AMBZ vs. CPKF
AMBZ (American Business Bank) and CPKF (Chesapeake Financial Shares, Inc.) are both stocks. Both operate in the Banks - Regional industry within the Financial Services sector. Over the past 10 years, AMBZ returned 10.33%/yr vs 11.64%/yr for CPKF. At a 0.06 correlation, their price movements are largely independent.
Performance
AMBZ vs. CPKF - Performance Comparison
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Returns By Period
In the year-to-date period, AMBZ achieves a 13.29% return, which is significantly lower than CPKF's 35.14% return. Over the past 10 years, AMBZ has underperformed CPKF with an annualized return of 10.33%, while CPKF has yielded a comparatively higher 11.64% annualized return.
AMBZ
- 1D
- -0.05%
- 1M
- -0.26%
- 6M
- 15.07%
- YTD
- 13.29%
- 1Y
- 57.78%
- 3Y*
- 39.56%
- 5Y*
- 15.01%
- 10Y*
- 10.33%
CPKF
- 1D
- 0.00%
- 1M
- 10.31%
- 6M
- 35.87%
- YTD
- 35.14%
- 1Y
- 86.63%
- 3Y*
- 29.12%
- 5Y*
- 9.78%
- 10Y*
- 11.64%
AMBZ vs. CPKF - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AMBZ American Business Bank | 13.29% | 50.38% | 22.29% | -9.60% | 0.79% | 24.07% | -10.72% | 13.00% | -19.92% | 12.73% |
CPKF Chesapeake Financial Shares, Inc. | 35.14% | 51.04% | 9.04% | -7.63% | -30.78% | 43.26% | -8.23% | 19.88% | -16.64% | 41.68% |
Correlation
The correlation between AMBZ and CPKF is 0.08, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.08 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.00 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.05 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.05 |
Correlation (All Time) Calculated using the full available price history since Oct 17, 2014 | 0.06 |
Fundamentals
AMBZ:
$647.93M
CPKF:
$177.67M
AMBZ:
$6.33
CPKF:
$4.22
AMBZ:
11.50
CPKF:
8.96
AMBZ:
3.27
CPKF:
1.55
AMBZ:
1.59
CPKF:
1.30
AMBZ:
$204.45M
CPKF:
$115.04M
AMBZ:
$119.91M
CPKF:
$83.51M
AMBZ:
$80.01M
CPKF:
$24.10M
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Return for Risk
AMBZ vs. CPKF — Risk / Return Rank
AMBZ
CPKF
AMBZ vs. CPKF - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Business Bank (AMBZ) and Chesapeake Financial Shares, Inc. (CPKF). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| AMBZ | CPKF | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.04 | ||
| Sortino ratioReturn per unit of downside risk | +4.16 | ||
| Omega ratioGain probability vs. loss probability | 3.41 | 3.28 | +0.14 |
| Calmar ratioReturn relative to maximum drawdown | 28.72 | 24.82 | +3.90 |
| Martin ratioReturn relative to average drawdown | 87.14 | 101.95 | -14.81 |
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Drawdowns
AMBZ vs. CPKF - Drawdown Comparison
The maximum AMBZ drawdown since its inception was -51.52%, which is greater than CPKF's maximum drawdown of -44.32%. Use the drawdown chart below to compare losses from any high point for AMBZ and CPKF.
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Drawdown Indicators
| AMBZ | CPKF | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -51.52% | -44.32% | -7.20% |
Max Drawdown (1Y)Largest decline over 1 year | -2.02% | -3.51% | +1.49% |
Max Drawdown (3Y)Largest decline over 3 years | -22.56% | -17.83% | -4.73% |
Max Drawdown (5Y)Largest decline over 5 years | -40.69% | -44.32% | +3.63% |
Max Drawdown (10Y)Largest decline over 10 years | -51.52% | -44.32% | -7.20% |
Current DrawdownCurrent decline from peak | -0.31% | 0.00% | -0.31% |
Average DrawdownAverage peak-to-trough decline | -12.44% | -15.32% | +2.88% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.67% | 0.85% | -0.18% |
Volatility
AMBZ vs. CPKF - Volatility Comparison
The current volatility for American Business Bank (AMBZ) is 0.69%, while Chesapeake Financial Shares, Inc. (CPKF) has a volatility of 4.65%. This indicates that AMBZ experiences smaller price fluctuations and is considered to be less risky than CPKF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AMBZ | CPKF | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.69% | 4.65% | -3.96% |
Volatility (6M)Calculated over the trailing 6-month period | 7.53% | 11.02% | -3.49% |
Volatility (1Y)Calculated over the trailing 1-year period | 10.63% | 15.87% | -5.24% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.44% | 22.80% | -4.36% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.76% | 23.23% | -3.47% |
Dividends
AMBZ vs. CPKF - Dividend Comparison
AMBZ's dividend yield for the trailing twelve months is around 1.51%, less than CPKF's 1.80% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AMBZ American Business Bank | 1.51% | 1.54% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
CPKF Chesapeake Financial Shares, Inc. | 1.80% | 2.30% | 3.24% | 3.31% | 2.84% | 1.75% | 2.33% | 2.03% | 2.24% | 1.70% | 2.27% | 2.68% |
Financials
AMBZ vs. CPKF - Financials Comparison
This section allows you to compare key financial metrics between American Business Bank and Chesapeake Financial Shares, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
AMBZ vs. CPKF - Profitability Comparison
AMBZ - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, American Business Bank reported a gross profit of 41.93M and revenue of 52.29M. Therefore, the gross margin over that period was 80.2%.
CPKF - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, Chesapeake Financial Shares, Inc. reported a gross profit of 21.15M and revenue of 28.80M. Therefore, the gross margin over that period was 73.4%.
AMBZ - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, American Business Bank reported an operating income of 21.33M and revenue of 52.29M, resulting in an operating margin of 40.8%.
CPKF - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, Chesapeake Financial Shares, Inc. reported an operating income of 6.54M and revenue of 28.80M, resulting in an operating margin of 22.7%.
AMBZ - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, American Business Bank reported a net income of 15.86M and revenue of 52.29M, resulting in a net margin of 30.3%.
CPKF - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, Chesapeake Financial Shares, Inc. reported a net income of 5.39M and revenue of 28.80M, resulting in a net margin of 18.7%.
Frequently Asked Questions
AMBZ and CPKF have a correlation of 0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CPKF has higher volatility (4.65%) compared to AMBZ (0.69%). In terms of maximum drawdown, AMBZ dropped -51.52% vs CPKF's -44.32%.
CPKF currently has the higher Sharpe Ratio (5.50 vs 5.46), 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.
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