SMFG vs KB vs MFG vs SHG

For growth investors, KB Financial Group Inc.

(KB) is the stronger pick with 34. 2% revenue growth year-over-year, versus 9. 5% for Mizuho Financial Group, Inc. (MFG). Shinhan Financial Group Co. , Ltd. (SHG) offers the better valuation at 9. 5x trailing P/E (0. 0x forward), making it the more compelling value choice. Analysts rate Shinhan Financial Group Co. , Ltd. (SHG) a "Buy" — based on 2 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Shinhan Financial Group Co.

, Ltd. (SHG) is the cheapest at 9. 5x versus Mizuho Financial Group, Inc. at 19. 3x. On forward P/E, Shinhan Financial Group Co. , Ltd. is actually cheaper at 0. 0x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: KB Financial Group Inc. wins at 0. 00x versus Sumitomo Mitsui Financial Group, Inc. 's 0. 01x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Sumitomo Mitsui Financial Group, Inc.

(SMFG) delivered a total return of +218. 8%, compared to +103. 5% for Shinhan Financial Group Co. , Ltd. (SHG). Over 10 years, the gap is even starker: KB returned +355. 3% versus SHG's +148. 9%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Shinhan Financial Group Co.

, Ltd. (SHG) is the lower-risk stock at 0. 89β versus KB Financial Group Inc. 's 1. 22β — meaning KB is approximately 37% more volatile than SHG relative to the S&P 500. On balance sheet safety, Shinhan Financial Group Co. , Ltd. (SHG) carries a lower debt/equity ratio of 3% versus 6% for Mizuho Financial Group, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), KB Financial Group Inc.

(KB) is pulling ahead at 34. 2% versus 9. 5% for Mizuho Financial Group, Inc. (MFG). On earnings-per-share growth, the picture is similar: Mizuho Financial Group, Inc. grew EPS 30. 7% year-over-year, compared to 20. 1% for KB Financial Group Inc.. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Shinhan Financial Group Co.

, Ltd. (SHG) is the more profitable company, earning 12. 7% net margin versus 10. 3% for Mizuho Financial Group, Inc. — meaning it keeps 12. 7% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: SHG leads at 17. 9% versus 13. 8% for MFG. At the gross margin level — before operating expenses — SHG leads at 53. 3%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, KB Financial Group Inc. (KB) is the more undervalued stock at a PEG of 0. 00x versus Sumitomo Mitsui Financial Group, Inc. 's 0. 01x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Shinhan Financial Group Co. , Ltd. (SHG) trades at 0. 0x forward P/E versus 0. 1x for Mizuho Financial Group, Inc. — 0. 1x cheaper on a one-year earnings basis.

In this comparison, SMFG (3.

1% yield), SHG (2. 7% yield), MFG (1. 8% yield) pay a dividend. KB does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Shinhan Financial Group Co.

, Ltd. (SHG) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 89), 2. 7% yield, +148. 9% 10Y return). Both have compounded well over 10 years (SHG: +148. 9%, KB: +355. 3%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Financial Services sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: SMFG is a mid-cap deep-value stock; KB is a mid-cap high-growth stock; MFG is a mid-cap quality compounder stock; SHG is a mid-cap deep-value stock. SMFG, MFG, SHG pay a dividend while KB does not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.