Perma-Fix Environmental Services, Inc. (PESI:NASDAQ) closed at $11.96 on October 19, 2026, down 2.84% on the day. The stock trades 43.9% below its 52-week high of $21.32 and 39.4% above its 52-week low of $8.58. Over the past year, it lost 5.4%. Perma-Fix Environmental Services, Inc. is part of the Basic Industries sector (Environmental Services).
| 5D | 1M | 3M | 6M | 1Y |
|---|---|---|---|---|
| -7.44% | -31.19% | -25.26% | -4.20% | -5.38% |
In 252 trading sessions since October 16, 2025, PESI closed higher on 121 days (48%). Its best day was November 10, 2025 (+16.24%) and its worst was July 2, 2026 (-11.70%). The stock moved 10% or more in a single session 9 times. It opened at least 5% above the previous day's high 1 time.
Perma-Fix Environmental Services, Inc., through its subsidiaries, operates as an environmental and technology know-how company in the United States. The company operates in three segments: Treatment, Services, and Medical. The Treatment segment offers nuclear, low-level radioactive, mixed, hazardous, and non-hazardous waste treatment, processing, and disposal services through licensed and permitted treatment and storage facilities. It is also involved in the research and development activities to identify, develop, and implement waste processing techniques for problematic waste streams. The Services segment provides on-site waste management services to commercial and government customers; and technical services, such as professional radiological measurement and site survey, and integrated occupational safety and health, as well as consulting, engineering, project and waste management, environmental, decontamination and decommissioning (D&D) field, technical, and management personnel and services. It also offers nuclear services, including technology-based services comprising engineering, D&D, specialty, construction, logistics, transportation, processing, and disposal; and remediat...
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Based on end-of-day data. For information only, not investment advice.