Kaiser Aluminum Corporation (KALU) P/E Ratio History
UndervaluedTrading at 27.0x vs 5Y avg 54.3x · 55th percentile · Below historical baseline · Data 2006–2026
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P/E Ratio Analysis
As of June 22, 2026, Kaiser Aluminum Corporation (KALU) trades at a price-to-earnings ratio of 27.0x, with a stock price of $182.75 and trailing twelve-month earnings per share of $9.11.
The current P/E is 50% below its 5-year average of 54.3x. Over the past five years, KALU's P/E has ranged from a low of 13.1x to a high of 433.0x, placing the current valuation at the 55th percentile of its historical range.
Compared to the Basic Materials sector median P/E of 23.6x, KALU is roughly in line with its sector peers. The sector includes 123 companies with P/E ratios ranging from 1.0x to 184.0x.
The PEG ratio of 0.89 (P/E divided by 136% EPS growth) suggests the stock may be undervalued relative to its earnings growth. Peter Lynch popularized the rule that a PEG below 1.0 indicates an attractive entry point.
Relative to the broader market, KALU trades roughly in line with the S&P 500 median P/E of 24.4x. 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 KALU 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.
KALU Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
KALU P/E vs Peers
Aluminum Rolled and Extruded Products peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $15B | 13.4Lowest | - | +1486%Best | |
| $5B | 123.1 | - | -87% | |
| $3B | 41.3 | 2.72 | -3% | |
| $5B | 17.7 | - | +419% | |
| $28B | 70.6 | - | +12% | |
| $111B | 74.8 | 1.48 | +32% | |
| $29B | 79.0 | 0.36Best | +101% | |
| $6B | 76.8 | 2.09 | +1179% | |
| $176B | 89.8 | - | +114% | |
| $118B | 23.8 | - | -4% |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
KALU Historical P/E Data (2006–2026)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2026 Q1 | - | $120.51 | $9.18 | 13.1x | -61% |
| FY2025 Q4 | Dec 31 2025 | $114.86 | $6.78 | 16.9x | -49% |
| FY2025 Q3 | - | $77.16 | $5.53 | 14.0x | -58% |
| FY2025 Q2 | Jun 30 2025 | $79.90 | $3.89 | 20.5x | -38% |
| FY2025 Q1 | Mar 31 2025 | $60.62 | $3.63 | 16.7x | -50% |
| FY2024 Q4 | - | $70.27 | $3.44 | 20.4x | -39% |
| FY2024 Q3 | Sep 30 2024 | $72.52 | $3.48 | 20.8x | -38% |
| FY2024 Q2 | Jun 30 2024 | $87.90 | $3.07 | 28.6x | -14% |
| FY2024 Q1 | Mar 31 2024 | $89.36 | $3.06 | 29.2x | -12% |
| FY2023 Q4 | Dec 31 2023 | $71.19 | $2.93 | 24.3x | -27% |
| FY2023 Q3 | Sep 30 2023 | $75.26 | $0.80 | 94.1x | +182% |
| FY2023 Q2 | Jun 30 2023 | $71.64 | $0.63 | 113.7x | +241% |
| FY2021 Q1 | Mar 31 2021 | $110.50 | $0.26 | 433.0x | +1198% |
| FY2020 Q4 | - | $98.90 | $1.79 | 55.4x | +66% |
| FY2020 Q3 | Sep 30 2020 | $53.59 | $0.75 | 71.9x | +116% |
| FY2020 Q2 | - | $73.62 | $2.29 | 32.1x | -4% |
| FY2020 Q1 | - | $69.28 | $3.89 | 17.8x | -47% |
| FY2019 Q4 | - | $110.89 | $3.79 | 29.3x | -12% |
| FY2019 Q3 | Sep 30 2019 | $98.97 | $5.93 | 16.7x | -50% |
| FY2019 Q2 | Jun 30 2019 | $97.61 | $5.65 | 17.3x | -48% |
| FY2019 Q1 | Mar 31 2019 | $104.73 | $5.69 | 18.4x | -45% |
| FY2018 Q4 | Dec 31 2018 | $89.29 | $5.49 | 16.3x | -51% |
| FY2018 Q3 | Sep 30 2018 | $109.06 | $3.11 | 35.1x | +5% |
| FY2018 Q2 | Jun 30 2018 | $104.11 | $2.98 | 34.9x | +5% |
| FY2018 Q1 | Mar 31 2018 | $100.90 | $2.03 | 49.7x | +49% |
| FY2017 Q4 | Dec 31 2017 | $106.85 | $2.56 | 41.7x | +25% |
| FY2017 Q3 | Sep 30 2017 | $103.14 | $4.88 | 21.1x | -37% |
| FY2017 Q2 | Jun 30 2017 | $88.52 | $4.54 | 19.5x | -42% |
| FY2017 Q1 | Mar 31 2017 | $79.90 | $5.70 | 14.0x | -58% |
| FY2016 Q4 | Dec 31 2016 | $77.69 | $5.10 | 15.2x | -54% |
| FY2016 Q3 | Sep 30 2016 | $86.49 | $4.43 | 19.5x | -41% |
| FY2016 Q2 | - | $90.41 | $4.82 | 18.8x | -44% |
