Century Aluminum Company (CENX) P/E Ratio History
Deep ValueTrading at 4.0x · 5th percentile of 5-year range · Significant discount to historical valuation · Data 1996–2026
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P/E Ratio Analysis
As of November 8, 2026, Century Aluminum Company (CENX) trades at a price-to-earnings ratio of 4.0x, with a stock price of $33.47 and trailing twelve-month earnings per share of $8.47.
The current P/E is 80% below its 5-year average of 19.4x. Over the past five years, CENX's P/E has ranged from a low of 3.4x to a high of 98.2x, placing the current valuation at the 5th percentile of its historical range.
Compared to the Basic Materials sector median P/E of 17.8x, CENX trades at a 78% discount to its sector peers. The sector includes 150 companies with P/E ratios ranging from 0.2x to 137.4x.
Relative to the broader market, CENX trades at a notable discount to the S&P 500 median P/E of 21.8x. 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 Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
CENX P/E vs Peers
Aluminum and Specialty Alloys peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $10B | 6.9 | - | +1486%Best | |
| $2B | 8.3 | 0.27Best | +136% | |
| $3B | 5.3Lowest | - | +419% | |
| $127B | 13.8 | 1.07 | +124% | |
| $85B | 24.9 | 0.83 | +17% | |
| $7B | 10.6 | 0.91 | +692% | |
| $21B | 19.3 | 0.98 | -10% | |
| $56B | 15.4 | 0.59 | -11% | |
| $32B | 16.3 | 0.65 | -19% |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
CENX Historical P/E Data (1996–2026)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2026 Q3 | Sep 30 2026 | $35.98 | $8.53 | 4.2x | -93% |
| FY2026 Q2 | - | $46.01 | $5.78 | 8.0x | -87% |
| FY2026 Q1 | - | $58.69 | $3.34 | 17.6x | -71% |
| FY2025 Q4 | Dec 31 2025 | $39.18 | $0.40 | 98.2x | +63% |
| FY2025 Q3 | - | $29.36 | $0.80 | 36.7x | -39% |
| FY2025 Q2 | Jun 30 2025 | $18.02 | $1.12 | 16.1x | -73% |
| FY2025 Q1 | Mar 31 2025 | $18.56 | $1.14 | 16.3x | -73% |
| FY2024 Q4 | - | $18.22 | $3.11 | 5.9x | -90% |
| FY2024 Q3 | Sep 30 2024 | $16.23 | $2.96 | 5.5x | -91% |
| FY2024 Q2 | Jun 30 2024 | $16.75 | $2.05 | 8.2x | -86% |
| FY2024 Q1 | Mar 31 2024 | $15.39 | $2.15 | 7.2x | -88% |
| FY2022 Q3 | Sep 30 2022 | $5.28 | $1.56 | 3.4x | -94% |
| FY2022 Q2 | - | $7.37 | $0.55 | 13.4x | -78% |
| FY2018 Q3 | Sep 30 2018 | $11.97 | $0.34 | 35.6x | -41% |
| FY2018 Q2 | Jun 30 2018 | $15.75 | $0.79 | 20.0x | -67% |
| FY2018 Q1 | Mar 31 2018 | $16.54 | $0.66 | 25.2x | -58% |
| FY2017 Q4 | Dec 31 2017 | $19.64 | $0.49 | 40.1x | -33% |
| FY2015 Q3 | Sep 30 2015 | $4.60 | $0.35 | 13.1x | -78% |
| FY2015 Q2 | - | $10.43 | $1.52 | 6.9x | -89% |
| FY2015 Q1 | - | $13.80 | $2.12 | 6.5x | -89% |
| FY2014 Q4 | Dec 31 2014 | $24.40 | $1.13 | 21.6x | -64% |
| FY2014 Q3 | - | $25.97 | $0.39 | 66.6x | +11% |
| FY2011 Q4 | Dec 31 2011 | $8.51 | $0.07 | 124.6x | +107% |
| FY2011 Q3 | Sep 30 2011 | $8.94 | $1.12 | 8.0x | -87% |
| FY2011 Q2 | - | $15.65 | $1.01 | 15.5x | -74% |
| FY2011 Q1 | - | $18.68 | $0.82 | 22.8x | -62% |
| FY2010 Q4 | Dec 31 2010 | $15.53 | $0.63 | 24.7x | -59% |
| FY2010 Q2 | Jun 30 2010 | $8.83 | $0.30 | 29.4x | -51% |
| FY2007 Q2 | Jun 30 2007 | $54.63 | $1.70 | 32.1x | -47% |
| FY2007 Q1 | Mar 31 2007 | $46.88 | $4.82 | 9.7x | -84% |
| FY2005 Q3 | Sep 30 2005 | $22.48 | $1.48 | 15.2x | -75% |
| FY2005 Q2 | - | $20.40 | $1.59 | 12.8x | -79% |
| FY2005 Q1 | - | $30.26 | $0.95 | 31.9x | -47% |
| FY2004 Q4 | Dec 31 2004 | $26.26 | $0.97 | 27.1x | -55% |
| FY2004 Q3 | - | $27.73 | $0.02 | 1386.5x | +2204% |
| FY2004 Q2 | Jun 30 2004 | $24.79 | $0.28 | 88.5x | +47% |
