SMFG vs MFG

For growth investors, Sumitomo Mitsui Financial Group, Inc.

(SMFG) is the stronger pick with 10. 2% revenue growth year-over-year, versus 9. 5% for Mizuho Financial Group, Inc. (MFG). Sumitomo Mitsui Financial Group, Inc. (SMFG) offers the better valuation at 11. 4x trailing P/E (0. 1x forward), making it the more compelling value choice. Analysts rate Sumitomo Mitsui Financial Group, Inc. (SMFG) a "Hold" — based on 4 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, Sumitomo Mitsui Financial Group, Inc.

(SMFG) is the cheapest at 11. 4x versus Mizuho Financial Group, Inc. at 19. 7x. On forward P/E, Sumitomo Mitsui Financial Group, Inc. is actually cheaper at 0. 1x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Mizuho Financial Group, Inc. wins at 0. 01x 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 +225. 2%, compared to +220. 7% for Mizuho Financial Group, Inc. (MFG). Over 10 years, the gap is even starker: SMFG returned +320. 1% versus MFG's +246. 0%. 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), Sumitomo Mitsui Financial Group, Inc.

(SMFG) is the lower-risk stock at 1. 11β versus Mizuho Financial Group, Inc. 's 1. 12β — meaning MFG is approximately 1% more volatile than SMFG relative to the S&P 500. On balance sheet safety, Sumitomo Mitsui Financial Group, Inc. (SMFG) carries a lower debt/equity ratio of 4% versus 6% for Mizuho Financial Group, Inc. — giving it more financial flexibility in a downturn.

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

(SMFG) is pulling ahead at 10. 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 26. 1% for Sumitomo Mitsui 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.

Sumitomo Mitsui Financial Group, Inc.

(SMFG) is the more profitable company, earning 12. 2% net margin versus 10. 3% for Mizuho Financial Group, Inc. — meaning it keeps 12. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: SMFG leads at 17. 6% versus 13. 8% for MFG. At the gross margin level — before operating expenses — SMFG leads at 48. 9%, 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, Mizuho Financial Group, Inc. (MFG) is the more undervalued stock at a PEG of 0. 01x 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, Sumitomo Mitsui Financial Group, Inc. (SMFG) trades at 0. 1x forward P/E versus 0. 1x for Mizuho Financial Group, Inc. — 0. 0x cheaper on a one-year earnings basis.

All stocks in this comparison pay dividends.

Sumitomo Mitsui Financial Group, Inc. (SMFG) offers the highest yield at 3. 1%, versus 1. 7% for Mizuho Financial Group, Inc. (MFG).

For long-horizon retirement investors, Sumitomo Mitsui Financial Group, Inc.

(SMFG) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1. 11), 3. 1% yield, +320. 1% 10Y return). Both have compounded well over 10 years (SMFG: +320. 1%, MFG: +246. 0%), 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; MFG is a mid-cap quality compounder stock. 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.