MTRN vs KALU

For growth investors, Kaiser Aluminum Corporation (KALU) is the stronger pick with 11.

5% revenue growth year-over-year, versus 6. 0% for Materion Corporation (MTRN). Kaiser Aluminum Corporation (KALU) offers the better valuation at 26. 6x trailing P/E (19. 2x forward), making it the more compelling value choice. Analysts rate Materion Corporation (MTRN) a "Buy" — based on 10 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Kaiser Aluminum Corporation (KALU) is the cheapest at 26.

6x versus Materion Corporation at 54. 9x. On forward P/E, Kaiser Aluminum Corporation is actually cheaper at 19. 2x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Kaiser Aluminum Corporation wins at 0. 64x versus Materion Corporation's 0. 84x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Materion Corporation (MTRN) delivered a total return of +159.

4%, compared to +42. 2% for Kaiser Aluminum Corporation (KALU). Over 10 years, the gap is even starker: MTRN returned +669. 3% versus KALU's +128. 7%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Materion Corporation (MTRN) is the lower-risk stock at 1.

62β versus Kaiser Aluminum Corporation's 1. 71β — meaning KALU is approximately 5% more volatile than MTRN relative to the S&P 500. On balance sheet safety, Materion Corporation (MTRN) carries a lower debt/equity ratio of 64% versus 136% for Kaiser Aluminum Corporation — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Kaiser Aluminum Corporation (KALU) is pulling ahead at 11.

5% versus 6. 0% for Materion Corporation (MTRN). On earnings-per-share growth, the picture is similar: Materion Corporation grew EPS 1179% year-over-year, compared to 135. 9% for Kaiser Aluminum Corporation. Over a 3-year CAGR, MTRN leads at 0. 6% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Materion Corporation (MTRN) is the more profitable company, earning 4.

2% net margin versus 3. 3% for Kaiser Aluminum Corporation — meaning it keeps 4. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: MTRN leads at 6. 5% versus 5. 7% for KALU. At the gross margin level — before operating expenses — MTRN leads at 16. 7%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Kaiser Aluminum Corporation (KALU) is the more undervalued stock at a PEG of 0. 64x versus Materion Corporation's 0. 84x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Kaiser Aluminum Corporation (KALU) trades at 19. 2x forward P/E versus 30. 8x for Materion Corporation — 11. 6x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for KALU: -11. 3% to $160. 00.

All stocks in this comparison pay dividends.

Kaiser Aluminum Corporation (KALU) offers the highest yield at 1. 7%, versus 0. 3% for Materion Corporation (MTRN).

For long-horizon retirement investors, Kaiser Aluminum Corporation (KALU) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (1.

7% yield, +128. 7% 10Y return). Materion Corporation (MTRN) carries a higher beta of 1. 62 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (KALU: +128. 7%, MTRN: +669. 3%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Basic Materials sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

KALU pays a dividend while MTRN does not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.