WallStSmart

CoStar Group Inc (CSGP)vsMarcus & Millichap Inc (MMI)

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Smart Verdict

WallStSmart Research — data-driven comparison

CoStar Group Inc generates 344% more annual revenue ($3.67B vs $826.70M). CSGP leads profitability with a 4.9% profit margin vs 1.8%. CSGP appears more attractively valued with a PEG of 0.12. CSGP earns a higher WallStSmart Score of 63/100 (C+).

CSGP

Buy

63

out of 100

Grade: C+

Growth: 8.0Profit: 4.5Value: 7.3Quality: 7.0
Piotroski: 2/9Altman Z: 3.10

MMI

Buy

53

out of 100

Grade: C-

Growth: 6.0Profit: 4.0Value: 4.7Quality: 8.0
Piotroski: 3/9Altman Z: 3.51
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

CSGPUndervalued (+89.6%)

Margin of Safety

+89.6%

Fair Value

$460.81

Current Price

$30.10

$430.71 discount

UndervaluedFair: $460.81Overvalued
MMIUndervalued (+16.3%)

Margin of Safety

+16.3%

Fair Value

$31.19

Current Price

$24.25

$6.94 discount

UndervaluedFair: $31.19Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

CSGP5 strengths · Avg: 9.4/10
PEG RatioValuation
0.1210/10

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
1.5x8/10

Reasonable price relative to book value

MMI4 strengths · Avg: 9.3/10
EPS GrowthGrowth
332.0%10/10

Earnings expanding 332.0% YoY

Altman Z-ScoreHealth
3.5110/10

Safe zone — low bankruptcy risk

Debt/EquityHealth
0.139/10

Conservative balance sheet, low leverage

Price/BookValuation
1.6x8/10

Reasonable price relative to book value

Areas to Watch

CSGP4 concerns · Avg: 2.8/10
Return on EquityProfitability
2.2%3/10

ROE of 2.2% — below average capital efficiency

Profit MarginProfitability
4.9%3/10

4.9% margin — thin

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

P/E RatioValuation
70.5x2/10

Premium valuation, high expectations priced in

MMI4 concerns · Avg: 3.3/10
PEG RatioValuation
1.824/10

Expensive relative to growth rate

Market CapQuality
$941.58M3/10

Smaller company, higher risk/reward

Return on EquityProfitability
2.6%3/10

ROE of 2.6% — below average capital efficiency

Profit MarginProfitability
1.8%3/10

1.8% margin — thin

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 14.1% demonstrates continued momentum. PEG of 0.12 suggests the stock is reasonably priced for its growth.

Bull Case : MMI

The strongest argument for MMI centers on EPS Growth, Altman Z-Score, Debt/Equity.

Bear Case : CSGP

The primary concerns for CSGP are Return on Equity, Profit Margin, Piotroski F-Score. A P/E of 70.5x leaves little room for execution misses. Thin 4.9% margins leave little buffer for downturns.

Bear Case : MMI

The primary concerns for MMI are PEG Ratio, Market Cap, Return on Equity. A P/E of 63.6x leaves little room for execution misses. Thin 1.8% margins leave little buffer for downturns.

Key Dynamics to Monitor

MMI carries more volatility with a beta of 1.25 — expect wider price swings.

CSGP is growing revenue faster at 14.1% — sustainability is the question.

CSGP generates stronger free cash flow (106M), providing more financial flexibility.

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

Bottom Line

CSGP scores higher overall (63/100 vs 53/100) and 14.1% revenue growth. MMI offers better value entry with a 16.3% margin of safety. 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.

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.

Marcus & Millichap Inc

REAL ESTATE · REAL ESTATE SERVICES · USA

Marcus & Millichap, Inc., an investment brokerage firm, provides real estate investment brokerage and financing services to sellers and buyers of commercial real estate in the United States and Canada. The company is headquartered in Calabasas, California.

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