ISDB vs. CGSD

Last updated Jun 3, 2026

ISDB (Invesco Short Duration Bond ETF) and CGSD (Capital Group Short Duration Income ETF) are both Short-Term Bond funds. Both are actively managed. Over the past 3 years, ISDB returned 5.63%/yr vs 5.24%/yr for CGSD. A 0.73 correlation means they provide meaningful diversification when combined. ISDB charges 0.36%/yr vs 0.25%/yr for CGSD.

Performance

ISDB vs. CGSD - Performance Comparison

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

Returns By Period

In the year-to-date period, ISDB achieves a 1.12% return, which is significantly higher than CGSD's 0.80% return.

ISDB

• 1D: 0.04%
• 1M: 0.30%
• YTD: 1.12%
• 6M: 1.61%
• 1Y: 5.16%
• 3Y*: 5.63%
• 5Y*: —
• 10Y*: —

CGSD

• 1D: 0.00%
• 1M: 0.20%
• YTD: 0.80%
• 6M: 1.27%
• 1Y: 4.40%
• 3Y*: 5.24%
• 5Y*: —
• 10Y*: —

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

ISDB vs. CGSD - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
ISDB Invesco Short Duration Bond ETF	1.12%	6.23%	5.35%	5.17%	0.01%
CGSD Capital Group Short Duration Income ETF	0.80%	6.11%	5.46%	5.03%	0.28%

Correlation

The correlation between ISDB and CGSD is 0.73, 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	0.73
Correlation (3Y) Calculated over the trailing 3-year period	0.72
Correlation (All Time) Calculated using the full available price history since Dec 12, 2022	0.73

The correlation between ISDB and CGSD has been stable across timeframes, ranging from 0.72 to 0.73 - a consistent structural relationship.

Return for Risk

ISDB vs. CGSD — Risk / Return Rank

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

ISDB

ISDB Risk / Return Rank: 92
ISDB Sharpe Ratio Rank: 94
ISDB Sortino Ratio Rank: 96
ISDB Omega Ratio Rank: 97
ISDB Calmar Ratio Rank: 84
ISDB Martin Ratio Rank: 90

CGSD

CGSD Risk / Return Rank: 88
CGSD Sharpe Ratio Rank: 88
CGSD Sortino Ratio Rank: 93
CGSD Omega Ratio Rank: 92
CGSD Calmar Ratio Rank: 77
CGSD Martin Ratio Rank: 87

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.

ISDB vs. CGSD - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Short Duration Bond ETF (ISDB) and Capital Group Short Duration Income ETF (CGSD). 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.

	ISDB	CGSD	Difference
Sharpe ratio Return per unit of total volatility	3.73	3.02	+0.72
Sortino ratio Return per unit of downside risk	5.88	4.79	+1.09
Omega ratio Gain probability vs. loss probability	1.88	1.63	+0.25
Calmar ratio Return relative to maximum drawdown	4.59	3.96	+0.63
Martin ratio Return relative to average drawdown	21.23	18.77	+2.47
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ISDB vs. CGSD - Sharpe Ratio Comparison

The current ISDB Sharpe Ratio is 3.73, which is comparable to the CGSD Sharpe Ratio of 3.02. The chart below compares the historical Sharpe Ratios of ISDB and CGSD, 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

	ISDB	CGSD	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.73	3.02	+0.72
Sharpe Ratio (All Time) Calculated using the full available price history	2.79	2.43	+0.37

Drawdowns

ISDB vs. CGSD - Drawdown Comparison

The maximum ISDB drawdown since its inception was -1.83%, roughly equal to the maximum CGSD drawdown of -1.75%. Use the drawdown chart below to compare losses from any high point for ISDB and CGSD.

Drawdown Indicators

	ISDB	CGSD	Difference
Max Drawdown Largest peak-to-trough decline	-1.83%	-1.75%	-0.08%
Max Drawdown (1Y) Largest decline over 1 year	-1.12%	-1.11%	-0.01%
Max Drawdown (3Y) Largest decline over 3 years	-1.12%	-1.11%	-0.01%
Current Drawdown Current decline from peak	-0.03%	-0.04%	+0.01%
Average Drawdown Average peak-to-trough decline	-0.25%	-0.29%	+0.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.24%	0.23%	+0.01%

Volatility

ISDB vs. CGSD - Volatility Comparison

Invesco Short Duration Bond ETF (ISDB) and Capital Group Short Duration Income ETF (CGSD) have volatilities of 0.39% and 0.38%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ISDB	CGSD	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.39%	0.38%	+0.01%
Volatility (6M) Calculated over the trailing 6-month period	1.09%	1.00%	+0.09%
Volatility (1Y) Calculated over the trailing 1-year period	1.39%	1.46%	-0.07%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.85%	2.16%	-0.31%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.85%	2.16%	-0.31%

ISDB vs. CGSD - Expense Ratio Comparison

ISDB has a 0.36% expense ratio, which is higher than CGSD's 0.25% expense ratio.

Dividends

ISDB vs. CGSD - Dividend Comparison

ISDB's dividend yield for the trailing twelve months is around 4.58%, more than CGSD's 4.46% yield.

Position	TTM	2025	2024	2023	2022
CGSD Capital Group Short Duration Income ETF	4.46%	4.48%	4.57%	4.43%	0.64%
ISDB Invesco Short Duration Bond ETF	4.58%	4.89%	5.50%	5.20%	0.00%

Frequently Asked Questions

Can I hold both ISDB and CGSD in my portfolio?

ISDB and CGSD have a correlation of 0.73, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ISDB or CGSD?

ISDB has higher volatility (0.39%) compared to CGSD (0.38%). In terms of maximum drawdown, ISDB dropped -1.83% vs CGSD's -1.75%.

Which ETF is better, ISDB or CGSD?

On 3-year performance, ISDB leads with 5.63% vs 5.24% for CGSD. On fees, CGSD is cheaper at 0.25% 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, ISDB or CGSD?

Over the 3-year period, ISDB has performed better with a 5.63% return vs 5.24%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ISDB or CGSD?

CGSD is cheaper with a 0.25% expense ratio, compared with 0.36% for ISDB.

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

ISDB has the higher dividend yield at 4.58%, compared with 4.46% for CGSD.

What is the main difference between ISDB and CGSD?

They also come from different issuers: Invesco and Capital Group. Their fees differ too: 0.36% for ISDB and 0.25% for CGSD.

Which has better risk-adjusted returns?

ISDB currently has the higher Sharpe Ratio (3.73 vs 3.02), 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.