NBSD vs. ISDB

Last updated Jun 4, 2026

NBSD (Neuberger Berman Short Duration Income ETF) and ISDB (Invesco Short Duration Bond ETF) are both Short-Term Bond funds. Both are actively managed. Over the past year, NBSD returned 4.72% vs 4.99% for ISDB. A 0.52 correlation means they provide meaningful diversification when combined. NBSD charges 0.35%/yr vs 0.36%/yr for ISDB.

Performance

NBSD vs. ISDB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Neuberger Berman Short Duration Income ETF (NBSD) and Invesco Short Duration Bond ETF (ISDB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NBSD achieves a 0.83% return, which is significantly lower than ISDB's 1.04% return.

NBSD

• 1D: -0.04%
• 1M: 0.20%
• YTD: 0.83%
• 6M: 1.27%
• 1Y: 4.72%
• 3Y*: —
• 5Y*: —
• 10Y*: —

ISDB

• 1D: -0.08%
• 1M: 0.36%
• YTD: 1.04%
• 6M: 1.43%
• 1Y: 4.99%
• 3Y*: 5.60%
• 5Y*: —
• 10Y*: —

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

NBSD vs. ISDB - Yearly Performance Comparison

	2026 (YTD)	2025	2024
NBSD Neuberger Berman Short Duration Income ETF	0.83%	6.18%	3.97%
ISDB Invesco Short Duration Bond ETF	1.04%	6.23%	3.30%

Correlation

The correlation between NBSD and ISDB is 0.62, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.62
Correlation (All Time) Calculated using the full available price history since Jun 25, 2024	0.52

The correlation between NBSD and ISDB has been stable across timeframes, ranging from 0.52 to 0.62 - a consistent structural relationship.

Return for Risk

NBSD vs. ISDB — Risk / Return Rank

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

NBSD

NBSD Risk / Return Rank: 90
NBSD Sharpe Ratio Rank: 91
NBSD Sortino Ratio Rank: 95
NBSD Omega Ratio Rank: 95
NBSD Calmar Ratio Rank: 79
NBSD Martin Ratio Rank: 90

ISDB

ISDB Risk / Return Rank: 92
ISDB Sharpe Ratio Rank: 94
ISDB Sortino Ratio Rank: 96
ISDB Omega Ratio Rank: 96
ISDB Calmar Ratio Rank: 83
ISDB Martin Ratio Rank: 90

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.

NBSD vs. ISDB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Neuberger Berman Short Duration Income ETF (NBSD) and Invesco Short Duration Bond ETF (ISDB). 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.

	NBSD	ISDB	Difference
Sharpe ratio: Return per unit of total volatility	3.24	3.60	-0.37
Sortino ratio: Return per unit of downside risk	5.32	5.66	-0.34
Omega ratio: Gain probability vs. loss probability	1.71	1.84	-0.13
Calmar ratio: Return relative to maximum drawdown	4.00	4.46	-0.46
Martin ratio: Return relative to average drawdown	20.74	20.58	+0.16
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NBSD vs. ISDB - Sharpe Ratio Comparison

The current NBSD Sharpe Ratio is 3.24, which is comparable to the ISDB Sharpe Ratio of 3.60. The chart below compares the historical Sharpe Ratios of NBSD and ISDB, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	NBSD	ISDB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.24	3.60	-0.37
Sharpe Ratio (All Time) Calculated using the full available price history	2.05	2.78	-0.73

Drawdowns

NBSD vs. ISDB - Drawdown Comparison

The maximum NBSD drawdown since its inception was -2.63%, which is greater than ISDB's maximum drawdown of -1.83%. Use the drawdown chart below to compare losses from any high point for NBSD and ISDB.

Drawdown Indicators

	NBSD	ISDB	Difference
Max Drawdown Largest peak-to-trough decline	-2.63%	-1.83%	-0.80%
Max Drawdown (1Y) Largest decline over 1 year	-1.19%	-1.12%	-0.07%
Max Drawdown (3Y) Largest decline over 3 years	—	-1.12%	—
Current Drawdown Current decline from peak	-0.14%	-0.11%	-0.03%
Average Drawdown Average peak-to-trough decline	-0.23%	-0.25%	+0.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.23%	0.24%	-0.01%

Volatility

NBSD vs. ISDB - Volatility Comparison

The current volatility for Neuberger Berman Short Duration Income ETF (NBSD) is 0.35%, while Invesco Short Duration Bond ETF (ISDB) has a volatility of 0.37%. This indicates that NBSD experiences smaller price fluctuations and is considered to be less risky than ISDB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NBSD	ISDB	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.35%	0.37%	-0.02%
Volatility (6M) Calculated over the trailing 6-month period	1.01%	1.09%	-0.08%
Volatility (1Y) Calculated over the trailing 1-year period	1.47%	1.39%	+0.08%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.78%	1.85%	+0.93%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.78%	1.85%	+0.93%

NBSD vs. ISDB - Expense Ratio Comparison

NBSD has a 0.35% expense ratio, which is lower than ISDB's 0.36% expense ratio.

Dividends

NBSD vs. ISDB - Dividend Comparison

NBSD's dividend yield for the trailing twelve months is around 4.81%, more than ISDB's 4.58% yield.

Position	TTM	2025	2024	2023
ISDB Invesco Short Duration Bond ETF	4.58%	4.89%	5.50%	5.20%
NBSD Neuberger Berman Short Duration Income ETF	4.81%	5.06%	2.96%	0.00%

Frequently Asked Questions

Can I hold both NBSD and ISDB in my portfolio?

NBSD and ISDB have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, NBSD or ISDB?

ISDB has higher volatility (0.37%) compared to NBSD (0.35%). In terms of maximum drawdown, NBSD dropped -2.63% vs ISDB's -1.83%.

Which ETF is better, NBSD or ISDB?

On 1-year performance, ISDB leads with 4.99% vs 4.72% for NBSD. On fees, NBSD is cheaper at 0.35% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, NBSD or ISDB?

Over the 1-year period, ISDB has performed better with a 4.99% return vs 4.72%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, NBSD or ISDB?

NBSD is cheaper with a 0.35% expense ratio, compared with 0.36% for ISDB.

Which ETF pays a higher dividend yield, NBSD or ISDB?

NBSD has the higher dividend yield at 4.81%, compared with 4.58% for ISDB.

What is the main difference between NBSD and ISDB?

They also come from different issuers: Neuberger Berman and Invesco. Their fees differ too: 0.35% for NBSD and 0.36% for ISDB.

Which has better risk-adjusted returns?

ISDB currently has the higher Sharpe Ratio (3.60 vs 3.24), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.