Perma-Fix Environmental Services, Inc. (PESI) Stock Price History
Historical prices from 2011 to 2026
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PESI Historical Performance
Short-Term Returns
PESI Stock Price Trajectory (2011–2026)
As of May 8, 2026, Perma-Fix Environmental Services, Inc. (PESI) trades at $11.17, representing a +26.2% return over the past year. The stock has delivered a +45.6% total return over five years (+7.8% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $41.25 on February 9, 1993. From this peak, PESI has corrected -72.9%, currently trading 11% below its 200-day moving average, suggesting potential weakness.
When compared to Industrials sector peers CWST (-28.9% 1Y), CECO (+220.1% 1Y), and CLH (+26.7% 1Y), PESI has underperformed the peer group average. Compare PESI vs CWST →
PESI Historical Price Data (2025–2026)
Showing 30 of 3,650 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-07 | 11.54 | 11.60 | 11.00 | 11.17 | 272K | -5.18% |
| 2026-05-06 | 10.84 | 11.87 | 10.24 | 11.78 | 483K | -8.89% |
| 2026-05-05 | 12.90 | 13.19 | 12.71 | 12.93 | 274K | +1.89% |
| 2026-05-04 | 12.83 | 13.12 | 12.54 | 12.69 | 152K | +1.04% |
| 2026-05-01 | 12.66 | 12.82 | 12.55 | 12.56 | 101K | -0.79% |
| 2026-04-30 | 12.51 | 13.12 | 12.24 | 12.66 | 139K | +3.35% |
| 2026-04-29 | 12.58 | 12.71 | 12.06 | 12.25 | 107K | -3.47% |
| 2026-04-28 | 12.59 | 12.75 | 12.44 | 12.69 | 89K | +0.08% |
| 2026-04-27 | 12.64 | 13.08 | 12.56 | 12.68 | 64K | -0.08% |
| 2026-04-24 | 12.78 | 13.18 | 12.52 | 12.69 | 117K | -0.24% |
| 2026-04-23 | 12.75 | 13.00 | 12.41 | 12.72 | 73K | 0.00% |
| 2026-04-22 | 12.74 | 13.00 | 12.63 | 12.72 | 72K | +1.60% |
| 2026-04-21 | 12.88 | 13.12 | 12.52 | 12.52 | 43K | -2.57% |
| 2026-04-20 | 12.90 | 13.03 | 12.53 | 12.85 | 83K | -0.39% |
| 2026-04-17 | 12.29 | 13.11 | 12.29 | 12.90 | 188K | +7.05% |
| 2026-04-16 | 12.10 | 12.19 | 11.87 | 12.05 | 178K | -1.15% |
| 2026-04-15 | 12.12 | 12.36 | 11.81 | 12.19 | 139K | +0.49% |
| 2026-04-14 | 12.14 | 12.23 | 11.86 | 12.13 | 167K | -0.08% |
| 2026-04-13 | 12.26 | 12.39 | 11.91 | 12.14 | 127K | 0.00% |
| 2026-04-10 | 12.10 | 12.22 | 11.94 | 12.14 | 71K | +1.25% |
| 2026-04-09 | 12.09 | 12.23 | 11.79 | 11.99 | 98K | -1.96% |
| 2026-04-08 | 12.02 | 12.52 | 11.89 | 12.23 | 109K | +5.80% |
| 2026-04-07 | 11.40 | 11.64 | 11.30 | 11.56 | 99K | +0.70% |
| 2026-04-06 | 11.85 | 11.85 | 11.35 | 11.48 | 77K | +0.26% |
| 2026-04-02 | 11.02 | 11.59 | 10.80 | 11.45 | 89K | +2.05% |
| 2026-04-01 | 10.84 | 11.44 | 10.70 | 11.22 | 188K | +4.96% |
| 2026-03-31 | 10.56 | 10.88 | 10.38 | 10.69 | 185K | +2.79% |
| 2026-03-30 | 10.81 | 10.96 | 10.02 | 10.40 | 254K | -2.35% |
| 2026-03-27 | 10.74 | 11.02 | 10.50 | 10.65 | 241K | -2.02% |
| 2026-03-26 | 11.11 | 11.67 | 10.54 | 10.87 | 300K | -2.16% |
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View ValuationCompare PESI vs SPIR
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Start ComparisonPESI — Frequently Asked Questions
Quick answers to the most common questions about buying PESI stock.
How has PESI stock performed recently?
PESI returned +26.2% over the past year, beating its 5-year annualized CAGR of +7.8%. The stock trades below its 200-day moving average, confirming the uptrend.
What is PESI's all-time high price?
Perma-Fix Environmental Services, Inc. reached $41.25 on 1993-02-09. The 52-week high is $16.50. Current 1-year return of +26.2% places the stock closer to historical peaks.
Where can I download PESI historical price data?
This page provides PESI daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2011-2026, downloadable in CSV format.