RMBBX vs. RMBPX

Last updated Apr 1, 2026

Compare and contrast key facts about RMB Small Cap Fund (RMBBX) and RMB Japan Fund (RMBPX).

RMBBX is managed by RMB Funds. It was launched on Aug 30, 2002. RMBPX is managed by RMB Funds. It was launched on Dec 26, 2017.

Performance

RMBBX vs. RMBPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in RMB Small Cap Fund (RMBBX) and RMB Japan Fund (RMBPX). The values are adjusted to include any dividend payments, if applicable.

RMBBX vs. RMBPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
RMBBX RMB Small Cap Fund	-3.21%	-0.06%	15.10%	18.71%	-24.78%	24.32%	17.62%	27.51%	-8.97%
RMBPX RMB Japan Fund	0.00%	-0.24%	-14.03%	19.33%	-14.50%	-2.65%	13.06%	17.64%	-17.62%

Returns By Period

RMBBX

• 1D: -0.84%
• 1M: -8.07%
• YTD: -3.21%
• 6M: -2.81%
• 1Y: 4.89%
• 3Y*: 7.55%
• 5Y*: 2.41%
• 10Y*: 8.22%

RMBPX

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

RMBBX vs. RMBPX - Expense Ratio Comparison

RMBBX has a 1.06% expense ratio, which is lower than RMBPX's 1.30% expense ratio.

RMBPX

RMB Japan Fund

RMBBX

RMB Small Cap Fund

Return for Risk

RMBBX vs. RMBPX — Risk / Return Rank

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

RMBBX

RMBBX Risk / Return Rank: 10
RMBBX Sharpe Ratio Rank: 9
RMBBX Sortino Ratio Rank: 10
RMBBX Omega Ratio Rank: 10
RMBBX Calmar Ratio Rank: 10
RMBBX Martin Ratio Rank: 11

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.

RMBBX vs. RMBPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for RMB Small Cap Fund (RMBBX) and RMB Japan Fund (RMBPX). 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.

	RMBBX	RMBPX	Difference
Sharpe ratio Return per unit of total volatility	0.22	—	—
Sortino ratio Return per unit of downside risk	0.48	—	—
Omega ratio Gain probability vs. loss probability	1.06	—	—
Calmar ratio Return relative to maximum drawdown	0.20	—	—
Martin ratio Return relative to average drawdown	0.84	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	RMBBX	RMBPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.22	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.12	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.39	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.42	—	—

Correlation

The correlation between RMBBX and RMBPX is 0.52, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

RMBBX vs. RMBPX - Dividend Comparison

RMBBX's dividend yield for the trailing twelve months is around 6.18%, while RMBPX has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RMBBX RMB Small Cap Fund	6.18%	5.98%	2.15%	5.62%	2.75%	6.44%	4.38%	4.73%	45.44%	21.23%	3.70%	9.34%
RMBPX RMB Japan Fund	0.00%	0.00%	3.28%	4.43%	1.04%	8.11%	0.29%	1.15%	0.36%	0.00%	0.00%	0.00%

Drawdowns

Drawdown Indicators

	RMBBX	RMBPX	Difference
Max Drawdown Largest peak-to-trough decline	-55.87%	—	—
Max Drawdown (1Y) Largest decline over 1 year	-13.73%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-30.41%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-39.10%	—	—
Current Drawdown Current decline from peak	-12.30%	—	—
Average Drawdown Average peak-to-trough decline	-8.78%	—	—
Ulcer Index Depth and duration of drawdowns from previous peaks	3.29%	—	—

Volatility

Volatility by Period

	RMBBX	RMBPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.30%	—	—
Volatility (6M) Calculated over the trailing 6-month period	11.51%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	21.32%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.83%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.27%	—	—