HSFNX vs. RMBKX

Last updated Jun 23, 2026

HSFNX (Hennessy Small Cap Financial Fund) and RMBKX (RMB Mendon Financial Services Fund) are both Financials Equities funds from BlackRock. Over the past 10 years, HSFNX returned 9.87%/yr vs 11.00%/yr for RMBKX. Their correlation of 0.94 suggests significant overlap in exposure. HSFNX charges 1.58%/yr vs 1.27%/yr for RMBKX.

Performance

HSFNX vs. RMBKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Hennessy Small Cap Financial Fund (HSFNX) and RMB Mendon Financial Services Fund (RMBKX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, HSFNX achieves a 10.50% return, which is significantly lower than RMBKX's 12.74% return. Over the past 10 years, HSFNX has underperformed RMBKX with an annualized return of 9.87%, while RMBKX has yielded a comparatively higher 11.00% annualized return.

HSFNX

• 1D: 0.87%
• 1M: 3.70%
• YTD: 10.50%
• 6M: 6.36%
• 1Y: 36.20%
• 3Y*: 20.18%
• 5Y*: 7.22%
• 10Y*: 9.87%

RMBKX

• 1D: 0.49%
• 1M: 4.32%
• YTD: 12.74%
• 6M: 10.66%
• 1Y: 38.99%
• 3Y*: 21.84%
• 5Y*: 8.61%
• 10Y*: 11.00%

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

HSFNX vs. RMBKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
HSFNX Hennessy Small Cap Financial Fund	10.50%	12.79%	10.76%	4.64%	-11.14%	42.76%	2.56%	19.91%	-15.88%	-0.20%
RMBKX RMB Mendon Financial Services Fund	12.74%	12.84%	17.07%	4.56%	-19.18%	56.40%	-5.73%	22.82%	-17.13%	12.17%

Correlation

The correlation between HSFNX and RMBKX is 0.94, 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	0.94
Correlation (3Y) Calculated over the trailing 3-year period	0.96
Correlation (5Y) Calculated over the trailing 5-year period	0.96
Correlation (10Y) Calculated over the trailing 10-year period	0.96
Correlation (All Time) Calculated using the full available price history since Aug 3, 2012	0.94

The correlation between HSFNX and RMBKX has been stable across timeframes, ranging from 0.94 to 0.96 - a consistent structural relationship.

Return for Risk

HSFNX vs. RMBKX — Risk / Return Rank

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

HSFNX

HSFNX Risk / Return Rank: 37
HSFNX Sharpe Ratio Rank: 33
HSFNX Sortino Ratio Rank: 32
HSFNX Omega Ratio Rank: 33
HSFNX Calmar Ratio Rank: 55
HSFNX Martin Ratio Rank: 34

RMBKX

RMBKX Risk / Return Rank: 58
RMBKX Sharpe Ratio Rank: 50
RMBKX Sortino Ratio Rank: 47
RMBKX Omega Ratio Rank: 46
RMBKX Calmar Ratio Rank: 89
RMBKX Martin Ratio Rank: 59

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.

HSFNX vs. RMBKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Hennessy Small Cap Financial Fund (HSFNX) and RMB Mendon Financial Services Fund (RMBKX). 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.

	HSFNX	RMBKX	Difference
Sharpe ratio: Return per unit of total volatility	1.55	1.91	-0.37
Sortino ratio: Return per unit of downside risk	2.17	2.68	-0.50
Omega ratio: Gain probability vs. loss probability	1.28	1.34	-0.05
Calmar ratio: Return relative to maximum drawdown	2.74	4.16	-1.42
Martin ratio: Return relative to average drawdown	7.17	11.11	-3.93

HSFNX vs. RMBKX - Sharpe Ratio Comparison

The current HSFNX Sharpe Ratio is 1.55, which is comparable to the RMBKX Sharpe Ratio of 1.91. The chart below compares the historical Sharpe Ratios of HSFNX and RMBKX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

HSFNX vs. RMBKX - Drawdown Comparison

The maximum HSFNX drawdown since its inception was -70.18%, which is greater than RMBKX's maximum drawdown of -55.45%. Use the drawdown chart below to compare losses from any high point for HSFNX and RMBKX.

Drawdown Indicators

	HSFNX	RMBKX	Difference
Max Drawdown Largest peak-to-trough decline	-70.18%	-55.45%	-14.73%
Max Drawdown (1Y) Largest decline over 1 year	-13.61%	-9.48%	-4.13%
Max Drawdown (3Y) Largest decline over 3 years	-27.33%	-24.98%	-2.35%
Max Drawdown (5Y) Largest decline over 5 years	-43.00%	-44.33%	+1.33%
Max Drawdown (10Y) Largest decline over 10 years	-50.68%	-55.45%	+4.77%
Current Drawdown Current decline from peak	-2.10%	-1.90%	-0.20%
Average Drawdown Average peak-to-trough decline	-25.98%	-11.04%	-14.94%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.18%	3.54%	+1.64%

Volatility

HSFNX vs. RMBKX - Volatility Comparison

Hennessy Small Cap Financial Fund (HSFNX) has a higher volatility of 6.55% compared to RMB Mendon Financial Services Fund (RMBKX) at 5.35%. This indicates that HSFNX's price experiences larger fluctuations and is considered to be riskier than RMBKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	HSFNX	RMBKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.55%	5.35%	+1.20%
Volatility (6M) Calculated over the trailing 6-month period	15.99%	13.74%	+2.25%
Volatility (1Y) Calculated over the trailing 1-year period	24.12%	20.63%	+3.49%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.39%	24.82%	+2.57%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.35%	27.17%	+2.18%

HSFNX vs. RMBKX - Expense Ratio Comparison

HSFNX has a 1.58% expense ratio, which is higher than RMBKX's 1.27% expense ratio.

Dividends

HSFNX vs. RMBKX - Dividend Comparison

HSFNX's dividend yield for the trailing twelve months is around 9.94%, more than RMBKX's 5.52% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
HSFNX Hennessy Small Cap Financial Fund	9.94%	10.99%	5.97%	4.63%	9.14%	0.97%	0.91%	3.43%	7.34%	8.19%	12.46%	7.38%
RMBKX RMB Mendon Financial Services Fund	5.52%	6.22%	1.90%	1.29%	17.29%	1.35%	0.00%	0.85%	5.39%	6.63%	1.50%	0.00%

Frequently Asked Questions

Can I hold both HSFNX and RMBKX in my portfolio?

With a correlation of 0.94, HSFNX and RMBKX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, HSFNX or RMBKX?

HSFNX has higher volatility (6.55%) compared to RMBKX (5.35%). In terms of maximum drawdown, HSFNX dropped -70.18% vs RMBKX's -55.45%.

Which has better risk-adjusted returns?

RMBKX currently has the higher Sharpe Ratio (1.91 vs 1.55), 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.