BKMS vs. IBMN

Last updated Jun 5, 2026

BKMS (BNY Mellon Municipal Short Duration ETF) and IBMN (iShares iBonds Dec 2025 Term Muni Bond ETF) are both Municipal Bonds funds. BKMS is actively managed, while IBMN is passively managed. BKMS charges 0.35%/yr vs 0.18%/yr for IBMN.

Performance

BKMS vs. IBMN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BNY Mellon Municipal Short Duration ETF (BKMS) and iShares iBonds Dec 2025 Term Muni Bond ETF (IBMN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

BKMS

• 1D: 0.04%
• 1M: 0.34%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

IBMN

• 1D: 0.00%
• 1M: 0.00%
• YTD: 0.00%
• 6M: 0.00%
• 1Y: 1.20%
• 3Y*: 2.40%
• 5Y*: 0.47%
• 10Y*: —

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

BKMS vs. IBMN - Yearly Performance Comparison

	2026 (YTD)
BKMS BNY Mellon Municipal Short Duration ETF	0.62%
IBMN iShares iBonds Dec 2025 Term Muni Bond ETF	0.00%

Return for Risk

BKMS vs. IBMN — Risk / Return Rank

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

IBMN

IBMN Risk / Return Rank: 85
IBMN Sharpe Ratio Rank: 65
IBMN Sortino Ratio Rank: 80
IBMN Omega Ratio Rank: 94
IBMN Calmar Ratio Rank: 92
IBMN Martin Ratio Rank: 93

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.

BKMS vs. IBMN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BNY Mellon Municipal Short Duration ETF (BKMS) and iShares iBonds Dec 2025 Term Muni Bond ETF (IBMN). 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

	BKMS	IBMN	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.12	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.28	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.28	0.58	+0.69

Drawdowns

BKMS vs. IBMN - Drawdown Comparison

The maximum BKMS drawdown since its inception was -0.87%, smaller than the maximum IBMN drawdown of -12.40%. Use the drawdown chart below to compare losses from any high point for BKMS and IBMN.

Drawdown Indicators

	BKMS	IBMN	Difference
Max Drawdown Largest peak-to-trough decline	-0.87%	-12.40%	+11.53%
Max Drawdown (1Y) Largest decline over 1 year	—	-0.25%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-1.10%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-7.36%	—
Current Drawdown Current decline from peak	-0.09%	-0.05%	-0.04%
Average Drawdown Average peak-to-trough decline	-0.29%	-1.81%	+1.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.10%	—

Volatility

Volatility by Period

	BKMS	IBMN	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.00%	—
Volatility (6M) Calculated over the trailing 6-month period	—	0.50%	—
Volatility (1Y) Calculated over the trailing 1-year period	1.24%	0.71%	+0.53%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.24%	1.79%	-0.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.24%	3.89%	-2.65%

BKMS vs. IBMN - Expense Ratio Comparison

BKMS has a 0.35% expense ratio, which is higher than IBMN's 0.18% expense ratio.

Dividends

BKMS vs. IBMN - Dividend Comparison

BKMS's dividend yield for the trailing twelve months is around 1.11%, less than IBMN's 1.14% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
BKMS BNY Mellon Municipal Short Duration ETF	1.11%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
IBMN iShares iBonds Dec 2025 Term Muni Bond ETF	1.14%	2.03%	2.03%	1.72%	0.97%	0.70%	1.11%	1.65%	0.23%

Frequently Asked Questions

Which ETF is better, BKMS or IBMN?

On fees, IBMN 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, BKMS or IBMN?

IBMN is cheaper with a 0.18% expense ratio, compared with 0.35% for BKMS.

Which ETF pays a higher dividend yield, BKMS or IBMN?

IBMN has the higher dividend yield at 1.14%, compared with 1.11% for BKMS.

What is the main difference between BKMS and IBMN?

They also come from different issuers: BNY Mellon and iShares. Their fees differ too: 0.35% for BKMS and 0.18% for IBMN.