National Grid PLC ADR (NGG)vsSonos Inc (SONO)
NGG
National Grid PLC ADR
$85.91
-2.21%
UTILITIES · Cap: $88.05B
SONO
Sonos Inc
$15.06
+1.14%
TECHNOLOGY · Cap: $1.77B
Smart Verdict
WallStSmart Research — data-driven comparison
National Grid PLC ADR generates 1098% more annual revenue ($17.48B vs $1.46B). NGG leads profitability with a 16.4% profit margin vs 1.6%. NGG trades at a lower P/E of 22.0x. NGG earns a higher WallStSmart Score of 50/100 (C-).
NGG
Buy50
out of 100
Grade: C-
SONO
Hold45
out of 100
Grade: D+
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Intrinsic value data unavailable for NGG.
Margin of Safety
+43.7%
Fair Value
$29.31
Current Price
$15.06
$14.25 discount
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Large-cap with strong market position
Strong operational efficiency at 24.1%
Earnings expanding 87.5% YoY
Areas to Watch
Trading at 8.6x book value
ROE of 7.9% — below average capital efficiency
Elevated debt levels
Revenue declined 11.3%
Smaller company, higher risk/reward
ROE of 6.2% — below average capital efficiency
1.6% margin — thin
Premium valuation, high expectations priced in
Comparative Analysis Report
WallStSmart ResearchBull Case : NGG
The strongest argument for NGG centers on Market Cap, Operating Margin. Profitability is solid with margins at 16.4% and operating margin at 24.1%. PEG of 1.10 suggests the stock is reasonably priced for its growth.
Bull Case : SONO
The strongest argument for SONO centers on EPS Growth.
Bear Case : NGG
The primary concerns for NGG are Price/Book, Return on Equity, Debt/Equity.
Bear Case : SONO
The primary concerns for SONO are Market Cap, Return on Equity, Profit Margin. A P/E of 87.6x leaves little room for execution misses. Thin 1.6% margins leave little buffer for downturns.
Key Dynamics to Monitor
NGG profiles as a declining stock while SONO is a value play — different risk/reward profiles.
SONO carries more volatility with a beta of 1.94 — expect wider price swings.
SONO is growing revenue faster at 8.4% — sustainability is the question.
SONO generates stronger free cash flow (-70M), providing more financial flexibility.
Bottom Line
NGG scores higher overall (50/100 vs 45/100), backed by strong 16.4% margins. SONO offers better value entry with a 43.7% margin of safety. 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.
National Grid PLC ADR
UTILITIES · UTILITIES - REGULATED ELECTRIC · USA
National Grid plc transmits and distributes electricity and natural gas. The company is headquartered in London, the United Kingdom.
Visit Website →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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