WallStSmart

Costco Wholesale Corp (COST)vsAT&T Inc. (T)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Costco Wholesale Corp generates 126% more annual revenue ($286.27B vs $126.53B). T leads profitability with a 16.9% profit margin vs 3.0%. T appears more attractively valued with a PEG of 1.81. T earns a higher WallStSmart Score of 64/100 (C+).

COST

Buy

61

out of 100

Grade: C+

Growth: 8.0Profit: 6.5Value: 2.0Quality: 7.5
Piotroski: 4/9Altman Z: 4.84

T

Buy

64

out of 100

Grade: C+

Growth: 3.3Profit: 7.5Value: 7.3Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

COSTSignificantly Overvalued (-89.1%)

Margin of Safety

-89.1%

Fair Value

$535.26

Current Price

$1008.79

$473.53 premium

UndervaluedFair: $535.26Overvalued
TUndervalued (+21.5%)

Margin of Safety

+21.5%

Fair Value

$32.17

Current Price

$25.16

$7.01 discount

UndervaluedFair: $32.17Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

COST6 strengths · Avg: 9.0/10
Market CapQuality
$449.00B10/10

Mega-cap, among the largest globally

Altman Z-ScoreHealth
4.8410/10

Safe zone — low bankruptcy risk

Return on EquityProfitability
29.6%9/10

Every $100 of equity generates 30 in profit

Debt/EquityHealth
0.279/10

Conservative balance sheet, low leverage

Revenue GrowthGrowth
21.5%8/10

Revenue surging 21.5% year-over-year

EPS GrowthGrowth
45.5%8/10

Earnings expanding 45.5% YoY

T5 strengths · Avg: 8.6/10
P/E RatioValuation
8.3x10/10

Attractively priced relative to earnings

Market CapQuality
$175.52B9/10

Large-cap with strong market position

Price/BookValuation
1.6x8/10

Reasonable price relative to book value

Operating MarginProfitability
22.7%8/10

Strong operational efficiency at 22.7%

Free Cash FlowQuality
$2.68B8/10

Generating 2.7B in free cash flow

Areas to Watch

COST4 concerns · Avg: 2.5/10
Profit MarginProfitability
3.0%3/10

3.0% margin — thin

Operating MarginProfitability
3.7%3/10

Operating margin of 3.7%

PEG RatioValuation
5.142/10

Expensive relative to growth rate

P/E RatioValuation
52.6x2/10

Premium valuation, high expectations priced in

T3 concerns · Avg: 3.3/10
PEG RatioValuation
1.814/10

Expensive relative to growth rate

Revenue GrowthGrowth
2.9%4/10

2.9% revenue growth

EPS GrowthGrowth
-11.3%2/10

Earnings declined 11.3%

Comparative Analysis Report

WallStSmart Research

Bull Case : COST

The strongest argument for COST centers on Market Cap, Altman Z-Score, Return on Equity. Revenue growth of 21.5% demonstrates continued momentum.

Bull Case : T

The strongest argument for T centers on P/E Ratio, Market Cap, Price/Book. Profitability is solid with margins at 16.9% and operating margin at 22.7%.

Bear Case : COST

The primary concerns for COST are Profit Margin, Operating Margin, PEG Ratio. A P/E of 52.6x leaves little room for execution misses. Thin 3.0% margins leave little buffer for downturns.

Bear Case : T

The primary concerns for T are PEG Ratio, Revenue Growth, EPS Growth.

Key Dynamics to Monitor

COST profiles as a growth stock while T is a value play — different risk/reward profiles.

COST carries more volatility with a beta of 0.91 — expect wider price swings.

COST is growing revenue faster at 21.5% — sustainability is the question.

T generates stronger free cash flow (2.7B), providing more financial flexibility.

Bottom Line

T scores higher overall (64/100 vs 61/100), backed by strong 16.9% margins. Both earn "Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

Costco Wholesale Corp

CONSUMER DEFENSIVE · DISCOUNT STORES · USA

Costco Wholesale Corporation (doing business as Costco Wholesale and also known simply as Costco) is an American multinational corporation which operates a chain of membership-only (needing a membership to shop there) big-box retail stores. As of 2020, Costco was the fifth largest retailer in the world, and the world's largest retailer of choice and prime beef, organic foods, rotisserie chicken, and wine as of 2016.

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AT&T Inc.

COMMUNICATION SERVICES · TELECOM SERVICES · USA

AT&T Inc. is an American multinational conglomerate holding company, Delaware-registered but headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the world largest telecommunications company, and the second largest provider of mobile telephone services.

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