IGSB vs. SPSB
IGSB (iShares 1-5 Year Investment Grade Corporate Bond ETF) and SPSB (SPDR Portfolio Short Term Corporate Bond ETF) are both Corporate Bonds funds - IGSB tracks the ICE BofA 1-5 Year US Corporate Index while SPSB tracks the Bloomberg Barclays U.S. 1-3 Year Corporate Bond Index. Both are passively managed. Over the past 10 years, IGSB returned 2.70%/yr vs 2.60%/yr for SPSB. A 0.59 correlation means they provide meaningful diversification when combined. IGSB charges 0.04%/yr vs 0.07%/yr for SPSB.
Performance
IGSB vs. SPSB - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, IGSB achieves a 0.66% return, which is significantly lower than SPSB's 0.87% return. Both investments have delivered pretty close results over the past 10 years, with IGSB having a 2.70% annualized return and SPSB not far behind at 2.60%.
IGSB
- 1D
- -0.13%
- 1M
- 0.21%
- YTD
- 0.66%
- 6M
- 0.83%
- 1Y
- 4.20%
- 3Y*
- 5.68%
- 5Y*
- 2.45%
- 10Y*
- 2.70%
SPSB
- 1D
- -0.10%
- 1M
- 0.16%
- YTD
- 0.87%
- 6M
- 1.04%
- 1Y
- 3.98%
- 3Y*
- 5.31%
- 5Y*
- 2.73%
- 10Y*
- 2.60%
IGSB vs. SPSB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF | 0.66% | 6.96% | 4.97% | 6.40% | -5.63% | -0.56% | 5.37% | 7.11% | 1.25% | 1.27% |
SPSB SPDR Portfolio Short Term Corporate Bond ETF | 0.87% | 5.86% | 5.25% | 5.60% | -3.31% | -0.20% | 3.83% | 5.21% | 1.45% | 1.58% |
Correlation
The correlation between IGSB and SPSB is 0.90, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.90 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.91 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.92 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.79 |
Correlation (All Time) Calculated using the full available price history since Dec 17, 2009 | 0.59 |
Over the past year, IGSB and SPSB have become more correlated (0.90) than their long-term average of 0.59, meaning their price movements have been converging.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
IGSB vs. SPSB — Risk / Return Rank
IGSB
SPSB
IGSB vs. SPSB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares 1-5 Year Investment Grade Corporate Bond ETF (IGSB) and SPDR Portfolio Short Term Corporate Bond ETF (SPSB). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| IGSB | SPSB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.77 | ||
| Sortino ratioReturn per unit of downside risk | -1.34 | ||
| Omega ratioGain probability vs. loss probability | 1.43 | 1.64 | -0.21 |
| Calmar ratioReturn relative to maximum drawdown | 2.89 | 4.58 | -1.69 |
| Martin ratioReturn relative to average drawdown | 11.59 | 21.10 | -9.52 |
Loading charts...
Drawdowns
IGSB vs. SPSB - Drawdown Comparison
The maximum IGSB drawdown since its inception was -13.38%, which is greater than SPSB's maximum drawdown of -11.75%. Use the drawdown chart below to compare losses from any high point for IGSB and SPSB.
Loading charts...
Drawdown Indicators
| IGSB | SPSB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -13.38% | -11.75% | -1.63% |
Max Drawdown (1Y)Largest decline over 1 year | -1.46% | -0.87% | -0.59% |
Max Drawdown (3Y)Largest decline over 3 years | -1.46% | -0.87% | -0.59% |
Max Drawdown (5Y)Largest decline over 5 years | -9.46% | -5.96% | -3.50% |
Max Drawdown (10Y)Largest decline over 10 years | -13.38% | -11.75% | -1.63% |
Current DrawdownCurrent decline from peak | -0.38% | -0.20% | -0.18% |
Average DrawdownAverage peak-to-trough decline | -0.85% | -0.54% | -0.31% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.36% | 0.19% | +0.17% |
Volatility
IGSB vs. SPSB - Volatility Comparison
iShares 1-5 Year Investment Grade Corporate Bond ETF (IGSB) has a higher volatility of 0.68% compared to SPDR Portfolio Short Term Corporate Bond ETF (SPSB) at 0.48%. This indicates that IGSB's price experiences larger fluctuations and is considered to be riskier than SPSB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| IGSB | SPSB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.68% | 0.48% | +0.20% |
Volatility (6M)Calculated over the trailing 6-month period | 1.50% | 1.01% | +0.49% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.96% | 1.37% | +0.59% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.94% | 1.99% | +0.95% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 3.47% | 3.06% | +0.41% |
IGSB vs. SPSB - Expense Ratio Comparison
IGSB has a 0.04% expense ratio, which is lower than SPSB's 0.07% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
IGSB vs. SPSB - Dividend Comparison
IGSB's dividend yield for the trailing twelve months is around 4.58%, more than SPSB's 4.41% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF | 4.58% | 4.44% | 4.02% | 3.26% | 2.07% | 1.82% | 2.36% | 3.06% | 2.46% | 1.65% | 1.45% | 1.18% |
SPSB SPDR Portfolio Short Term Corporate Bond ETF | 4.41% | 4.55% | 4.85% | 4.05% | 1.92% | 1.19% | 1.94% | 2.77% | 2.36% | 1.94% | 1.65% | 1.43% |
Frequently Asked Questions
With a correlation of 0.90, IGSB and SPSB move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
IGSB has higher volatility (0.68%) compared to SPSB (0.48%). In terms of maximum drawdown, IGSB dropped -13.38% vs SPSB's -11.75%.
On 10-year performance, IGSB leads with 2.70% vs 2.60% for SPSB. On fees, IGSB is cheaper at 0.04% per year. On volatility, SPSB has been the lower-risk option at 0.48%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, IGSB has performed better with a 2.70% return vs 2.60%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IGSB is cheaper with a 0.04% expense ratio, compared with 0.07% for SPSB.
IGSB has the higher dividend yield at 4.58%, compared with 4.41% for SPSB.
IGSB tracks ICE BofA 1-5 Year US Corporate Index, while SPSB tracks Bloomberg Barclays U.S. 1-3 Year Corporate Bond Index. They also come from different issuers: iShares and State Street. Their fees differ too: 0.04% for IGSB and 0.07% for SPSB.
SPSB currently has the higher Sharpe Ratio (2.93 vs 2.16), 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.
Find the right allocation for IGSB and SPSB
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer