanding
3.34%
Days to Cover
1
Short Interest Chart
Short Interest History
| Date | Short Interest | Short Prior Month | % Change | Day to Cover | Short % Float | Short % Out |
|---|---|---|---|---|---|---|
| Aug 11, 2025 | 985.91K | 760.63K | 29.62% | 1 | 4.69% | 3.34% |
| Jul 24, 2025 | 760.63K | 692.96K | 9.77% | 1.28 | 3.62% | 2.57% |
| Jul 10, 2025 | 692.96K | 139.92K | 395.26% | 1.18 | 4.14% | 2.74% |
| Jun 25, 2025 | 139.92K | 70.14K | 99.48% | 1 | 0.84% | 0.55% |
| Jun 10, 2025 | 70.14K | 17.47K | 301.52% | 1 | 0.42% | 0.28% |
| May 27, 2025 | 17.47K | 21.96K | -20.47% | 1 | 0.1% | 0.07% |
| May 09, 2025 | 21.96K | 2K | 996.56% | 1 | 0.14% | 0.09% |
| Apr 25, 2025 | 2K | 2.14K | -6.23% | 1 | 0.01% | 0.01% |
| Apr 09, 2025 | 2.14K | 1.61K | 32.67% | 1 | 0.01% | 0.01% |
| Mar 25, 2025 | 1.61K | 6.77K | -76.22% | 1 | 0.01% | 0.01% |
| Mar 11, 2025 | 6.77K | 29.16K | -76.79% | 1 | 0.04% | 0.03% |
| Feb 26, 2025 | 29.16K | 2.51K | 1060.1% | 1 | 0.18% | 0.12% |
| Feb 11, 2025 | 2.51K | 8.46K | -70.28% | 1 | 0.02% | 0.01% |
| Jan 27, 2025 | 8.46K | 1.29K | 556.32% | 1 | 0.05% | 0.03% |
| Jan 10, 2025 | 1.29K | 11.72K | -89% | 1 | 0.01% | 0.01% |
| Dec 24, 2024 | 11.72K | 6.16K | 90.16% | 1 | 0.07% | 0.05% |
| Dec 10, 2024 | 6.16K | 6.37K | -3.25% | 1 | 0.04% | 0.02% |
| Nov 26, 2024 | 6.37K | 971 | 555.82% | 1 | 0.04% | 0.03% |
| Nov 11, 2024 | 971 | 3.39K | -71.35% | 1 | 0.01% | n/a |
| Oct 24, 2024 | 3.39K | 588 | 476.36% | 1 | 0.02% | 0.01% |
| Oct 09, 2024 | 588 | 3 | 19500% | 1 | n/a | n/a |
| Sep 24, 2024 | 3 | 3 | n/a | 1 | n/a | n/a |
| Sep 11, 2024 | 3 | 3 | n/a | 1 | n/a | n/a |
| Aug 09, 2024 | 3 | 3 | n/a | 1 | n/a | n/a |
| Jul 24, 2024 | 3 | 3 | n/a | 1 | n/a | n/a |
| Jul 10, 2024 | 3 | 3 | n/a | 1 | n/a | n/a |
| Jun 26, 2024 | 3 | 1.02K | -99.71% | 1 | n/a | n/a |
| Jun 11, 2024 | 1.02K | 3 | 33833.33% | 1 | 0.01% | n/a |
| May 24, 2024 | 3 | 6.95K | -99.96% | 1 | n/a | n/a |
| May 09, 2024 | 6.95K | 3 | 231633.33% | 1 | 0.04% | 0.03% |
| Apr 24, 2024 | 3 | 3 | n/a | 1 | n/a | n/a |
| Apr 09, 2024 | 3 | 17 | -82.35% | 1 | n/a | n/a |
| Mar 26, 2024 | 17 | 1.85K | -99.08% | 1 | n/a | n/a |
| Mar 11, 2024 | 1.85K | 166 | 1013.86% | 1 | 0.01% | 0.01% |
