WallStSmart

Amkor Technology Inc (AMKR)vsSonos Inc (SONO)

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Smart Verdict

WallStSmart Research — data-driven comparison

Amkor Technology Inc generates 401% more annual revenue ($7.46B vs $1.49B). AMKR leads profitability with a 8.3% profit margin vs 3.8%. AMKR trades at a lower P/E of 16.1x. AMKR earns a higher WallStSmart Score of 64/100 (C+).

AMKR

Buy

64

out of 100

Grade: C+

Growth: 5.3Profit: 6.0Value: 6.0Quality: 6.5
Piotroski: 2/9Altman Z: 2.55

SONO

Hold

47

out of 100

Grade: D+

Growth: 6.0Profit: 4.5Value: 3.7Quality: 7.0
Piotroski: 3/9Altman Z: 2.04
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

AMKRSignificantly Overvalued (-87.2%)

Margin of Safety

-87.2%

Fair Value

$22.55

Current Price

$41.21

$18.66 premium

UndervaluedFair: $22.55Overvalued
SONOSignificantly Overvalued (-32.2%)

Margin of Safety

-32.2%

Fair Value

$12.48

Current Price

$17.75

$5.27 premium

UndervaluedFair: $12.48Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

AMKR4 strengths · Avg: 8.0/10
PEG RatioValuation
0.768/10

Growing faster than its price suggests

P/E RatioValuation
16.1x8/10

Attractively priced relative to earnings

Price/BookValuation
2.1x8/10

Reasonable price relative to book value

EPS GrowthGrowth
49.0%8/10

Earnings expanding 49.0% YoY

SONO2 strengths · Avg: 9.5/10
EPS GrowthGrowth
87.5%10/10

Earnings expanding 87.5% YoY

Debt/EquityHealth
0.129/10

Conservative balance sheet, low leverage

Areas to Watch

AMKR2 concerns · Avg: 3.5/10
Revenue GrowthGrowth
0.2%4/10

0.2% revenue growth

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

SONO4 concerns · Avg: 3.3/10
P/E RatioValuation
38.5x4/10

Premium valuation, high expectations priced in

Return on EquityProfitability
6.2%3/10

ROE of 6.2% — below average capital efficiency

Profit MarginProfitability
3.8%3/10

3.8% margin — thin

Operating MarginProfitability
4.4%3/10

Operating margin of 4.4%

Comparative Analysis Report

WallStSmart Research

Bull Case : AMKR

The strongest argument for AMKR centers on PEG Ratio, P/E Ratio, Price/Book. PEG of 0.76 suggests the stock is reasonably priced for its growth.

Bull Case : SONO

The strongest argument for SONO centers on EPS Growth, Debt/Equity.

Bear Case : AMKR

The primary concerns for AMKR are Revenue Growth, Piotroski F-Score.

Bear Case : SONO

The primary concerns for SONO are P/E Ratio, Return on Equity, Profit Margin. Thin 3.8% margins leave little buffer for downturns.

Key Dynamics to Monitor

AMKR carries more volatility with a beta of 2.22 — expect wider price swings.

SONO is growing revenue faster at 8.8% — sustainability is the question.

SONO generates stronger free cash flow (40M), providing more financial flexibility.

Monitor SEMICONDUCTOR EQUIPMENT & MATERIALS industry trends, competitive dynamics, and regulatory changes.

Bottom Line

AMKR scores higher overall (64/100 vs 47/100). Both earn "Buy" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.

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

Amkor Technology Inc

TECHNOLOGY · SEMICONDUCTOR EQUIPMENT & MATERIALS · USA

Amkor Technology, Inc. provides outsourced semiconductor packaging and testing services in the United States, Japan, Europe, the Middle East, Africa, and the rest of Asia Pacific. The company is headquartered in Tempe, Arizona.

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Sonos Inc

TECHNOLOGY · CONSUMER ELECTRONICS · USA

Sonos, Inc. designs, develops, manufactures, and sells multi-room audio products in the Americas, Europe, the Middle East, Africa, and Asia Pacific. The company is headquartered in Santa Barbara, California.

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