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KEY vs. MFG: KeyCorp vs. Mizuho Financial Stock Comparison

How do KeyCorp (KEY) and Mizuho Financial (MFG) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

KeyCorp (KEY) and Mizuho Financial (MFG) are both classified in the Diversified Banks sub-industry within the broader Banks industry, placing them in the closest GICS peer bucket.

KeyCorp (KEY) trades as ordinary local shares, while Mizuho Financial (MFG) trades as an ADR — compare with FX exposure, depositary-program fees, and dividend-withholding-tax differences in mind.

Company profile comparison for KeyCorp (KEY) and Mizuho Financial (MFG)
Profile ItemKEYMFG
NameKeyCorpMizuho Financial Group, Inc. American Depositary Receipts
Country/RegionUnited StatesJapan
GICS SectorFinancialsFinancials
GICS Industry GroupBanksBanks
GICS IndustryBanksBanks
GICS Sub-IndustryDiversified BanksDiversified Banks
Market Capitalization22.02 billion USD113.48 billion USD
CurrencyUSDUSD
ExchangeNYSENYSE
Listing DateNovember 5, 1987November 8, 2006
Security TypeCommon StockADR

Price Performance

Cumulative Growth

KEY
MFG
GSPC
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KeyCorp (KEY) vs. Mizuho Financial (MFG), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for KeyCorp (KEY) and Mizuho Financial (MFG). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for KeyCorp (KEY) and Mizuho Financial (MFG). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for KeyCorp (KEY) and Mizuho Financial (MFG)
MetricKEYMFG
Total Return (1Y)24.10%46.98%
Total Return (3Y, Annualized)31.53%47.92%
Total Return (5Y, Annualized)3.00%30.77%

Risk Profile

Drawdown History

KEY
MFG
GSPC
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KeyCorp (KEY) vs. Mizuho Financial (MFG), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for KeyCorp (KEY) and Mizuho Financial (MFG). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for KeyCorp (KEY) and Mizuho Financial (MFG)
MetricKEYMFG
Volatility (1Y, Annualized)23.07%33.78%
Beta (5Y)1.060.58
Max Drawdown (5Y)-65.23%-28.34%
Avg. Volume (3M)14.36M3.45M

Risk-Adjusted Performance

Risk-Return Positioning

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KEY and MFG are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for KeyCorp (KEY) and Mizuho Financial (MFG)
MetricKEYMFG
Sharpe Ratio (1Y)0.861.26
Sortino Ratio (1Y)1.251.92

Profitability

ROE (TTM)

Both KeyCorp (KEY) at 11.17% and Mizuho Financial (MFG) at 12.49% land near their industries’ usual ROE ranges, so capital efficiency looks broadly in line with peers on both sides.

KEY

Banks industry group

11.17%

Max
19.84%
Q3
13.67%
Median
11.49%
KEY
11.17%
Q1
9.50%
Min
3.64%

MFG

Banks industry group

12.49%

Max
19.84%
Q3
13.67%
MFG
12.49%
Median
11.49%
Q1
9.50%
Min
3.64%
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KeyCorp (KEY) vs. Mizuho Financial (MFG): A comparison of their ROE against the Banks industry group benchmark.

Net Margin (TTM)

Both KeyCorp (KEY) at 27.99% and Mizuho Financial (MFG) at 29.14% keep about the typical share of revenue as profit for their industries — neither bottom line stands out from peers.

KEY

Banks industry group

27.99%

Max
47.19%
Q3
35.25%
Median
31.21%
KEY
27.99%
Q1
27.11%
Min
14.93%

MFG

Banks industry group

29.14%

Max
47.19%
Q3
35.25%
Median
31.21%
MFG
29.14%
Q1
27.11%
Min
14.93%
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KeyCorp (KEY) vs. Mizuho Financial (MFG): A comparison of their net margin against the Banks industry group benchmark.

Operating Margin (TTM)

Neither side reports a meaningful operating margin: for KeyCorp (KEY) in Banks and Mizuho Financial (MFG) in Banks, funding costs are part of the core business, so net margin and ROE are the cleaner profitability reads.

Profitability Metrics

Profitability metrics for KeyCorp (KEY) and Mizuho Financial (MFG)
MetricKEYMFG
ROE (TTM)11.17%12.49%
ROA (TTM)1.11%0.48%
Net Margin (TTM)27.99%29.14%
Operating Margin (TTM)----
Gross Margin (TTM)----

Growth

Revenue Growth

KeyCorp (KEY) at 65.72% clears its industry range for revenue growth, far stronger top-line momentum than Mizuho Financial (MFG) at 15.82%, which is closer to a typical peer reading.

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KeyCorp (KEY) vs. Mizuho Financial (MFG): A comparison of their Revenue Growth across different time periods.

EPS Growth

Only one side can be read here: Mizuho Financial (MFG) reports EPS growth of 43.61%, ranked against its industry; KeyCorp (KEY) has no EPS growth figure this period.