| Feb 09, 2024 | 3.01K | 3 | 100133.33% | 1 | 0.02% | 0.01% |
| Jan 24, 2024 | 3 | 3 | n/a | 1 | n/a | n/a |
| Jan 10, 2024 | 3 | 3 | n/a | 1 | n/a | n/a |
| Dec 27, 2023 | 3 | 707 | -99.58% | 1 | n/a | n/a |
| Dec 11, 2023 | 707 | 854 | -17.21% | 1 | n/a | n/a |
| Nov 27, 2023 | 854 | 1.15K | -26% | 1 | n/a | n/a |
| Nov 09, 2023 | 1.15K | 343 | 236.44% | 1 | 0.01% | n/a |
| Oct 24, 2023 | 343 | 143 | 139.86% | 1 | n/a | n/a |
| Oct 10, 2023 | 143 | 43 | 232.56% | 1 | n/a | n/a |
| Sep 26, 2023 | 43 | 43 | n/a | 1 | n/a | n/a |
| Sep 12, 2023 | 43 | 242 | -82.23% | 1 | n/a | n/a |
| Aug 24, 2023 | 242 | 103 | 134.95% | 1 | n/a | n/a |
| Aug 09, 2023 | 103 | 1.05K | -90.2% | 1 | n/a | n/a |
| Jul 25, 2023 | 1.05K | 2.38K | -55.82% | 1 | 0.01% | n/a |
| Jul 12, 2023 | 2.38K | 38 | 6160.53% | 1 | 0.01% | 0.01% |
| Jun 27, 2023 | 38 | 766 | -95.04% | 1 | n/a | n/a |
| Jun 09, 2023 | 766 | 13 | 5792.31% | 1 | n/a | n/a |
| May 24, 2023 | 13 | 1.3K | -99% | 1 | n/a | n/a |
| May 09, 2023 | 1.3K | 1.94K | -32.61% | 1 | 0.01% | 0.01% |
| Apr 25, 2023 | 1.94K | 2.11K | -8.34% | 1 | 0.01% | 0.01% |
| Apr 12, 2023 | 2.11K | 99 | 2032.32% | 1 | 0.01% | 0.01% |
| Mar 24, 2023 | 99 | 99 | n/a | 1 | n/a | n/a |
| Mar 09, 2023 | 99 | 49 | 102.04% | 1 | n/a | n/a |
| Feb 27, 2023 | 49 | 2.46K | -98.01% | 1 | n/a | n/a |
| Feb 09, 2023 | 2.46K | 136 | 1707.35% | 1 | 0.02% | 0.01% |
| Jan 25, 2023 | 136 | 980 | -86.12% | 1 | n/a | n/a |
| Jan 11, 2023 | 980 | 90 | 988.89% | 1 | 0.01% | n/a |
| Dec 27, 2022 | 90 | 7.47K | -98.79% | 1 | n/a | n/a |
| Dec 09, 2022 | 7.47K | 1.21K | 515.58% | 1.14 | 0.05% | 0.03% |
| Nov 25, 2022 | 1.21K | 903 | 34.33% | 1 | 0.01% | n/a |
| Nov 09, 2022 | 903 | 203 | 344.83% | 1 | 0.01% | n/a |
| Oct 25, 2022 | 203 | 503 | -59.64% | 1 | n/a | n/a |
| Oct 11, 2022 | 503 | 219 | 129.68% | 1 | n/a | n/a |
| Sep 26, 2022 | 219 | 311 | -29.58% | 1 | n/a | n/a |
| Sep 12, 2022 | 311 | 6.24K | -95.01% | 1 | n/a | n/a |
| Aug 24, 2022 | 6.24K | 6.26K | -0.43% | 1 | 0.04% | 0.03% |
| Aug 09, 2022 | 6.26K | 5.55K | 12.91% | 1 | 0.04% | 0.03% |
| Jul 26, 2022 | 5.55K | 1.65K | 236.39% | 1.02 | 0.04% | 0.02% |
