TAXX vs. IBMM

Last updated Jun 6, 2026

TAXX (Bondbloxx IR+M Tax-Aware Short Duration ETF) and IBMM (iShares iBonds Dec 2024 Term Muni Bond ETF) are both Municipal Bonds funds. TAXX is actively managed, while IBMM is passively managed. TAXX charges 0.35%/yr vs 0.18%/yr for IBMM.

Performance

TAXX vs. IBMM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Bondbloxx IR+M Tax-Aware Short Duration ETF (TAXX) and iShares iBonds Dec 2024 Term Muni Bond ETF (IBMM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

TAXX

• 1D: -0.04%
• 1M: 0.21%
• YTD: 1.07%
• 6M: 1.54%
• 1Y: 3.90%
• 3Y*: —
• 5Y*: —
• 10Y*: —

IBMM

• 1D: 0.00%
• 1M: 0.00%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

TAXX vs. IBMM - Yearly Performance Comparison

	2026 (YTD)
TAXX Bondbloxx IR+M Tax-Aware Short Duration ETF	0.37%
IBMM iShares iBonds Dec 2024 Term Muni Bond ETF	0.00%

Return for Risk

TAXX vs. IBMM — Risk / Return Rank

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

TAXX

TAXX Risk / Return Rank: 81
TAXX Sharpe Ratio Rank: 75
TAXX Sortino Ratio Rank: 80
TAXX Omega Ratio Rank: 92
TAXX Calmar Ratio Rank: 84
TAXX Martin Ratio Rank: 74

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.

TAXX vs. IBMM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Bondbloxx IR+M Tax-Aware Short Duration ETF (TAXX) and iShares iBonds Dec 2024 Term Muni Bond ETF (IBMM). 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.

	TAXX	IBMM	Difference
Sharpe ratio: Return per unit of total volatility	2.31	—	—
Sortino ratio: Return per unit of downside risk	3.42	—	—
Omega ratio: Gain probability vs. loss probability	1.59	—	—
Calmar ratio: Return relative to maximum drawdown	4.43	—	—
Martin ratio: Return relative to average drawdown	13.47	—	—
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

	TAXX	IBMM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.31	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	2.59	—	—

Drawdowns

TAXX vs. IBMM - Drawdown Comparison

The maximum TAXX drawdown since its inception was -0.91%, which is greater than IBMM's maximum drawdown of 0.00%. Use the drawdown chart below to compare losses from any high point for TAXX and IBMM.

Drawdown Indicators

	TAXX	IBMM	Difference
Max Drawdown Largest peak-to-trough decline	-0.91%	0.00%	-0.91%
Max Drawdown (1Y) Largest decline over 1 year	-0.88%	—	—
Current Drawdown Current decline from peak	-0.04%	0.00%	-0.04%
Average Drawdown Average peak-to-trough decline	-0.17%	0.00%	-0.17%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.29%	—	—

Volatility

Volatility by Period

	TAXX	IBMM	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.33%	—	—
Volatility (6M) Calculated over the trailing 6-month period	0.84%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	1.69%	0.00%	+1.69%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.59%	0.00%	+1.59%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.59%	0.00%	+1.59%

TAXX vs. IBMM - Expense Ratio Comparison

TAXX has a 0.35% expense ratio, which is higher than IBMM's 0.18% expense ratio.

Dividends

TAXX vs. IBMM - Dividend Comparison

TAXX's dividend yield for the trailing twelve months is around 3.50%, while IBMM has not paid dividends to shareholders.

Position	TTM	2025	2024
IBMM iShares iBonds Dec 2024 Term Muni Bond ETF	0.00%	0.00%	0.00%
TAXX Bondbloxx IR+M Tax-Aware Short Duration ETF	3.50%	3.72%	2.70%

Frequently Asked Questions

Which ETF is better, TAXX or IBMM?

On fees, IBMM 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, TAXX or IBMM?

IBMM is cheaper with a 0.18% expense ratio, compared with 0.35% for TAXX.

Which ETF pays a higher dividend yield, TAXX or IBMM?

TAXX has the higher dividend yield at 3.50%, compared with 0.00% for IBMM.

What is the main difference between TAXX and IBMM?

They also come from different issuers: BondBloxx and iShares. Their fees differ too: 0.35% for TAXX and 0.18% for IBMM.