BSMY vs. TNGY

Last updated Jun 4, 2026

BSMY (Invesco BulletShares 2034 Municipal Bond ETF) and TNGY (Tortoise Energy Fund) are both exchange-traded funds - BSMY is a Municipal Bonds fund tracking the Invesco BulletShares USD Municipal Bond 2034 Index, while TNGY is a Energy Equities fund actively managed by Tortoise Capital. BSMY is passively managed, while TNGY is actively managed. At a correlation of -0.18, they often move in opposite directions. BSMY charges 0.18%/yr vs 0.85%/yr for TNGY.

Performance

BSMY vs. TNGY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco BulletShares 2034 Municipal Bond ETF (BSMY) and Tortoise Energy Fund (TNGY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BSMY achieves a 1.43% return, which is significantly lower than TNGY's 15.21% return.

BSMY

• 1D: 0.03%
• 1M: 0.52%
• YTD: 1.43%
• 6M: 1.83%
• 1Y: 8.12%
• 3Y*: —
• 5Y*: —
• 10Y*: —

TNGY

• 1D: 0.39%
• 1M: -3.15%
• YTD: 15.21%
• 6M: 12.60%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

BSMY vs. TNGY - Yearly Performance Comparison

	2026 (YTD)	2025
BSMY Invesco BulletShares 2034 Municipal Bond ETF	1.43%	5.78%
TNGY Tortoise Energy Fund	15.21%	1.81%

Correlation

The correlation between BSMY and TNGY is -0.18, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jun 17, 2025	-0.18

Return for Risk

BSMY vs. TNGY — Risk / Return Rank

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

BSMY

BSMY Risk / Return Rank: 68
BSMY Sharpe Ratio Rank: 73
BSMY Sortino Ratio Rank: 80
BSMY Omega Ratio Rank: 83
BSMY Calmar Ratio Rank: 51
BSMY Martin Ratio Rank: 52

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.

BSMY vs. TNGY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco BulletShares 2034 Municipal Bond ETF (BSMY) and Tortoise Energy Fund (TNGY). 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.

	BSMY	TNGY	Difference
Sharpe ratio: Return per unit of total volatility	2.36	—	—
Sortino ratio: Return per unit of downside risk	3.56	—	—
Omega ratio: Gain probability vs. loss probability	1.49	—	—
Calmar ratio: Return relative to maximum drawdown	2.46	—	—
Martin ratio: Return relative to average drawdown	8.53	—	—
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

	BSMY	TNGY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.36	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.37	1.15	-0.78

Drawdowns

BSMY vs. TNGY - Drawdown Comparison

The maximum BSMY drawdown since its inception was -6.81%, smaller than the maximum TNGY drawdown of -8.86%. Use the drawdown chart below to compare losses from any high point for BSMY and TNGY.

Drawdown Indicators

	BSMY	TNGY	Difference
Max Drawdown Largest peak-to-trough decline	-6.81%	-8.86%	+2.05%
Max Drawdown (1Y) Largest decline over 1 year	-3.31%	—	—
Current Drawdown Current decline from peak	-0.79%	-3.92%	+3.13%
Average Drawdown Average peak-to-trough decline	-1.98%	-2.18%	+0.20%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.95%	—	—

Volatility

Volatility by Period

	BSMY	TNGY	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.28%	—	—
Volatility (6M) Calculated over the trailing 6-month period	2.55%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	3.46%	15.70%	-12.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.23%	15.70%	-10.47%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.23%	15.70%	-10.47%

BSMY vs. TNGY - Expense Ratio Comparison

BSMY has a 0.18% expense ratio, which is lower than TNGY's 0.85% expense ratio.

Dividends

BSMY vs. TNGY - Dividend Comparison

BSMY's dividend yield for the trailing twelve months is around 3.53%, more than TNGY's 3.41% yield.

Position	TTM	2025	2024
BSMY Invesco BulletShares 2034 Municipal Bond ETF	3.53%	3.31%	0.79%
TNGY Tortoise Energy Fund	3.41%	2.59%	0.00%

Frequently Asked Questions

Can I hold both BSMY and TNGY in my portfolio?

BSMY and TNGY have a correlation of -0.18, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, BSMY or TNGY?

On fees, BSMY 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, BSMY or TNGY?

BSMY is cheaper with a 0.18% expense ratio, compared with 0.85% for TNGY.

Which ETF pays a higher dividend yield, BSMY or TNGY?

BSMY has the higher dividend yield at 3.53%, compared with 3.41% for TNGY.

What is the main difference between BSMY and TNGY?

BSMY is categorized as Municipal Bonds, while TNGY is Energy Equities. They also come from different issuers: Invesco and Tortoise Capital. Their fees differ too: 0.18% for BSMY and 0.85% for TNGY.