MFG vs. SMFG

Last updated Jun 4, 2026

MFG (Mizuho Financial Group, Inc.) and SMFG (Sumitomo Mitsui Financial Group, Inc.) are both stocks. Both are in the Financial Services sector — MFG in Banks - Regional, SMFG in Banks - Diversified. Over the past 10 years, MFG returned 14.73%/yr vs 18.03%/yr for SMFG. A 0.75 correlation means they provide meaningful diversification when combined.

Performance

MFG vs. SMFG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Mizuho Financial Group, Inc. (MFG) and Sumitomo Mitsui Financial Group, Inc. (SMFG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MFG achieves a 29.23% return, which is significantly higher than SMFG's 18.83% return. Over the past 10 years, MFG has underperformed SMFG with an annualized return of 14.73%, while SMFG has yielded a comparatively higher 18.03% annualized return.

MFG

• 1D: 1.94%
• 1M: 12.49%
• YTD: 29.23%
• 6M: 31.21%
• 1Y: 73.14%
• 3Y*: 50.32%
• 5Y*: 29.32%
• 10Y*: 14.73%

SMFG

• 1D: 1.01%
• 1M: 9.43%
• YTD: 18.83%
• 6M: 23.83%
• 1Y: 52.26%
• 3Y*: 44.56%
• 5Y*: 28.97%
• 10Y*: 18.03%

*Multi-year figures are annualized to reflect compound growth (CAGR)

MFG vs. SMFG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MFG Mizuho Financial Group, Inc.	29.23%	54.60%	47.85%	26.14%	17.09%	2.40%	-15.06%	3.00%	-17.58%	3.21%
SMFG Sumitomo Mitsui Financial Group, Inc.	18.83%	38.01%	54.90%	25.63%	21.70%	10.05%	-11.00%	19.47%	-22.21%	17.95%

Correlation

The correlation between MFG and SMFG is 0.86, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.86
Correlation (3Y) Calculated over the trailing 3-year period	0.85
Correlation (5Y) Calculated over the trailing 5-year period	0.82
Correlation (10Y) Calculated over the trailing 10-year period	0.78
Correlation (All Time) Calculated using the full available price history since Nov 9, 2006	0.75

The correlation between MFG and SMFG shifts across timeframes, from 0.75 (all time) to 0.86 (1 year), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap MFG : $115.41B SMFG : $144.78B
EPS MFG : $101.00 SMFG : $563.43
PE Ratio MFG : 0.09 SMFG : 0.04
PEG Ratio MFG : 0.00 SMFG : 0.00
PS Ratio MFG : 0.01 SMFG : 0.01
PB Ratio MFG : 0.01 SMFG : 0.01
Total Revenue (TTM) MFG : $8.66T SMFG : $15.42T
Gross Profit (TTM) MFG : $4.12T SMFG : $8.35T
EBITDA (TTM) MFG : $1.63T SMFG : $3.54T

Return for Risk

MFG vs. SMFG — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

MFG

MFG Risk / Return Rank: 86
MFG Sharpe Ratio Rank: 91
MFG Sortino Ratio Rank: 89
MFG Omega Ratio Rank: 87
MFG Calmar Ratio Rank: 81
MFG Martin Ratio Rank: 83

SMFG

SMFG Risk / Return Rank: 82
SMFG Sharpe Ratio Rank: 86
SMFG Sortino Ratio Rank: 84
SMFG Omega Ratio Rank: 81
SMFG Calmar Ratio Rank: 79
SMFG Martin Ratio Rank: 81

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

MFG vs. SMFG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Mizuho Financial Group, Inc. (MFG) and Sumitomo Mitsui Financial Group, Inc. (SMFG). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	MFG	SMFG	Difference
Sharpe ratio Return per unit of total volatility	2.43	1.88	+0.55
Sortino ratio Return per unit of downside risk	3.11	2.63	+0.48
Omega ratio Gain probability vs. loss probability	1.39	1.32	+0.07
Calmar ratio Return relative to maximum drawdown	2.97	2.61	+0.36
Martin ratio Return relative to average drawdown	7.91	7.43	+0.48
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MFG vs. SMFG - Sharpe Ratio Comparison

The current MFG Sharpe Ratio is 2.43, which is comparable to the SMFG Sharpe Ratio of 1.88. The chart below compares the historical Sharpe Ratios of MFG and SMFG, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	MFG	SMFG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.43	1.88	+0.55
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.00	1.01	-0.02
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.56	0.67	-0.11
Sharpe Ratio (All Time) Calculated using the full available price history	0.02	0.09	-0.07

Drawdowns

MFG vs. SMFG - Drawdown Comparison

The maximum MFG drawdown since its inception was -80.57%, roughly equal to the maximum SMFG drawdown of -77.26%. Use the drawdown chart below to compare losses from any high point for MFG and SMFG.

