FSPCX vs. RMBKX

Last updated Jun 4, 2026

FSPCX (Fidelity Select Insurance Portfolio) and RMBKX (RMB Mendon Financial Services Fund) are both Financials Equities funds. Over the past 10 years, FSPCX returned 11.52%/yr vs 10.38%/yr for RMBKX. A 0.66 correlation means they provide meaningful diversification when combined. FSPCX charges 0.78%/yr vs 1.27%/yr for RMBKX.

Performance

FSPCX vs. RMBKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Select Insurance Portfolio (FSPCX) 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, FSPCX achieves a -5.11% return, which is significantly lower than RMBKX's 8.77% return. Over the past 10 years, FSPCX has outperformed RMBKX with an annualized return of 11.52%, while RMBKX has yielded a comparatively lower 10.38% annualized return.

FSPCX

• 1D: 0.38%
• 1M: -1.62%
• YTD: -5.11%
• 6M: -1.61%
• 1Y: -9.24%
• 3Y*: 12.95%
• 5Y*: 10.30%
• 10Y*: 11.52%

RMBKX

• 1D: 1.24%
• 1M: 1.49%
• YTD: 8.77%
• 6M: 12.83%
• 1Y: 30.64%
• 3Y*: 22.08%
• 5Y*: 6.42%
• 10Y*: 10.38%

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

FSPCX vs. RMBKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FSPCX Fidelity Select Insurance Portfolio	-5.11%	3.45%	28.44%	12.98%	7.75%	29.26%	0.00%	30.06%	-11.99%	15.50%
RMBKX RMB Mendon Financial Services Fund	8.77%	12.84%	17.07%	4.56%	-19.18%	56.40%	-5.73%	22.82%	-17.13%	12.17%

Correlation

The correlation between FSPCX and RMBKX is 0.47, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.47
Correlation (3Y) Calculated over the trailing 3-year period	0.46
Correlation (5Y) Calculated over the trailing 5-year period	0.58
Correlation (10Y) Calculated over the trailing 10-year period	0.65
Correlation (All Time) Calculated using the full available price history since Aug 6, 2012	0.66

The correlation between FSPCX and RMBKX shifts across timeframes, from 0.46 (3 years) to 0.66 (all time), reflecting how their relationship changes across market environments.

Return for Risk

FSPCX vs. RMBKX — Risk / Return Rank

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

FSPCX

FSPCX Risk / Return Rank: 1
FSPCX Sharpe Ratio Rank: 1
FSPCX Sortino Ratio Rank: 1
FSPCX Omega Ratio Rank: 1
FSPCX Calmar Ratio Rank: 0
FSPCX Martin Ratio Rank: 0

RMBKX

RMBKX Risk / Return Rank: 42
RMBKX Sharpe Ratio Rank: 31
RMBKX Sortino Ratio Rank: 30
RMBKX Omega Ratio Rank: 29
RMBKX Calmar Ratio Rank: 77
RMBKX Martin Ratio Rank: 43

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.

FSPCX vs. RMBKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Select Insurance Portfolio (FSPCX) 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.

	FSPCX	RMBKX	Difference
Sharpe ratio: Return per unit of total volatility	-0.63	1.58	-2.21
Sortino ratio: Return per unit of downside risk	-0.78	2.27	-3.04
Omega ratio: Gain probability vs. loss probability	0.91	1.28	-0.38
Calmar ratio: Return relative to maximum drawdown	-0.84	3.46	-4.31
Martin ratio: Return relative to average drawdown	-1.47	9.13	-10.61
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FSPCX vs. RMBKX - Sharpe Ratio Comparison

The current FSPCX Sharpe Ratio is -0.63, which is lower than the RMBKX Sharpe Ratio of 1.58. The chart below compares the historical Sharpe Ratios of FSPCX 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.

Sharpe Ratios by Period

	FSPCX	RMBKX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.63	1.58	-2.21
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.59	0.26	+0.33
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.58	0.38	+0.19
Sharpe Ratio (All Time) Calculated using the full available price history	0.55	0.50	+0.05

Drawdowns

FSPCX vs. RMBKX - Drawdown Comparison

The maximum FSPCX drawdown since its inception was -69.48%, which is greater than RMBKX's maximum drawdown of -55.45%. Use the drawdown chart below to compare losses from any high point for FSPCX and RMBKX.

Drawdown Indicators

	FSPCX	RMBKX	Difference
Max Drawdown Largest peak-to-trough decline	-69.48%	-55.45%	-14.03%
Max Drawdown (1Y) Largest decline over 1 year	-10.37%	-9.48%	-0.89%
Max Drawdown (3Y) Largest decline over 3 years	-11.69%	-24.98%	+13.29%
Max Drawdown (5Y) Largest decline over 5 years	-16.65%	-44.33%	+27.68%
Max Drawdown (10Y) Largest decline over 10 years	-43.68%	-55.45%	+11.77%
Current Drawdown Current decline from peak	-9.62%	-1.31%	-8.31%
Average Drawdown Average peak-to-trough decline	-9.70%	-11.08%	+1.38%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.75%	3.59%	+3.16%

Volatility

FSPCX vs. RMBKX - Volatility Comparison

The current volatility for Fidelity Select Insurance Portfolio (FSPCX) is 4.06%, while RMB Mendon Financial Services Fund (RMBKX) has a volatility of 4.89%. This indicates that FSPCX experiences smaller price fluctuations and is considered to be less risky than RMBKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FSPCX	RMBKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.06%	4.89%	-0.83%
Volatility (6M) Calculated over the trailing 6-month period	10.61%	13.55%	-2.94%
Volatility (1Y) Calculated over the trailing 1-year period	15.27%	20.86%	-5.59%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.51%	24.85%	-7.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.09%	27.16%	-7.07%

FSPCX vs. RMBKX - Expense Ratio Comparison

FSPCX has a 0.78% expense ratio, which is lower than RMBKX's 1.27% expense ratio.

Dividends

FSPCX vs. RMBKX - Dividend Comparison

FSPCX's dividend yield for the trailing twelve months is around 4.96%, less than RMBKX's 5.72% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSPCX Fidelity Select Insurance Portfolio	4.96%	3.35%	8.72%	8.48%	0.74%	8.40%	8.80%	6.90%	32.69%	12.52%	2.81%	3.11%
RMBKX RMB Mendon Financial Services Fund	5.72%	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 FSPCX and RMBKX in my portfolio?

FSPCX and RMBKX have a correlation of 0.47, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FSPCX or RMBKX?

RMBKX has higher volatility (4.89%) compared to FSPCX (4.06%). In terms of maximum drawdown, FSPCX dropped -69.48% vs RMBKX's -55.45%.

Which has better risk-adjusted returns?

RMBKX currently has the higher Sharpe Ratio (1.58 vs -0.63), 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.