SPSB vs. IGSB

Last updated Apr 1, 2026

Compare and contrast key facts about SPDR Portfolio Short Term Corporate Bond ETF (SPSB) and iShares Short-Term Corporate Bond ETF (IGSB).

SPSB and IGSB are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. SPSB is a passively managed fund by State Street that tracks the performance of the Bloomberg Barclays U.S. 1-3 Year Corporate Bond Index. It was launched on Dec 16, 2009. IGSB is a passively managed fund by iShares that tracks the performance of the ICE BofAML 1-5 Year US Corporate Index. It was launched on Jan 11, 2007. Both SPSB and IGSB are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

SPSB vs. IGSB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SPDR Portfolio Short Term Corporate Bond ETF (SPSB) and iShares Short-Term Corporate Bond ETF (IGSB). The values are adjusted to include any dividend payments, if applicable.

SPSB vs. IGSB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SPSB SPDR Portfolio Short Term Corporate Bond ETF	0.28%	5.86%	5.25%	5.60%	-3.31%	-0.20%	3.83%	5.21%	1.45%	1.58%
IGSB iShares Short-Term Corporate Bond ETF	0.14%	6.96%	4.97%	6.40%	-5.63%	-0.56%	5.37%	7.11%	1.25%	1.27%

Returns By Period

In the year-to-date period, SPSB achieves a 0.28% return, which is significantly higher than IGSB's 0.14% return. Both investments have delivered pretty close results over the past 10 years, with SPSB having a 2.61% annualized return and IGSB not far ahead at 2.74%.

SPSB

• 1D: 0.17%
• 1M: -0.48%
• YTD: 0.28%
• 6M: 1.46%
• 1Y: 4.49%
• 3Y*: 5.17%
• 5Y*: 2.64%
• 10Y*: 2.61%

IGSB

• 1D: 0.27%
• 1M: -0.89%
• YTD: 0.14%
• 6M: 1.38%
• 1Y: 4.98%
• 3Y*: 5.48%
• 5Y*: 2.45%
• 10Y*: 2.74%

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

SPSB vs. IGSB - Expense Ratio Comparison

SPSB has a 0.07% expense ratio, which is higher than IGSB's 0.06% 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%.

SPSB

SPDR Portfolio Short Term Corporate Bond ETF

IGSB

iShares Short-Term Corporate Bond ETF

Return for Risk

SPSB vs. IGSB — Risk / Return Rank

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

SPSB

SPSB Risk / Return Rank: 98
SPSB Sharpe Ratio Rank: 98
SPSB Sortino Ratio Rank: 98
SPSB Omega Ratio Rank: 98
SPSB Calmar Ratio Rank: 97
SPSB Martin Ratio Rank: 97

IGSB

IGSB Risk / Return Rank: 94
IGSB Sharpe Ratio Rank: 93
IGSB Sortino Ratio Rank: 96
IGSB Omega Ratio Rank: 95
IGSB Calmar Ratio Rank: 93
IGSB Martin Ratio Rank: 94

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.

SPSB vs. IGSB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR Portfolio Short Term Corporate Bond ETF (SPSB) and iShares Short-Term Corporate Bond ETF (IGSB). 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.

	SPSB	IGSB	Difference
Sharpe ratio Return per unit of total volatility	3.01	2.18	+0.82
Sortino ratio Return per unit of downside risk	4.62	3.22	+1.40
Omega ratio Gain probability vs. loss probability	1.68	1.45	+0.22
Calmar ratio Return relative to maximum drawdown	5.22	3.46	+1.76
Martin ratio Return relative to average drawdown	21.58	14.27	+7.31
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SPSB vs. IGSB - Sharpe Ratio Comparison

The current SPSB Sharpe Ratio is 3.01, which is higher than the IGSB Sharpe Ratio of 2.18. The chart below compares the historical Sharpe Ratios of SPSB and IGSB, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	SPSB	IGSB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.01	2.18	+0.82
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.35	0.85	+0.50
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.86	0.79	+0.06
Sharpe Ratio (All Time) Calculated using the full available price history	0.86	0.70	+0.16

Correlation

The correlation between SPSB and IGSB is 0.58, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

SPSB vs. IGSB - Dividend Comparison

SPSB's dividend yield for the trailing twelve months is around 4.50%, which matches IGSB's 4.51% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SPSB SPDR Portfolio Short Term Corporate Bond ETF	4.50%	4.55%	4.85%	4.05%	1.92%	1.19%	1.94%	2.77%	2.36%	1.94%	1.65%	1.43%
IGSB iShares Short-Term Corporate Bond ETF	4.51%	4.44%	4.02%	3.26%	2.07%	1.82%	2.36%	3.06%	2.46%	1.65%	1.45%	1.18%

Drawdowns

SPSB vs. IGSB - Drawdown Comparison

The maximum SPSB drawdown since its inception was -11.75%, smaller than the maximum IGSB drawdown of -13.38%. Use the drawdown chart below to compare losses from any high point for SPSB and IGSB.

Drawdown Indicators

	SPSB	IGSB	Difference
Max Drawdown Largest peak-to-trough decline	-11.75%	-13.38%	+1.63%
Max Drawdown (1Y) Largest decline over 1 year	-0.87%	-1.46%	+0.59%
Max Drawdown (5Y) Largest decline over 5 years	-5.96%	-9.46%	+3.50%
Max Drawdown (10Y) Largest decline over 10 years	-11.75%	-13.38%	+1.63%
Current Drawdown Current decline from peak	-0.48%	-0.89%	+0.41%
Average Drawdown Average peak-to-trough decline	-0.55%	-0.85%	+0.30%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.21%	0.35%	-0.14%

Volatility

SPSB vs. IGSB - Volatility Comparison

The current volatility for SPDR Portfolio Short Term Corporate Bond ETF (SPSB) is 0.64%, while iShares Short-Term Corporate Bond ETF (IGSB) has a volatility of 0.96%. This indicates that SPSB experiences smaller price fluctuations and is considered to be less risky than IGSB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SPSB	IGSB	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.64%	0.96%	-0.32%
Volatility (6M) Calculated over the trailing 6-month period	0.87%	1.32%	-0.45%
Volatility (1Y) Calculated over the trailing 1-year period	1.50%	2.29%	-0.79%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.97%	2.91%	-0.94%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.06%	3.46%	-0.40%