SIGAX vs. VSTBX
Compare and contrast key facts about Western Asset Corporate Bond Fund (SIGAX) and Vanguard Short-Term Corporate Bond Index Fund Institutional Shares (VSTBX).
SIGAX is managed by Franklin Templeton. It was launched on Nov 6, 1992. VSTBX is managed by Vanguard. It was launched on Nov 19, 2009.
Performance
SIGAX vs. VSTBX - Performance Comparison
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SIGAX vs. VSTBX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SIGAX Western Asset Corporate Bond Fund | -1.48% | 8.16% | 1.19% | 6.96% | -17.20% | -1.17% | 10.81% | 14.42% | -3.64% | 7.20% |
VSTBX Vanguard Short-Term Corporate Bond Index Fund Institutional Shares | -0.08% | 6.75% | 5.37% | 6.17% | -5.73% | -0.41% | 5.07% | 9.68% | 0.92% | 2.48% |
Returns By Period
In the year-to-date period, SIGAX achieves a -1.48% return, which is significantly lower than VSTBX's -0.08% return. Over the past 10 years, SIGAX has underperformed VSTBX with an annualized return of 2.65%, while VSTBX has yielded a comparatively higher 3.01% annualized return.
SIGAX
- 1D
- 0.48%
- 1M
- -3.04%
- YTD
- -1.48%
- 6M
- -0.68%
- 1Y
- 4.14%
- 3Y*
- 3.96%
- 5Y*
- -0.24%
- 10Y*
- 2.65%
VSTBX
- 1D
- 0.19%
- 1M
- -1.05%
- YTD
- -0.08%
- 6M
- 1.15%
- 1Y
- 4.66%
- 3Y*
- 5.46%
- 5Y*
- 2.42%
- 10Y*
- 3.01%
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SIGAX vs. VSTBX - Expense Ratio Comparison
SIGAX has a 0.88% expense ratio, which is higher than VSTBX's 0.05% expense ratio.
Return for Risk
SIGAX vs. VSTBX — Risk / Return Rank
SIGAX
VSTBX
SIGAX vs. VSTBX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Western Asset Corporate Bond Fund (SIGAX) and Vanguard Short-Term Corporate Bond Index Fund Institutional Shares (VSTBX). 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.
| SIGAX | VSTBX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.00 | 2.41 | -1.40 |
Sortino ratioReturn per unit of downside risk | 1.42 | 3.58 | -2.16 |
Omega ratioGain probability vs. loss probability | 1.18 | 1.49 | -0.31 |
Calmar ratioReturn relative to maximum drawdown | 1.45 | 3.75 | -2.30 |
Martin ratioReturn relative to average drawdown | 5.08 | 14.83 | -9.74 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| SIGAX | VSTBX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.00 | 2.41 | -1.40 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.04 | 0.90 | -0.94 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.43 | 1.27 | -0.84 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.72 | 1.46 | -0.73 |
Correlation
The correlation between SIGAX and VSTBX is 0.74, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
SIGAX vs. VSTBX - Dividend Comparison
SIGAX's dividend yield for the trailing twelve months is around 4.51%, more than VSTBX's 4.04% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SIGAX Western Asset Corporate Bond Fund | 4.51% | 4.86% | 4.15% | 4.17% | 3.30% | 3.03% | 4.33% | 3.78% | 3.85% | 3.44% | 3.82% | 4.34% |
VSTBX Vanguard Short-Term Corporate Bond Index Fund Institutional Shares | 4.04% | 4.34% | 4.29% | 3.09% | 2.00% | 1.80% | 2.27% | 5.40% | 2.67% | 2.27% | 1.96% | 2.25% |
Drawdowns
SIGAX vs. VSTBX - Drawdown Comparison
The maximum SIGAX drawdown since its inception was -30.99%, which is greater than VSTBX's maximum drawdown of -9.34%. Use the drawdown chart below to compare losses from any high point for SIGAX and VSTBX.
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Drawdown Indicators
| SIGAX | VSTBX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -30.99% | -9.34% | -21.65% |
Max Drawdown (1Y)Largest decline over 1 year | -3.50% | -1.31% | -2.19% |
Max Drawdown (5Y)Largest decline over 5 years | -23.62% | -9.34% | -14.28% |
Max Drawdown (10Y)Largest decline over 10 years | -23.62% | -9.34% | -14.28% |
Current DrawdownCurrent decline from peak | -6.18% | -1.05% | -5.13% |
Average DrawdownAverage peak-to-trough decline | -5.02% | -0.96% | -4.06% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.00% | 0.33% | +0.67% |
Volatility
SIGAX vs. VSTBX - Volatility Comparison
Western Asset Corporate Bond Fund (SIGAX) has a higher volatility of 1.76% compared to Vanguard Short-Term Corporate Bond Index Fund Institutional Shares (VSTBX) at 0.76%. This indicates that SIGAX's price experiences larger fluctuations and is considered to be riskier than VSTBX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SIGAX | VSTBX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.76% | 0.76% | +1.00% |
Volatility (6M)Calculated over the trailing 6-month period | 2.77% | 1.16% | +1.61% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.70% | 1.98% | +2.72% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.76% | 2.70% | +4.06% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 6.12% | 2.37% | +3.75% |