| Jul 12, 2022 | 1.65K | 570 | 189.3% | 1 | 0.01% | 0.01% |
| Jun 27, 2022 | 570 | 300 | 90% | 1 | n/a | n/a |
| Jun 09, 2022 | 300 | 379 | -20.84% | 1 | n/a | n/a |
| May 24, 2022 | 379 | 637 | -40.5% | 1 | n/a | n/a |
| May 10, 2022 | 637 | 334 | 90.72% | 1 | n/a | n/a |
| Apr 26, 2022 | 334 | 2.51K | -86.71% | 1 | n/a | n/a |
| Apr 11, 2022 | 2.51K | 4.02K | -37.43% | 1 | 0.02% | 0.01% |
| Mar 24, 2022 | 4.02K | 679 | 491.46% | 1 | 0.03% | 0.02% |
| Mar 09, 2022 | 679 | 475 | 42.95% | 1 | n/a | n/a |
| Feb 25, 2022 | 475 | 707 | -32.81% | 1 | n/a | n/a |
| Feb 09, 2022 | 707 | 923 | -23.4% | 1 | n/a | n/a |
| Jan 26, 2022 | 923 | 2.17K | -57.45% | 1 | 0.01% | n/a |
| Jan 11, 2022 | 2.17K | 6.79K | -68.05% | 1 | 0.01% | 0.01% |
| Dec 27, 2021 | 6.79K | 8.88K | -23.52% | 1 | 0.05% | 0.03% |
| Dec 09, 2021 | 8.88K | 5.51K | 61.19% | 1 | 0.06% | 0.04% |
| Nov 24, 2021 | 5.51K | 5.56K | -0.94% | 1 | 0.04% | 0.02% |
| Nov 09, 2021 | 5.56K | 5.63K | -1.24% | 1 | 0.04% | 0.02% |
| Oct 26, 2021 | 5.63K | 7.26K | -22.46% | 1 | 0.04% | 0.02% |
| Oct 11, 2021 | 7.26K | 8.4K | -13.58% | 1.02 | 0.05% | 0.03% |
| Sep 24, 2021 | 8.4K | 9.41K | -10.75% | 1.09 | 0.06% | 0.03% |
| Sep 10, 2021 | 9.41K | 6.14K | 53.37% | 1 | 0.06% | 0.04% |
| Aug 24, 2021 | 6.14K | 8.76K | -29.95% | 1 | 0.04% | 0.02% |
| Aug 10, 2021 | 8.76K | 6.61K | 32.49% | 1 | 0.06% | 0.04% |
| Jul 26, 2021 | 6.61K | 6.66K | -0.68% | 1 | 0.04% | 0.03% |
| Jul 12, 2021 | 6.66K | 7.47K | -10.93% | 1 | 0.04% | 0.03% |
| Jun 24, 2021 | 7.47K | 6.7K | 11.59% | 1 | 0.05% | 0.03% |
| Jun 09, 2021 | 6.7K | 2.57K | 160.38% | 1 | 0.04% | 0.03% |
| May 25, 2021 | 2.57K | 4.54K | -43.36% | 1 | 0.02% | 0.01% |
| May 11, 2021 | 4.54K | 4.85K | -6.37% | 1 | 0.03% | 0.02% |
| Apr 26, 2021 | 4.85K | 5.82K | -16.64% | 1 | 0.03% | 0.02% |
| Apr 12, 2021 | 5.82K | 12.74K | -54.33% | 1 | 0.04% | 0.02% |
| Mar 24, 2021 | 12.74K | 14.92K | -14.63% | 1 | 0.08% | 0.05% |
| Mar 09, 2021 | 14.92K | 19.16K | -22.11% | 1 | 0.1% | 0.06% |
| Feb 24, 2021 | 19.16K | 18.79K | 1.97% | 1 | 0.13% | 0.08% |
| Feb 09, 2021 | 18.79K | 15.37K | 22.22% | 1 | 0.12% | 0.08% |
| Jan 27, 2021 | 15.37K | 11.6K | 32.48% | 1 | 0.1% | 0.06% |