WallStSmart

Berkshire Hathaway Inc (BRK-B)vsWoori Financial Group Inc (WF)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Woori Financial Group Inc generates 2597% more annual revenue ($10.02T vs $371.44B). WF leads profitability with a 31.1% profit margin vs 18.0%. WF appears more attractively valued with a PEG of 2.46. WF earns a higher WallStSmart Score of 64/100 (C+).

BRK-B

Buy

54

out of 100

Grade: C-

Growth: 3.3Profit: 7.5Value: 5.0Quality: 8.0
Piotroski: 3/9Altman Z: 2.60

WF

Buy

64

out of 100

Grade: C+

Growth: 3.3Profit: 7.5Value: 6.3Quality: 4.0
Piotroski: 2/9Altman Z: -0.53

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

BRK-B6 strengths · Avg: 9.2/10
Market CapQuality
$1.03T10/10

Mega-cap, among the largest globally

Price/BookValuation
0.0x10/10

Reasonable price relative to book value

Operating MarginProfitability
33.0%10/10

Strong operational efficiency at 33.0%

Debt/EquityHealth
0.199/10

Conservative balance sheet, low leverage

P/E RatioValuation
15.3x8/10

Attractively priced relative to earnings

Free Cash FlowQuality
$4.99B8/10

Generating 5.0B in free cash flow

WF4 strengths · Avg: 9.5/10
P/E RatioValuation
8.3x10/10

Attractively priced relative to earnings

Profit MarginProfitability
31.1%10/10

Keeps 31 of every $100 in revenue as profit

Operating MarginProfitability
36.2%10/10

Strong operational efficiency at 36.2%

Price/BookValuation
2.3x8/10

Reasonable price relative to book value

Areas to Watch

BRK-B4 concerns · Avg: 2.3/10
Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

PEG RatioValuation
10.062/10

Expensive relative to growth rate

Revenue GrowthGrowth
-0.7%2/10

Revenue declined 0.7%

EPS GrowthGrowth
-2.5%2/10

Earnings declined 2.5%

WF4 concerns · Avg: 2.8/10
PEG RatioValuation
2.464/10

Expensive relative to growth rate

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

Revenue GrowthGrowth
-15.9%2/10

Revenue declined 15.9%

Free Cash FlowQuality
$-6.78T2/10

Negative free cash flow — burning cash

Comparative Analysis Report

WallStSmart Research

Bull Case : BRK-B

The strongest argument for BRK-B centers on Market Cap, Price/Book, Operating Margin. Profitability is solid with margins at 18.0% and operating margin at 33.0%.

Bull Case : WF

The strongest argument for WF centers on P/E Ratio, Profit Margin, Operating Margin. Profitability is solid with margins at 31.1% and operating margin at 36.2%.

Bear Case : BRK-B

The primary concerns for BRK-B are Piotroski F-Score, PEG Ratio, Revenue Growth.

Bear Case : WF

The primary concerns for WF are PEG Ratio, Piotroski F-Score, Revenue Growth.

Key Dynamics to Monitor

WF carries more volatility with a beta of 0.75 — expect wider price swings.

BRK-B is growing revenue faster at -0.7% — sustainability is the question.

BRK-B generates stronger free cash flow (5.0B), providing more financial flexibility.

Monitor INSURANCE - DIVERSIFIED industry trends, competitive dynamics, and regulatory changes.

Bottom Line

WF scores higher overall (64/100 vs 54/100), backed by strong 31.1% 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.

Berkshire Hathaway Inc

FINANCIAL SERVICES · INSURANCE - DIVERSIFIED · USA

Berkshire Hathaway Inc. is an American multinational conglomerate holding company headquartered in Omaha, Nebraska, United States. The company wholly owns GEICO, Duracell, Dairy Queen, BNSF, Lubrizol, Fruit of the Loom, Helzberg Diamonds, Long & Foster, FlightSafety International, Pampered Chef, Forest River, and NetJets, and also owns 38.6% of Pilot Flying J; and significant minority holdings in public companies Kraft Heinz Company (26.7%), American Express (18.8%), The Coca-Cola Company (9.32%), Bank of America (11.9%), and Apple (6.3%).

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Woori Financial Group Inc

FINANCIAL SERVICES · BANKS - REGIONAL · USA

Woori Financial Group Inc. is a commercial bank providing a range of financial services to individual, commercial and institutional clients in Korea. The company is headquartered in Seoul, South Korea.

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