TransAlta Corp (TAC)vsWestern Digital Corporation (WDC)
TAC
TransAlta Corp
$12.68
-2.16%
UTILITIES · Cap: $4.23B
WDC
Western Digital Corporation
$575.50
+4.79%
TECHNOLOGY · Cap: $225.26B
Smart Verdict
WallStSmart Research — data-driven comparison
Western Digital Corporation generates 432% more annual revenue ($11.78B vs $2.21B). WDC leads profitability with a 55.3% profit margin vs -7.7%. WDC appears more attractively valued with a PEG of 0.58. WDC earns a higher WallStSmart Score of 80/100 (A-).
TAC
Avoid33
out of 100
Grade: F
WDC
Exceptional Buy80
out of 100
Grade: A-
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
No standout strengths identified
Mega-cap, among the largest globally
Every $100 of equity generates 67 in profit
Keeps 55 of every $100 in revenue as profit
Strong operational efficiency at 37.0%
Revenue surging 45.5% year-over-year
Earnings expanding 482.9% YoY
Areas to Watch
Trading at 11.3x book value
Weak financial health signals
Expensive relative to growth rate
ROE of -12.1% — below average capital efficiency
Premium valuation, high expectations priced in
Distress zone — elevated risk
Trading at 27.5x book value
Comparative Analysis Report
WallStSmart ResearchBull Case : TAC
TAC has a balanced fundamental profile.
Bull Case : WDC
The strongest argument for WDC centers on Market Cap, Return on Equity, Profit Margin. Profitability is solid with margins at 55.3% and operating margin at 37.0%. Revenue growth of 45.5% demonstrates continued momentum.
Bear Case : TAC
The primary concerns for TAC are Price/Book, Piotroski F-Score, PEG Ratio. Debt-to-equity of 3.17 is elevated, increasing financial risk.
Bear Case : WDC
The primary concerns for WDC are P/E Ratio, Altman Z-Score, Price/Book.
Key Dynamics to Monitor
TAC profiles as a turnaround stock while WDC is a growth play — different risk/reward profiles.
WDC carries more volatility with a beta of 2.20 — expect wider price swings.
WDC is growing revenue faster at 45.5% — sustainability is the question.
WDC generates stronger free cash flow (978M), providing more financial flexibility.
Bottom Line
WDC scores higher overall (80/100 vs 33/100), backed by strong 55.3% margins and 45.5% revenue growth. Both earn "Exceptional Buy" and "Avoid" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
TransAlta Corp
UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA
TransAlta Corporation owns, operates and develops a diverse fleet of electric power generation assets in Canada, the United States and Australia. The company is headquartered in Calgary, Canada.
Western Digital Corporation
TECHNOLOGY · COMPUTER HARDWARE · USA
Western Digital Corporation (WDC, commonly known as Western Digital or WD) is an American computer hard disk drive manufacturer and data storage company, headquartered in San Jose, California. It designs, manufactures and sells data technology products, including storage devices, data center systems and cloud storage services.
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