Compare KLA Corporation (KLAC) vs Nova Ltd. (NVMI) Stock

KLA Corporation (KLAC) offers the better valuation at 50.2x trailing P/E (41.8x forward), making it the more compelling value choice. Analysts rate KLA Corporation (KLAC) a "Buy" — based on 43 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, KLA Corporation (KLAC) is the cheapest at 50.2x versus Nova Ltd. at 76.3x. On forward P/E, KLA Corporation is actually cheaper at 41.8x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Nova Ltd. wins at 1.18x versus KLA Corporation's 1.32x — a reasonable growth-adjusted valuation.

Over the past 5 years, Nova Ltd. (NVMI) delivered a total return of +389.9%, compared to +376.4% for KLA Corporation (KLAC). A $10,000 investment in NVMI five years ago would be worth approximately $49K today (assuming dividends reinvested). Over 10 years, the gap is even starker: NVMI returned +40.1% versus KLAC's +22.1%. 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), KLA Corporation (KLAC) is the lower-risk stock at 1.76β versus Nova Ltd.'s 1.83β — meaning NVMI is approximately 4% more volatile than KLAC relative to the S&P 500. On balance sheet safety, Nova Ltd. (NVMI) carries a lower debt/equity ratio of 25% versus 130% for KLA Corporation — giving it more financial flexibility in a downturn.

KLA Corporation (KLAC) is the more profitable company, earning 33.4% net margin versus 27.3% for Nova Ltd. — meaning it keeps 33.4% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: KLAC leads at 43.1% versus 27.9% for NVMI. At the gross margin level — before operating expenses — KLAC leads at 62.3%, 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, Nova Ltd. (NVMI) is the more undervalued stock at a PEG of 1.18x versus KLA Corporation's 1.32x. A PEG below 1.5 suggests fair-to-attractive pricing relative to expected growth. On forward earnings alone, KLA Corporation (KLAC) trades at 41.8x forward P/E versus 42.8x for Nova Ltd. — 1.0x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for NVMI: 11.5% to $489.50.

In this comparison, KLAC (0.4% yield) pays a dividend. NVMI does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, KLA Corporation (KLAC) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding. Nova Ltd. (NVMI) carries a higher beta of 1.83 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (KLAC: +22.1%, NVMI: +40.1%), 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 Technology sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both. 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.