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KeyCorp (KEY) vs. Mizuho Financial (MFG): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for KeyCorp (KEY) and Mizuho Financial (MFG)
MetricKEYMFG
Revenue Growth (YoY)65.72%15.82%
Revenue Growth (3Y CAGR)1.21%16.50%
EPS Growth (YoY)--43.61%
EPS Growth (3Y CAGR)-7.65%31.89%

Financial Strength

Current Ratio (MRQ)

current ratio doesn’t apply on either side: KeyCorp (KEY) in Banks and Mizuho Financial (MFG) in Banks both report balance sheets without a current/non-current split, so their short-term liquidity is better judged through regulatory and funding measures.

Debt / Equity (MRQ)

debt-to-equity ratio is set aside for both: KeyCorp (KEY) in Banks and Mizuho Financial (MFG) in Banks run businesses where balance-sheet leverage is part of the model, so capital-adequacy and funding measures are the better gauges of balance-sheet risk.

Financial Strength Metrics

Financial strength metrics for KeyCorp (KEY) and Mizuho Financial (MFG)
MetricKEYMFG
Current Ratio (MRQ)----
Debt / Equity (MRQ)----
Net Debt / EBITDA----

Dividends

Dividend Yield (TTM)

KeyCorp (KEY) at 3.91% earns its spot in the top quartile of its industry’s yields; Mizuho Financial (MFG) at 1,544.20% is past the top of its own peer range — territory where a dividend-safety check matters more than the headline number.

KEY

Banks industry group

3.91%

Max
5.79%
KEY
3.91%
Q3
3.18%
Median
2.39%
Q1
1.20%
Min
0.00%

MFG

Banks industry group

1,544.20%

MFG
1,544.20%
Max
5.79%
Q3
3.18%
Median
2.39%
Q1
1.20%
Min
0.00%
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KeyCorp (KEY) vs. Mizuho Financial (MFG): A comparison of their dividend yield against the Banks industry group benchmark.

Dividend Payout Ratio (TTM)

Mizuho Financial (MFG) at 24.88% pays out a band-typical share of earnings, while KeyCorp (KEY) at 45.05% distributes more than its industry norm — less retained, thinner cover.

KEY

Banks industry group

45.05%

Max
70.75%
KEY
45.05%
Q3
41.28%
Median
29.26%
Q1
18.98%
Min
0.00%

MFG

Banks industry group

24.88%

Max
70.75%
Q3
41.28%
Median
29.26%
MFG
24.88%
Q1
18.98%
Min
0.00%
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KeyCorp (KEY) vs. Mizuho Financial (MFG): A comparison of their payout ratio against the Banks industry group benchmark.

Dividend Metrics

Dividend metrics for KeyCorp (KEY) and Mizuho Financial (MFG)
MetricKEYMFG
Dividend Yield (TTM)3.91%1,544.20%
Dividend Payout Ratio (TTM)45.05%24.88%

Valuation

P/E Ratio (TTM)

Both KeyCorp (KEY) at 11.46 and Mizuho Financial (MFG) at 12.88 land around their industries’ usual P/E ratio levels — neither is getting a clear earnings-multiple discount or premium versus peers.

KEY

Banks industry group

11.46

Max
18.16
Q3
13.75
Median
11.81
KEY
11.46
Q1
10.64
Min
6.49

MFG

Banks industry group

12.88

Max
18.16
Q3
13.75
MFG
12.88
Median
11.81
Q1
10.64
Min
6.49
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KeyCorp (KEY) vs. Mizuho Financial (MFG): A comparison of their P/E ratio against the Banks industry group benchmark.

P/S Ratio (TTM)

P/S ratio is set aside for both KeyCorp (KEY) in Banks and Mizuho Financial (MFG) in Banks: without a conventional revenue line, pricing per dollar of sales isn’t meaningful, and book- or earnings-based multiples make the better comparison.

P/B Ratio (MRQ)

On P/B ratio, both KeyCorp (KEY) at 1.39 and Mizuho Financial (MFG) at 1.57 are valued close to their industries’ norm against book — neither stands out from peers.

KEY

Banks industry group

1.39

Max
2.28
Q3
1.58
KEY
1.39
Median
1.32
Q1
1.10
Min
0.59

MFG

Banks industry group

1.57

Max
2.28
Q3
1.58
MFG
1.57
Median
1.32
Q1
1.10
Min
0.59
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KeyCorp (KEY) vs. Mizuho Financial (MFG): A comparison of their P/B ratio against the Banks industry group benchmark.

Valuation Metrics

Valuation metrics for KeyCorp (KEY) and Mizuho Financial (MFG)
MetricKEYMFG
P/E Ratio (TTM)11.4612.88
P/S Ratio (TTM)----
P/B Ratio (MRQ)1.391.57
Free Cash Flow Yield (TTM)----