KLAC vs WDC

Head-to-Head Stock Analysis & Investment Rating

Last Updated: Sep 26, 2026

KLAC

57.3
AI Score
VS
WDC Wins

WDC

59.4
AI Score

Investment Advisor Scores

KLAC

57score
Recommendation
HOLD

WDC

59score
Recommendation
HOLD

AI Analyst Insights

Detailed Metrics Comparison

Metric KLAC WDC Winner
Forward P/E 34.8432 22.8311 WDC
PEG Ratio 1.8006 0.9019 WDC
Revenue Growth 15.2% 43.8% WDC
Earnings Growth 13.8% 984.1% WDC
Tradestie Score 57.3/100 59.4/100 WDC
Profit Margin 35.6% 73.0% WDC
Beta 1.00 1.00 Tie
AI Recommendation HOLD HOLD Tie

Relative Price Performance (Last 90 Days)

KLAC 1M: +4.2% · 3M: -14.2% WDC 1M: -15.1% · 3M: -29.9%

Current Technical Phase

KLAC

Neutral
Hold

Mixed signals - no dominant trend phase, RSI 55

RSI (14): 54.9 · Price: $196.83

WDC

Markdown
Sell / avoid

Price below a falling SMA50 (slope -7.9%), weak momentum, RSI 39

RSI (14): 39.1 · Price: $405.42

Fundamentals Snapshot

Metric KLAC WDC
Market Cap — —
Forward P/E 38.4 22.1
Trailing P/E 56.6 15.3
Revenue (TTM) — —
Revenue Growth 0.2% 0.4%
Gross Margin 0.6% 0.5%
Operating Margin 0.4% 0.4%
EPS 3.49 26.92
Dividend Yield 0.00% 0.00%

Frequently Asked Questions

Based on our detailed analysis, WDC is currently the stronger investment candidate based on our comprehensive scoring model.

We analyze revenue and earnings growth rates in the "Growth" section above. Generally, the company with higher year-over-year revenue and EPS growth is fostering better expansion. Check the table above for the specific growth percentages.

Valuation is determined by metrics like the P/E Ratio and PEG Ratio. A lower P/E typically suggests a stock is cheaper relative to its earnings. Refer to the "Valuation" section in our comparison table to see which stock currently trades at a more attractive multiple.