MAMB vs. BCPL

Last updated Jun 24, 2026

MAMB (Monarch Ambassador Income ETF) and BCPL (BNY Mellon Core Plus ETF) are both Intermediate Core-Plus Bond funds. MAMB is passively managed, while BCPL is actively managed. A 0.79 correlation means they provide meaningful diversification when combined. MAMB charges 1.49%/yr vs 0.40%/yr for BCPL.

Performance

MAMB vs. BCPL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Monarch Ambassador Income ETF (MAMB) and BNY Mellon Core Plus ETF (BCPL). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

MAMB

• 1D: -0.11%
• 1M: 0.21%
• YTD: 1.59%
• 6M: 1.04%
• 1Y: 7.54%
• 3Y*: 5.24%
• 5Y*: 0.66%
• 10Y*: —

BCPL

• 1D: 0.04%
• 1M: 0.79%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MAMB vs. BCPL - Yearly Performance Comparison

	2026 (YTD)
MAMB Monarch Ambassador Income ETF	0.76%
BCPL BNY Mellon Core Plus ETF	0.55%

Correlation

The correlation between MAMB and BCPL is 0.79, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jan 12, 2026	0.79

Return for Risk

MAMB vs. BCPL — Risk / Return Rank

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

MAMB

MAMB Risk / Return Rank: 40
MAMB Sharpe Ratio Rank: 40
MAMB Sortino Ratio Rank: 38
MAMB Omega Ratio Rank: 38
MAMB Calmar Ratio Rank: 45
MAMB Martin Ratio Rank: 39

BCPL

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

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.

MAMB vs. BCPL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Monarch Ambassador Income ETF (MAMB) and BNY Mellon Core Plus ETF (BCPL). 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.

	MAMB	BCPL	Difference
Sharpe ratio: Return per unit of total volatility	1.32	—	—
Sortino ratio: Return per unit of downside risk	1.86	—	—
Omega ratio: Gain probability vs. loss probability	1.24	—	—
Calmar ratio: Return relative to maximum drawdown	2.13	—	—
Martin ratio: Return relative to average drawdown	5.67	—	—

Drawdowns

MAMB vs. BCPL - Drawdown Comparison

The maximum MAMB drawdown since its inception was -19.33%, which is greater than BCPL's maximum drawdown of -2.95%. Use the drawdown chart below to compare losses from any high point for MAMB and BCPL.

Drawdown Indicators

	MAMB	BCPL	Difference
Max Drawdown Largest peak-to-trough decline	-19.33%	-2.95%	-16.38%
Max Drawdown (1Y) Largest decline over 1 year	-3.55%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-7.38%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-19.33%	—	—
Current Drawdown Current decline from peak	-2.06%	-1.00%	-1.06%
Average Drawdown Average peak-to-trough decline	-7.44%	-1.04%	-6.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.33%	—	—

Volatility

Volatility by Period

	MAMB	BCPL	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.71%	—	—
Volatility (6M) Calculated over the trailing 6-month period	4.42%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	5.73%	4.02%	+1.71%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.02%	4.02%	+3.00%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.91%	4.02%	+2.89%

MAMB vs. BCPL - Expense Ratio Comparison

MAMB has a 1.49% expense ratio, which is higher than BCPL's 0.40% expense ratio.

Dividends

MAMB vs. BCPL - Dividend Comparison

MAMB's dividend yield for the trailing twelve months is around 2.45%, more than BCPL's 1.56% yield.

Position	TTM	2025	2024	2023	2022	2021
BCPL BNY Mellon Core Plus ETF	1.56%	0.00%	0.00%	0.00%	0.00%	0.00%
MAMB Monarch Ambassador Income ETF	2.45%	2.47%	2.11%	1.73%	0.92%	0.56%

Frequently Asked Questions

Can I hold both MAMB and BCPL in my portfolio?

MAMB and BCPL have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, MAMB or BCPL?

On fees, BCPL is cheaper at 0.40% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, MAMB or BCPL?

BCPL is cheaper with a 0.40% expense ratio, compared with 1.49% for MAMB.

Which ETF pays a higher dividend yield, MAMB or BCPL?

MAMB has the higher dividend yield at 2.45%, compared with 1.56% for BCPL.

What is the main difference between MAMB and BCPL?

They also come from different issuers: Monarch and BNY Mellon. Their fees differ too: 1.49% for MAMB and 0.40% for BCPL.