Century Aluminum Company (CENX) P/E Ratio History
Historical price-to-earnings valuation from 1996 to 2025
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CENX Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of May 6, 2026, Century Aluminum Company (CENX) trades at a price-to-earnings ratio of 19.0x, with a stock price of $62.62 and trailing twelve-month earnings per share of $0.86.
The current P/E is 21% below its 5-year average of 24.0x. Over the past five years, CENX's P/E has ranged from a low of 3.4x to a high of 124.6x, placing the current valuation at the 60th percentile of its historical range.
Compared to the Basic Materials sector median P/E of 22.9x, CENX trades at a 17% discount to its sector peers. The sector includes 125 companies with P/E ratios ranging from 2.1x to 135.9x.
Relative to the broader market, CENX trades at a notable discount to the S&P 500 median P/E of 25.2x. 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 CENX 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.
CENX P/E vs Peers
P/E ratio compared to closely matched public peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $16B | 14.2Lowest | - | +1486%Best | |
| $3B | 26.6 | 0.88Best | +136% | |
| $5B | 17.4 | - | +419% | |
| $128B | 18.0 | 1.40 | +124% | |
| $88B | 40.1 | 1.34 | +17% | |
| $8B | 97.5 | - | -82% | |
| $19B | 26.9 | 1.36 | -10% | |
| $53B | 31.1 | 1.19 | -11% | |
| $35B | 30.3 | 1.20 | -19% |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
CENX Historical P/E Data (1996–2025)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Date | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2025 Q3 | $29.36 | $0.80 | 36.7x | -41% | |
| FY2025 Q2 | Mon Jun 30 2025 00:00:00 GM | $18.02 | $1.12 | 16.1x | -74% |
| FY2025 Q1 | Mon Mar 31 2025 00:00:00 GM | $18.56 | $1.14 | 16.3x | -74% |
| FY2024 Q4 | $18.22 | $3.11 | 5.9x | -91% | |
| FY2024 Q3 | Mon Sep 30 2024 00:00:00 GM | $16.23 | $2.96 | 5.5x | -91% |
| FY2024 Q2 | Sun Jun 30 2024 00:00:00 GM | $16.75 | $2.05 | 8.2x | -87% |
| FY2024 Q1 | Sun Mar 31 2024 00:00:00 GM | $15.39 | $2.15 | 7.2x | -89% |
| FY2022 Q3 | Fri Sep 30 2022 00:00:00 GM | $5.28 | $1.56 | 3.4x | -95% |
| FY2022 Q2 | $7.37 | $0.55 | 13.4x | -78% | |
| FY2018 Q3 | Sun Sep 30 2018 00:00:00 GM | $11.97 | $0.34 | 35.6x | -43% |
| FY2018 Q2 | Sat Jun 30 2018 00:00:00 GM | $15.75 | $0.79 | 20.0x | -68% |
| FY2018 Q1 | Sat Mar 31 2018 00:00:00 GM | $16.54 | $0.66 | 25.2x | -60% |
Average P/E for displayed period: 62.3x
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Start ComparisonCENX — Frequently Asked Questions
Quick answers to the most common questions about buying CENX stock.
Is CENX stock overvalued or undervalued?
CENX trades at 19.0x P/E, below its 5-year average of 24.0x. At the 60th percentile of historical range, the stock is priced at a discount to its own history.
How does CENX's valuation compare to peers?
Century Aluminum Company P/E of 19.0x compares to sector median of 22.9x. The discount suggests lower growth expectations or higher risk.
What is CENX's PEG ratio?
CENX PEG ratio is N/A. Above 2.0 indicates premium valuation relative to growth rate. Historical P/E data spans 1996-2025.