THYM vs. BSSX

Last updated Jun 5, 2026

THYM (T. Rowe Price High Income Municipal ETF) and BSSX (Invesco BulletShares 2033 Municipal Bond ETF) are both exchange-traded funds - THYM is a High Yield Muni fund actively managed by T. Rowe Price, while BSSX is a Municipal Bonds fund tracking the Invesco BulletShares USD Municipal Bond 2033 Index. THYM is actively managed, while BSSX is passively managed. At a 0.48 correlation, their price movements are largely independent. THYM charges 0.32%/yr vs 0.18%/yr for BSSX.

Performance

THYM vs. BSSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price High Income Municipal ETF (THYM) and Invesco BulletShares 2033 Municipal Bond ETF (BSSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, THYM achieves a 3.70% return, which is significantly higher than BSSX's 1.06% return.

THYM

• 1D: 0.36%
• 1M: 1.53%
• YTD: 3.70%
• 6M: 4.04%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

BSSX

• 1D: 0.15%
• 1M: 0.66%
• YTD: 1.06%
• 6M: 1.73%
• 1Y: 7.02%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

THYM vs. BSSX - Yearly Performance Comparison

	2026 (YTD)	2025
THYM T. Rowe Price High Income Municipal ETF	3.70%	0.27%
BSSX Invesco BulletShares 2033 Municipal Bond ETF	1.06%	0.61%

Correlation

The correlation between THYM and BSSX is 0.48, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Nov 21, 2025	0.48

Return for Risk

THYM vs. BSSX — Risk / Return Rank

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

BSSX

BSSX Risk / Return Rank: 59
BSSX Sharpe Ratio Rank: 64
BSSX Sortino Ratio Rank: 70
BSSX Omega Ratio Rank: 75
BSSX Calmar Ratio Rank: 44
BSSX Martin Ratio Rank: 42

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.

THYM vs. BSSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price High Income Municipal ETF (THYM) and Invesco BulletShares 2033 Municipal Bond ETF (BSSX). 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

	THYM	BSSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.10	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.77	0.58	+1.19

Drawdowns

THYM vs. BSSX - Drawdown Comparison

The maximum THYM drawdown since its inception was -2.93%, smaller than the maximum BSSX drawdown of -8.12%. Use the drawdown chart below to compare losses from any high point for THYM and BSSX.

Drawdown Indicators

	THYM	BSSX	Difference
Max Drawdown Largest peak-to-trough decline	-2.93%	-8.12%	+5.19%
Max Drawdown (1Y) Largest decline over 1 year	—	-3.28%	—
Current Drawdown Current decline from peak	0.00%	-0.97%	+0.97%
Average Drawdown Average peak-to-trough decline	-0.49%	-3.26%	+2.77%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	1.05%	—

Volatility

Volatility by Period

	THYM	BSSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	1.17%	—
Volatility (6M) Calculated over the trailing 6-month period	—	2.37%	—
Volatility (1Y) Calculated over the trailing 1-year period	4.35%	3.36%	+0.99%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.35%	7.83%	-3.48%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.35%	7.83%	-3.48%

THYM vs. BSSX - Expense Ratio Comparison

THYM has a 0.32% expense ratio, which is higher than BSSX's 0.18% expense ratio.

Dividends

THYM vs. BSSX - Dividend Comparison

THYM's dividend yield for the trailing twelve months is around 2.18%, less than BSSX's 3.30% yield.

Position	TTM	2025	2024	2023
BSSX Invesco BulletShares 2033 Municipal Bond ETF	3.30%	3.27%	3.29%	0.95%
THYM T. Rowe Price High Income Municipal ETF	2.18%	0.37%	0.00%	0.00%

Frequently Asked Questions

Can I hold both THYM and BSSX in my portfolio?

THYM and BSSX have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, THYM or BSSX?

On fees, BSSX is cheaper at 0.18% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, THYM or BSSX?

BSSX is cheaper with a 0.18% expense ratio, compared with 0.32% for THYM.

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

BSSX has the higher dividend yield at 3.30%, compared with 2.18% for THYM.

What is the main difference between THYM and BSSX?

THYM is categorized as High Yield Muni, while BSSX is Municipal Bonds. They also come from different issuers: T. Rowe Price and Invesco. Their fees differ too: 0.32% for THYM and 0.18% for BSSX.