Perma-Fix Environmental Services, Inc. (PESI) P/E Ratio History
Historical price-to-earnings valuation from 1998 to 2023
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PESI Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of May 8, 2026, Perma-Fix Environmental Services, Inc. (PESI) trades at a price-to-earnings ratio of -14.9x, with a stock price of $11.17 and trailing twelve-month earnings per share of $-0.95.
The current P/E is 127% below its 5-year average of 54.4x. Over the past five years, PESI's P/E has ranged from a low of 6.0x to a high of 260.3x, placing the current valuation at the 0th percentile of its historical range.
Compared to the Industrials sector median P/E of 25.5x, PESI trades at a 158% discount to its sector peers. The sector includes 413 companies with P/E ratios ranging from 0.0x to 185.3x.
Relative to the broader market, PESI trades at a notable discount to the S&P 500 median P/E of 25.1x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our PESI DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
PESI P/E vs Peers
P/E ratio compared to closely matched public peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $5B | 712.1 | - | -48% | |
| $3B | 59.4 | 1.39Best | +281%Best | |
| $15B | 38.7 | 1.57 | -2% | |
| $498M | 22.5Lowest | - | +5% | |
| $281B | 59.1 | - | +217% | |
| $19B | 58.4 | 13.62 | +17% |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
PESI Historical P/E Data (1998–2023)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Date | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2023 Q4 | Sun Dec 31 2023 00:00:00 GM | $7.86 | $0.03 | 260.3x | +482% |
| FY2022 Q1 | $5.53 | $0.05 | 110.6x | +147% | |
| FY2021 Q4 | Fri Dec 31 2021 00:00:00 GM | $6.33 | $0.06 | 109.7x | +145% |
| FY2021 Q3 | $6.65 | $0.26 | 25.9x | -42% | |
| FY2021 Q2 | Wed Jun 30 2021 00:00:00 GM | $7.15 | $0.27 | 26.8x | -40% |
| FY2021 Q1 | Wed Mar 31 2021 00:00:00 GM | $7.33 | $0.05 | 156.3x | +250% |
| FY2020 Q4 | $5.97 | $0.24 | 25.0x | -44% | |
| FY2020 Q3 | Wed Sep 30 2020 00:00:00 GM | $7.05 | $0.32 | 22.0x | -51% |
| FY2020 Q2 | $6.39 | $0.35 | 18.3x | -59% | |
| FY2020 Q1 | $5.21 | $0.35 | 14.9x | -67% | |
| FY2019 Q4 | $9.10 | $0.19 | 47.0x | +5% | |
| FY2018 Q3 | Sun Sep 30 2018 00:00:00 GM | $4.20 | $0.10 | 42.0x | -6% |
Average P/E for displayed period: 44.7x
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Start ComparisonPESI — Frequently Asked Questions
Quick answers to the most common questions about buying PESI stock.
Is PESI stock overvalued or undervalued?
PESI trades at -14.9x P/E, below its 5-year average of 54.4x. At the N/A percentile of historical range, the stock is priced at a discount to its own history.
How does PESI's valuation compare to peers?
Perma-Fix Environmental Services, Inc. P/E of -14.9x compares to sector median of 25.5x. The discount suggests lower growth expectations or higher risk.
What is PESI's PEG ratio?
PESI PEG ratio is N/A. Above 2.0 indicates premium valuation relative to growth rate. Historical P/E data spans 1998-2023.