WTMU vs. IBMM

Last updated Jun 4, 2026

WTMU (WisdomTree Core Laddered Municipal ETF) and IBMM (iShares iBonds Dec 2024 Term Muni Bond ETF) are both Municipal Bonds funds. WTMU is actively managed, while IBMM is passively managed. WTMU charges 0.25%/yr vs 0.18%/yr for IBMM.

Performance

WTMU vs. IBMM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in WisdomTree Core Laddered Municipal ETF (WTMU) and iShares iBonds Dec 2024 Term Muni Bond ETF (IBMM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

WTMU

• 1D: 0.12%
• 1M: 0.43%
• YTD: 0.45%
• 6M: 0.94%
• 1Y: 5.96%
• 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)

WTMU vs. IBMM - Yearly Performance Comparison

	2026 (YTD)
WTMU WisdomTree Core Laddered Municipal ETF	-0.61%
IBMM iShares iBonds Dec 2024 Term Muni Bond ETF	0.00%

Return for Risk

WTMU vs. IBMM — Risk / Return Rank

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

WTMU

WTMU Risk / Return Rank: 70
WTMU Sharpe Ratio Rank: 83
WTMU Sortino Ratio Rank: 87
WTMU Omega Ratio Rank: 92
WTMU Calmar Ratio Rank: 45
WTMU Martin Ratio Rank: 40

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.

WTMU vs. IBMM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for WisdomTree Core Laddered Municipal ETF (WTMU) 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.

	WTMU	IBMM	Difference
Sharpe ratio: Return per unit of total volatility	2.69	—	—
Sortino ratio: Return per unit of downside risk	3.92	—	—
Omega ratio: Gain probability vs. loss probability	1.61	—	—
Calmar ratio: Return relative to maximum drawdown	2.20	—	—
Martin ratio: Return relative to average drawdown	6.25	—	—
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

	WTMU	IBMM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.69	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.01	—	—

Drawdowns

WTMU vs. IBMM - Drawdown Comparison

The maximum WTMU drawdown since its inception was -4.24%, which is greater than IBMM's maximum drawdown of 0.00%. Use the drawdown chart below to compare losses from any high point for WTMU and IBMM.

Drawdown Indicators

	WTMU	IBMM	Difference
Max Drawdown Largest peak-to-trough decline	-4.24%	0.00%	-4.24%
Max Drawdown (1Y) Largest decline over 1 year	-2.72%	—	—
Current Drawdown Current decline from peak	-1.52%	0.00%	-1.52%
Average Drawdown Average peak-to-trough decline	-0.64%	0.00%	-0.64%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.96%	—	—

Volatility

Volatility by Period

	WTMU	IBMM	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.74%	—	—
Volatility (6M) Calculated over the trailing 6-month period	1.77%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	2.22%	0.00%	+2.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.76%	0.00%	+4.76%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.76%	0.00%	+4.76%

WTMU vs. IBMM - Expense Ratio Comparison

WTMU has a 0.25% expense ratio, which is higher than IBMM's 0.18% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

WTMU vs. IBMM - Dividend Comparison

WTMU's dividend yield for the trailing twelve months is around 2.98%, while IBMM has not paid dividends to shareholders.

Position	TTM	2025
IBMM iShares iBonds Dec 2024 Term Muni Bond ETF	0.00%	0.00%
WTMU WisdomTree Core Laddered Municipal ETF	2.98%	2.15%

Frequently Asked Questions

Which ETF is better, WTMU 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, WTMU or IBMM?

IBMM is cheaper with a 0.18% expense ratio, compared with 0.25% for WTMU.

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

WTMU has the higher dividend yield at 2.98%, compared with 0.00% for IBMM.

What is the main difference between WTMU and IBMM?

They also come from different issuers: WisdomTree and iShares. Their fees differ too: 0.25% for WTMU and 0.18% for IBMM.