WallStSmart

CoStar Group Inc (CSGP)vsAT&T Inc. 5.35% GLB NTS 66 (TBB)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

CSGP leads profitability with a 2.1% profit margin vs 0.0%. TBB trades at a lower P/E of 3.8x. CSGP earns a higher WallStSmart Score of 63/100 (C+).

CSGP

Buy

63

out of 100

Grade: C+

Growth: 8.7Profit: 4.5Value: 7.3Quality: 8.0
Piotroski: 2/9Altman Z: 3.10

TBB

Avoid

25

out of 100

Grade: F

Growth: 4.0Profit: 5.0Value: 6.7Quality: 3.5
Piotroski: 5/9Altman Z: 0.87
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

CSGPUndervalued (+89.4%)

Margin of Safety

+89.4%

Fair Value

$451.36

Current Price

$30.46

$420.90 discount

UndervaluedFair: $451.36Overvalued

Intrinsic value data unavailable for TBB.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

CSGP6 strengths · Avg: 9.2/10
PEG RatioValuation
0.1510/10

Growing faster than its price suggests

EPS GrowthGrowth
1261.0%10/10

Earnings expanding 1261.0% YoY

Altman Z-ScoreHealth
3.1010/10

Safe zone — low bankruptcy risk

Debt/EquityHealth
0.159/10

Conservative balance sheet, low leverage

Price/BookValuation
1.6x8/10

Reasonable price relative to book value

Revenue GrowthGrowth
18.4%8/10

18.4% revenue growth

TBB3 strengths · Avg: 9.0/10
P/E RatioValuation
3.8x10/10

Attractively priced relative to earnings

Market CapQuality
$132.56B9/10

Large-cap with strong market position

Free Cash FlowQuality
$5.17B8/10

Generating 5.2B in free cash flow

Areas to Watch

CSGP4 concerns · Avg: 2.8/10
Return on EquityProfitability
0.9%3/10

ROE of 0.9% — below average capital efficiency

Profit MarginProfitability
2.1%3/10

2.1% margin — thin

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

P/E RatioValuation
178.6x2/10

Premium valuation, high expectations priced in

TBB4 concerns · Avg: 3.5/10
Revenue GrowthGrowth
0.0%4/10

0.0% revenue growth

EPS GrowthGrowth
0.0%4/10

0.0% earnings growth

Profit MarginProfitability
0.0%3/10

0.0% margin — thin

Operating MarginProfitability
0.0%3/10

Operating margin of 0.0%

Comparative Analysis Report

WallStSmart Research

Bull Case : CSGP

The strongest argument for CSGP centers on PEG Ratio, EPS Growth, Altman Z-Score. Revenue growth of 18.4% demonstrates continued momentum. PEG of 0.15 suggests the stock is reasonably priced for its growth.

Bull Case : TBB

The strongest argument for TBB centers on P/E Ratio, Market Cap, Free Cash Flow.

Bear Case : CSGP

The primary concerns for CSGP are Return on Equity, Profit Margin, Piotroski F-Score. A P/E of 178.6x leaves little room for execution misses. Thin 2.1% margins leave little buffer for downturns.

Bear Case : TBB

The primary concerns for TBB are Revenue Growth, EPS Growth, Profit Margin.

Key Dynamics to Monitor

CSGP profiles as a growth stock while TBB is a value play — different risk/reward profiles.

CSGP is growing revenue faster at 18.4% — sustainability is the question.

TBB generates stronger free cash flow (5.2B), providing more financial flexibility.

Monitor REAL ESTATE SERVICES industry trends, competitive dynamics, and regulatory changes.

Bottom Line

CSGP scores higher overall (63/100 vs 25/100) and 18.4% revenue growth. Both earn "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.

CoStar Group Inc

REAL ESTATE · REAL ESTATE SERVICES · USA

CoStar Group, Inc. provides online market information, analysis and services to the commercial real estate, hospitality, residential and related professional industries in the United States, Canada, Europe, Asia Pacific and Latin America. The company is headquartered in Washington, the District of Columbia.

AT&T Inc. 5.35% GLB NTS 66

REAL ESTATE · REIT - RESIDENTIAL · USA

AT&T Inc. provides digital entertainment communications and services. The company is headquartered in Dallas, Texas.

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