Drawdown Indicators

	MFG	SMFG	Difference
Max Drawdown Largest peak-to-trough decline	-80.57%	-77.26%	-3.31%
Max Drawdown (1Y) Largest decline over 1 year	-24.78%	-20.12%	-4.66%
Max Drawdown (3Y) Largest decline over 3 years	-28.33%	-25.67%	-2.66%
Max Drawdown (5Y) Largest decline over 5 years	-28.33%	-27.88%	-0.45%
Max Drawdown (10Y) Largest decline over 10 years	-49.87%	-47.66%	-2.21%
Current Drawdown Current decline from peak	-6.24%	-3.53%	-2.71%
Average Drawdown Average peak-to-trough decline	-60.91%	-48.10%	-12.81%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.28%	7.08%	+2.20%

Volatility

MFG vs. SMFG - Volatility Comparison

Mizuho Financial Group, Inc. (MFG) has a higher volatility of 9.44% compared to Sumitomo Mitsui Financial Group, Inc. (SMFG) at 7.51%. This indicates that MFG's price experiences larger fluctuations and is considered to be riskier than SMFG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MFG	SMFG	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.44%	7.51%	+1.93%
Volatility (6M) Calculated over the trailing 6-month period	23.65%	21.14%	+2.51%
Volatility (1Y) Calculated over the trailing 1-year period	30.33%	27.94%	+2.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	29.59%	28.75%	+0.84%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.47%	26.91%	-0.44%

Dividends

MFG vs. SMFG - Dividend Comparison

MFG's dividend yield for the trailing twelve months is around 0.99%, less than SMFG's 1.31% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MFG Mizuho Financial Group, Inc.	0.99%	2.68%	3.20%	3.73%	4.34%	2.76%	2.71%	0.00%	0.00%	1.86%	3.77%	3.10%
SMFG Sumitomo Mitsui Financial Group, Inc.	1.31%	2.84%	2.82%	3.67%	2.12%	0.00%	5.97%	4.61%	4.80%	3.17%	3.63%	3.32%

Financials

MFG vs. SMFG - Profitability Comparison

The chart below illustrates the profitability comparison between Mizuho Financial Group, Inc. and Sumitomo Mitsui Financial Group, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

MFG - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Mizuho Financial Group, Inc. reported a gross profit of 1.17T and revenue of 2.27T. Therefore, the gross margin over that period was 51.7%.

SMFG - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Sumitomo Mitsui Financial Group, Inc. reported a gross profit of 1.37T and revenue of 2.51T. Therefore, the gross margin over that period was 54.6%.

MFG - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Mizuho Financial Group, Inc. reported an operating income of 304.56B and revenue of 2.27T, resulting in an operating margin of 13.4%.

SMFG - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Sumitomo Mitsui Financial Group, Inc. reported an operating income of 364.07B and revenue of 2.51T, resulting in an operating margin of 14.5%.

MFG - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Mizuho Financial Group, Inc. reported a net income of 232.94B and revenue of 2.27T, resulting in a net margin of 10.3%.

SMFG - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Sumitomo Mitsui Financial Group, Inc. reported a net income of 191.66B and revenue of 2.51T, resulting in a net margin of 7.6%.

Frequently Asked Questions

Can I hold both MFG and SMFG in my portfolio?

MFG and SMFG have a correlation of 0.86, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MFG or SMFG?

MFG has higher volatility (9.44%) compared to SMFG (7.51%). In terms of maximum drawdown, MFG dropped -80.57% vs SMFG's -77.26%.

Which has better risk-adjusted returns?

MFG currently has the higher Sharpe Ratio (2.43 vs 1.88), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.