| FY2003 Q3 | - | $10.71 | $0.16 | 67.0x | +11% |
| FY2003 Q2 | Jun 30 2003 | $7.00 | $0.03 | 233.3x | +288% |
| FY2003 Q1 | Mar 31 2003 | $6.31 | $0.05 | 126.2x | +110% |
| FY2001 Q3 | Sep 30 2001 | $8.01 | $0.43 | 18.4x | -69% |
| FY2001 Q2 | Jun 30 2001 | $16.04 | $0.83 | 19.2x | -68% |
| FY2001 Q1 | Mar 31 2001 | $16.00 | $1.11 | 14.4x | -76% |
| FY2000 Q4 | Dec 31 2000 | $11.38 | $1.24 | 9.2x | -85% |
| FY2000 Q3 | Sep 30 2000 | $12.50 | $0.66 | 18.9x | -69% |
| FY2000 Q2 | Jun 30 2000 | $10.88 | $1.20 | 9.1x | -85% |
| FY2000 Q1 | Mar 31 2000 | $13.75 | $0.61 | 22.5x | -63% |
| FY1999 Q4 | Dec 31 1999 | $15.00 | $0.19 | 78.9x | +31% |
| FY1999 Q3 | - | $10.75 | $0.46 | 23.4x | -61% |
| FY1999 Q1 | Mar 31 1999 | $5.69 | $0.46 | 12.4x | -79% |
| FY1998 Q4 | - | $9.44 | $0.89 | 10.6x | -82% |
| FY1998 Q3 | Sep 30 1998 | $10.75 | $0.78 | 13.8x | -77% |
| FY1998 Q2 | - | $14.75 | $0.52 | 28.4x | -53% |
| FY1998 Q1 | - | $15.00 | $0.26 | 57.7x | -4% |
| FY1997 Q4 | Dec 31 1997 | $13.50 | $0.06 | 225.0x | +274% |
| FY1997 Q3 | - | $17.63 | $0.20 | 88.1x | +46% |
| FY1997 Q2 | Jun 30 1997 | $14.63 | $0.29 | 50.4x | -16% |
| FY1997 Q1 | Mar 31 1997 | $16.88 | $0.47 | 35.9x | -40% |
| FY1996 Q4 | - | $17.25 | $0.78 | 22.1x | -63% |
Average P/E for displayed period: 60.2x
CENX Chart Terminal
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Intrinsic Valuation
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Historical Returns
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Peer Comparison
Compare growth, multiples, and margins vs sector.
CENX — Frequently Asked Questions
Quick answers to the most common questions about buying CENX stock.
What is CENX's P/E ratio?
Century Aluminum Company (CENX) trailing twelve-month P/E ratio is 4.0x, based on TTM diluted EPS of $8.47. The 5-year average P/E is 19.4x and the historical range spans 3.4x to 98.2x.
Is CENX stock overvalued or undervalued?
CENX trades at 4.0x P/E, below its 5-year average of 19.4x. At the 5th percentile of its historical range (3.4x–98.2x), the stock is priced at a discount to its own history.
Is CENX stock expensive?
No, CENX is not expensive on a historical basis. The current P/E of 4.0x is below the 5-year average of 19.4x and sits at the 5th percentile of its valuation range.
What is CENX's historical P/E range?
Over the past 5 years, CENX's P/E ratio has ranged from 3.4x to 98.2x, with a median of 13.4x and an average of 19.4x. The current P/E of 4.0x places the stock at the 5th percentile of this range. Full historical data spans 1996–2026.
How does CENX's P/E compare to the S&P 500?
CENX trades at 4.0x P/E versus the S&P 500 median of 21.8x. The 82% discount to the market suggests lower growth expectations or perceived higher risk.
How does CENX's valuation compare to Basic Materials peers?
Century Aluminum Company P/E of 4.0x compares to the Basic Materials sector median of 17.8x. The discount suggests lower growth expectations, weaker margins, or higher perceived risk relative to peers. See the peer comparison table on this page for ticker-by-ticker P/E and PEG.
What is CENX's PEG ratio?
CENX PEG ratio is N/A, based on a P/E of 4.0x and EPS growth of -87.2%. PEG normalises P/E by growth and helps compare stocks with different earnings trajectories.
What is CENX's earnings yield?
CENX earnings yield is 25.31%, the inverse of its 4.0x P/E ratio. Earnings yield represents the percentage of each dollar invested that the company earns. It can be compared directly to bond yields to assess relative attractiveness of stocks versus fixed income.