| FY2016 Q1 | - | $84.54 | $4.50 | 18.8x | -44% |
| FY2014 Q4 | Dec 31 2014 | $71.43 | $3.88 | 18.4x | -45% |
| FY2014 Q3 | - | $76.22 | $4.55 | 16.8x | -50% |
| FY2014 Q2 | Jun 30 2014 | $72.87 | $5.04 | 14.5x | -57% |
| FY2014 Q1 | Mar 31 2014 | $71.42 | $4.69 | 15.2x | -54% |
| FY2013 Q4 | - | $70.24 | $5.57 | 12.6x | -62% |
| FY2013 Q3 | Sep 30 2013 | $71.25 | $4.52 | 15.8x | -53% |
| FY2013 Q2 | Jun 30 2013 | $61.94 | $4.69 | 13.2x | -60% |
| FY2013 Q1 | Mar 31 2013 | $64.65 | $4.80 | 13.5x | -60% |
| FY2012 Q4 | Dec 31 2012 | $61.69 | $4.45 | 13.9x | -58% |
| FY2012 Q3 | Sep 30 2012 | $58.39 | $4.24 | 13.8x | -59% |
| FY2012 Q2 | Jun 30 2012 | $51.84 | $2.94 | 17.6x | -47% |
| FY2012 Q1 | Mar 31 2012 | $47.26 | $2.06 | 22.9x | -31% |
| FY2011 Q4 | Dec 31 2011 | $45.88 | $1.25 | 36.7x | +10% |
| FY2011 Q3 | Sep 30 2011 | $44.28 | $0.97 | 45.5x | +36% |
| FY2011 Q2 | - | $54.62 | $1.05 | 51.8x | +55% |
| FY2011 Q1 | - | $49.25 | $0.85 | 57.7x | +73% |
| FY2010 Q4 | Dec 31 2010 | $50.09 | $0.72 | 69.2x | +107% |
| FY2010 Q3 | - | $42.79 | $1.94 | 22.1x | -34% |
| FY2010 Q2 | Jun 30 2010 | $34.67 | $2.79 | 12.4x | -63% |
| FY2010 Q1 | Mar 31 2010 | $38.57 | $3.75 | 10.3x | -69% |
| FY2009 Q4 | - | $41.62 | $3.50 | 11.9x | -64% |
| FY2008 Q3 | - | $42.95 | $3.12 | 13.8x | -59% |
| FY2008 Q2 | Jun 30 2008 | $53.53 | $5.45 | 9.8x | -71% |
| FY2008 Q1 | Mar 31 2008 | $69.30 | $6.05 | 11.5x | -66% |
| FY2007 Q4 | Dec 31 2007 | $79.48 | $5.00 | 15.9x | -52% |
| FY2007 Q3 | Sep 30 2007 | $70.57 | $4.37 | 16.1x | -52% |
| FY2007 Q2 | Jun 30 2007 | $72.88 | $3.87 | 18.8x | -44% |
| FY2007 Q1 | Mar 31 2007 | $78.00 | $2.13 | 36.6x | +10% |
| FY2006 Q4 | Dec 31 2006 | $55.98 | $1.76 | 31.8x | -5% |
Average P/E for displayed period: 33.4x
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
20+ years return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
KALU — Frequently Asked Questions
Quick answers to the most common questions about buying KALU stock.
What is KALU's P/E ratio?
Kaiser Aluminum Corporation (KALU) trailing twelve-month P/E ratio is 27.0x, based on TTM diluted EPS of $9.11. The 5-year average P/E is 54.3x and the historical range spans 13.1x to 433.0x.
Is KALU stock overvalued or undervalued?
KALU trades at 27.0x P/E, below its 5-year average of 54.3x. At the 55th percentile of its historical range (13.1x–433.0x), the stock is priced at a discount to its own history.
Is KALU stock expensive?
No, KALU is not expensive on a historical basis. The current P/E of 27.0x is below the 5-year average of 54.3x and sits at the 55th percentile of its valuation range.
What is KALU's historical P/E range?
Over the past 5 years, KALU's P/E ratio has ranged from 13.1x to 433.0x, with a median of 24.3x and an average of 54.3x. The current P/E of 27.0x places the stock at the 55th percentile of this range. Full historical data spans 2006–2026.
How does KALU's P/E compare to the S&P 500?
KALU trades at 27.0x P/E versus the S&P 500 median of 24.4x. The 11% premium to the market typically reflects higher expected earnings growth or quality.
How does KALU's valuation compare to Basic Materials peers?
Kaiser Aluminum Corporation P/E of 27.0x compares to the Basic Materials sector median of 23.6x. The premium reflects expected growth above peers or stronger fundamentals. See the peer comparison table on this page for ticker-by-ticker P/E and PEG.
What is KALU's PEG ratio?
KALU PEG ratio is 0.89, based on a P/E of 27.0x and EPS growth of 135.9%. A PEG below 1.0 indicates the valuation is supported by the earnings growth rate — typically considered attractive.
What is KALU's earnings yield?
KALU earnings yield is 3.70%, the inverse of its 27.0x 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.