BMOP vs. THYM

Last updated Jun 4, 2026

BMOP (BNY Mellon Municipal Opportunities ETF) and THYM (T. Rowe Price High Income Municipal ETF) are both exchange-traded funds - BMOP is a Municipal Bonds fund actively managed by BNY Mellon, while THYM is a High Yield Muni fund actively managed by T. Rowe Price. Both are actively managed. A 0.54 correlation means they provide meaningful diversification when combined. BMOP charges 0.54%/yr vs 0.32%/yr for THYM.

Performance

BMOP vs. THYM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BNY Mellon Municipal Opportunities ETF (BMOP) and T. Rowe Price High Income Municipal ETF (THYM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

BMOP

• 1D: -0.07%
• 1M: 0.84%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

THYM

• 1D: 0.14%
• 1M: 1.14%
• YTD: 3.33%
• 6M: 3.62%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

BMOP vs. THYM - Yearly Performance Comparison

	2026 (YTD)
BMOP BNY Mellon Municipal Opportunities ETF	1.37%
THYM T. Rowe Price High Income Municipal ETF	2.57%

Correlation

The correlation between BMOP and THYM is 0.54, 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 13, 2026	0.54

Return for Risk

BMOP vs. THYM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BNY Mellon Municipal Opportunities ETF (BMOP) and T. Rowe Price High Income Municipal ETF (THYM). 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.

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

Sharpe Ratios by Period

	BMOP	THYM	Difference
Sharpe Ratio (All Time) Calculated using the full available price history	0.96	1.62	-0.66

Drawdowns

BMOP vs. THYM - Drawdown Comparison

The maximum BMOP drawdown since its inception was -2.80%, roughly equal to the maximum THYM drawdown of -2.93%. Use the drawdown chart below to compare losses from any high point for BMOP and THYM.

Drawdown Indicators

	BMOP	THYM	Difference
Max Drawdown Largest peak-to-trough decline	-2.80%	-2.93%	+0.13%
Current Drawdown Current decline from peak	-0.09%	0.00%	-0.09%
Average Drawdown Average peak-to-trough decline	-0.82%	-0.49%	-0.33%

Volatility

Volatility by Period

	BMOP	THYM	Difference
Volatility (1Y) Calculated over the trailing 1-year period	3.75%	4.35%	-0.60%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.75%	4.35%	-0.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.75%	4.35%	-0.60%

BMOP vs. THYM - Expense Ratio Comparison

BMOP has a 0.54% expense ratio, which is higher than THYM's 0.32% expense ratio.

Dividends

BMOP vs. THYM - Dividend Comparison

BMOP's dividend yield for the trailing twelve months is around 1.20%, less than THYM's 2.18% yield.

Position	TTM	2025
BMOP BNY Mellon Municipal Opportunities ETF	1.20%	0.00%
THYM T. Rowe Price High Income Municipal ETF	2.18%	0.37%

Frequently Asked Questions

Can I hold both BMOP and THYM in my portfolio?

BMOP and THYM have a correlation of 0.54, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, BMOP or THYM?

On fees, THYM is cheaper at 0.32% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, BMOP or THYM?

THYM is cheaper with a 0.32% expense ratio, compared with 0.54% for BMOP.

Which ETF pays a higher dividend yield, BMOP or THYM?

THYM has the higher dividend yield at 2.18%, compared with 1.20% for BMOP.

What is the main difference between BMOP and THYM?

BMOP is categorized as Municipal Bonds, while THYM is High Yield Muni. They also come from different issuers: BNY Mellon and T. Rowe Price. Their fees differ too: 0.54% for BMOP and 0.32% for THYM.