NYM vs. IBMM

Last updated Jun 4, 2026

NYM (AB New York Intermediate Municipal ETF) and IBMM (iShares iBonds Dec 2024 Term Muni Bond ETF) are both Municipal Bonds funds. NYM is actively managed, while IBMM is passively managed. NYM charges 0.27%/yr vs 0.18%/yr for IBMM.

Performance

NYM vs. IBMM - Performance Comparison

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

Returns By Period

NYM

• 1D: 0.04%
• 1M: 0.48%
• YTD: 1.43%
• 6M: 1.92%
• 1Y: —
• 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)

NYM vs. IBMM - Yearly Performance Comparison

	2026 (YTD)
NYM AB New York Intermediate Municipal ETF	0.40%
IBMM iShares iBonds Dec 2024 Term Muni Bond ETF	0.00%

Return for Risk

NYM vs. IBMM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AB New York Intermediate Municipal ETF (NYM) 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.

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

Sharpe Ratios by Period

	NYM	IBMM	Difference
Sharpe Ratio (All Time) Calculated using the full available price history	1.63	—	—

Drawdowns

NYM vs. IBMM - Drawdown Comparison

The maximum NYM drawdown since its inception was -1.76%, which is greater than IBMM's maximum drawdown of 0.00%. Use the drawdown chart below to compare losses from any high point for NYM and IBMM.

Drawdown Indicators

	NYM	IBMM	Difference
Max Drawdown Largest peak-to-trough decline	-1.76%	0.00%	-1.76%
Current Drawdown Current decline from peak	-0.23%	0.00%	-0.23%
Average Drawdown Average peak-to-trough decline	-0.42%	0.00%	-0.42%

Volatility

Volatility by Period

	NYM	IBMM	Difference
Volatility (1Y) Calculated over the trailing 1-year period	2.06%	0.00%	+2.06%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.06%	0.00%	+2.06%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.06%	0.00%	+2.06%

NYM vs. IBMM - Expense Ratio Comparison

NYM has a 0.27% 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

NYM vs. IBMM - Dividend Comparison

NYM's dividend yield for the trailing twelve months is around 1.73%, while IBMM has not paid dividends to shareholders.

Position	TTM	2025
IBMM iShares iBonds Dec 2024 Term Muni Bond ETF	0.00%	0.00%
NYM AB New York Intermediate Municipal ETF	1.73%	0.49%

Frequently Asked Questions

Which ETF is better, NYM 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, NYM or IBMM?

IBMM is cheaper with a 0.18% expense ratio, compared with 0.27% for NYM.

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

NYM has the higher dividend yield at 1.73%, compared with 0.00% for IBMM.

What is the main difference between NYM and IBMM?

They also come from different issuers: AllianceBernstein and iShares. Their fees differ too: 0.27% for NYM and 0.18% for IBMM.