$13.62
-0.16-1.16%
At close: Dec 16, 4:00 PM EST
$13.62
N/A
After Hours: 4:00 PM EST

Short interest in Perma-Fix Environmental Services Inc (NASDAQ:PESI) increased during the last reporting period, rising from 1.45M to 1.51M. This put 8.84% of the company's publicly available shares short.
Based on the recent average volume of 103.08K shares traded per day, it would take 14.69 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.
| Get Alert | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| PESI | Perma-Fix Environmental Servic | 11/28/2025 | 12/09/2025 | 8.84% | 17,132,543 | 1,514,136 | 103,083 | 14.69 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 11/14/2025 | 11/25/2025 | 8.44% | 17,132,543 | 1,445,155 | 272,323 | 5.31 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 10/31/2025 | 11/11/2025 | 8.77% | 17,132,543 | 1,503,147 | 201,443 | 7.46 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 10/15/2025 | 10/24/2025 | 9.09% | 17,085,082 | 1,552,495 | 212,408 | 7.31 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 09/30/2025 | 10/09/2025 | 8.89% | 17,085,082 | 1,519,702 | 254,881 | 5.96 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 09/15/2025 | 09/24/2025 | 8.12% | 17,085,082 | 1,386,914 | 447,262 | 3.1 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 08/29/2025 | 09/10/2025 | 7.55% | 17,085,082 | 1,289,798 | 97,867 | 13.18 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 08/15/2025 | 08/26/2025 | 7.77% | 17,085,082 | 1,327,196 | 100,960 | 13.15 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 07/31/2025 | 08/11/2025 | 7.59% | 17,067,108 | 1,295,941 | 167,315 | 7.75 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 07/15/2025 | 07/24/2025 | 7.04% | 17,067,108 | 1,201,346 | 105,891 | 11.35 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 06/30/2025 | 07/10/2025 | 6.22% | 17,067,108 | 1,062,177 | 138,564 | 7.67 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 06/13/2025 | 06/25/2025 | 6.46% | 17,067,108 | 1,102,219 | 116,142 | 9.49 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 05/30/2025 | 06/10/2025 | 6.91% | 17,136,798 | 1,184,283 | 139,396 | 8.5 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 05/15/2025 | 05/27/2025 | 6.54% | 17,136,798 | 1,120,801 | 239,319 | 4.68 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 04/30/2025 | 05/09/2025 | 6.14% | 17,120,619 | 1,050,786 | 141,078 | 7.45 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 04/15/2025 | 04/25/2025 | 6.39% | 17,120,619 | 1,094,344 | 214,065 | 5.11 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 03/31/2025 | 04/09/2025 | 6.19% | 17,120,619 | 1,059,325 | 229,937 | 4.61 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 03/14/2025 | 03/25/2025 | 5.94% | 17,120,619 | 1,016,930 | 132,770 | 7.66 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 02/28/2025 | 03/11/2025 | 6.40% | 17,146,294 | 1,097,987 | 140,638 | 7.81 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 02/14/2025 | 02/26/2025 | 5.69% | 17,146,294 | 975,515 | 99,870 | 9.77 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 01/31/2025 | 02/11/2025 | 5.69% | 17,146,294 | 975,663 | 114,154 | 8.55 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 01/15/2025 | 01/27/2025 | 6.23% | 17,146,294 | 1,068,664 | 89,836 | 11.9 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 12/31/2024 | 01/10/2025 | 5.54% | 17,146,294 | 950,723 | 176,290 | 5.39 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 12/13/2024 | 12/24/2024 | 6.24% | 17,146,294 | 1,070,483 | 130,333 | 8.21 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 11/29/2024 | 12/10/2024 | 7.17% | 14,597,034 | 1,046,648 | 195,759 | 5.35 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 11/15/2024 | 11/26/2024 | 7.10% | 14,597,034 | 1,037,008 | 167,206 | 6.2 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 10/31/2024 | 11/11/2024 | 7.36% | 14,557,443 | 1,070,991 | 96,421 | 11.11 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 10/15/2024 | 10/24/2024 | 8.21% | 14,557,443 | 1,195,283 | 69,151 | 17.29 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 09/30/2024 | 10/09/2024 | 8.12% | 14,557,443 | 1,181,410 | 95,984 | 12.31 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 09/13/2024 | 09/24/2024 | 7.40% | 14,557,443 | 1,077,367 | 73,206 | 14.72 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 08/30/2024 | 09/11/2024 | 7.94% | 14,557,443 | 1,155,206 | 72,696 | 15.89 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 07/31/2024 | 08/09/2024 | 6.69% | 14,557,443 | 973,535 | 152,484 | 6.38 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 07/15/2024 | 07/24/2024 | 5.78% | 14,557,443 | 841,044 | 138,338 | 6.08 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 06/28/2024 | 07/10/2024 | 3.09% | 14,557,443 | 449,711 | 339,867 | 1.32 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 06/14/2024 | 06/26/2024 | 2.04% | 14,557,443 | 296,858 | 98,350 | 3.02 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 05/31/2024 | 06/11/2024 | 1.78% | 14,557,443 | 258,640 | 99,606 | 2.6 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 05/15/2024 | 05/24/2024 | 1.65% | 12,523,678 | 206,442 | 156,952 | 1.32 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 04/30/2024 | 05/09/2024 | 0.79% | 12,523,678 | 98,729 | 54,964 | 1.8 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 04/15/2024 | 04/24/2024 | 0.73% | 12,459,397 | 91,354 | 88,444 | 1.03 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 03/28/2024 | 04/09/2024 | 1.42% | 12,459,397 | 176,385 | 57,702 | 3.06 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 03/15/2024 | 03/26/2024 | 1.22% | 12,459,397 | 151,603 | 53,917 | 2.81 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 02/29/2024 | 03/11/2024 | 1.34% | 12,459,397 | 166,736 | 35,457 | 4.7 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 02/15/2024 | 02/27/2024 | 1.46% | 10,561,063 | 153,802 | 19,761 | 7.78 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 01/31/2024 | 02/09/2024 | 1.58% | 10,561,063 | 166,536 | 21,003 | 7.93 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 01/12/2024 | 01/24/2024 | 1.71% | 10,561,063 | 180,090 | 34,806 | 5.17 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 12/29/2023 | 01/10/2024 | 1.73% | 10,561,063 | 182,810 | 33,171 | 5.51 | Get Alert |
| PESI | Perma-Fix Environmental Servic | 12/15/2023 | 12/27/2023 | 1.73% | 10,561,063 | 182,946 | 38,860 | 4.71 | Get Alert |
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