SIGAX vs. PRPIX
SIGAX (Western Asset Corporate Bond Fund) and PRPIX (T. Rowe Price Corporate Income Fund) are both Corporate Bonds funds. Over the past 10 years, SIGAX returned 2.52%/yr vs 3.17%/yr for PRPIX. Their correlation of 0.86 suggests significant overlap in exposure. SIGAX charges 0.88%/yr vs 0.56%/yr for PRPIX.
Performance
SIGAX vs. PRPIX - Performance Comparison
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Returns By Period
In the year-to-date period, SIGAX achieves a 0.03% return, which is significantly higher than PRPIX's 0.02% return. Over the past 10 years, SIGAX has underperformed PRPIX with an annualized return of 2.52%, while PRPIX has yielded a comparatively higher 3.17% annualized return.
SIGAX
- 1D
- -0.28%
- 1M
- 0.70%
- YTD
- 0.03%
- 6M
- 0.44%
- 1Y
- 5.03%
- 3Y*
- 4.63%
- 5Y*
- -0.53%
- 10Y*
- 2.52%
PRPIX
- 1D
- -0.25%
- 1M
- 0.77%
- YTD
- 0.02%
- 6M
- 0.56%
- 1Y
- 4.88%
- 3Y*
- 7.85%
- 5Y*
- 1.62%
- 10Y*
- 3.17%
SIGAX vs. PRPIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SIGAX Western Asset Corporate Bond Fund | 0.03% | 8.16% | 1.19% | 6.96% | -17.20% | -1.17% | 10.81% | 14.42% | -3.64% | 7.20% |
PRPIX T. Rowe Price Corporate Income Fund | 0.02% | 9.21% | 6.49% | 12.72% | -17.71% | -0.76% | 7.87% | 15.77% | -3.05% | 6.58% |
Correlation
The correlation between SIGAX and PRPIX is 0.86, 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 | 0.86 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.92 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.94 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.91 |
Correlation (All Time) Calculated using the full available price history since Jan 2, 1996 | 0.86 |
The correlation between SIGAX and PRPIX has been stable across timeframes, ranging from 0.86 to 0.94 - a consistent structural relationship.
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Return for Risk
SIGAX vs. PRPIX — Risk / Return Rank
SIGAX
PRPIX
SIGAX vs. PRPIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Western Asset Corporate Bond Fund (SIGAX) and T. Rowe Price Corporate Income Fund (PRPIX). 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.
| SIGAX | PRPIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.03 | ||
| Sortino ratioReturn per unit of downside risk | +0.04 | ||
| Omega ratioGain probability vs. loss probability | 1.22 | 1.22 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | 1.46 | 1.53 | -0.06 |
| Martin ratioReturn relative to average drawdown | 5.00 | 5.12 | -0.12 |
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Drawdowns
SIGAX vs. PRPIX - Drawdown Comparison
The maximum SIGAX drawdown since its inception was -30.99%, which is greater than PRPIX's maximum drawdown of -24.24%. Use the drawdown chart below to compare losses from any high point for SIGAX and PRPIX.
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Drawdown Indicators
| SIGAX | PRPIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -30.99% | -24.24% | -6.75% |
Max Drawdown (1Y)Largest decline over 1 year | -3.58% | -3.29% | -0.29% |
Max Drawdown (3Y)Largest decline over 3 years | -7.52% | -5.67% | -1.85% |
Max Drawdown (5Y)Largest decline over 5 years | -23.62% | -24.24% | +0.62% |
Max Drawdown (10Y)Largest decline over 10 years | -23.62% | -24.24% | +0.62% |
Current DrawdownCurrent decline from peak | -4.74% | -1.16% | -3.58% |
Average DrawdownAverage peak-to-trough decline | -5.01% | -2.87% | -2.14% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.05% | 0.98% | +0.07% |
Volatility
SIGAX vs. PRPIX - Volatility Comparison
Western Asset Corporate Bond Fund (SIGAX) has a higher volatility of 1.27% compared to T. Rowe Price Corporate Income Fund (PRPIX) at 1.18%. This indicates that SIGAX's price experiences larger fluctuations and is considered to be riskier than PRPIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SIGAX | PRPIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.27% | 1.18% | +0.09% |
Volatility (6M)Calculated over the trailing 6-month period | 3.22% | 3.13% | +0.09% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.22% | 4.14% | +0.08% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.78% | 6.65% | +0.13% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 6.14% | 6.06% | +0.08% |
SIGAX vs. PRPIX - Expense Ratio Comparison
SIGAX has a 0.88% expense ratio, which is higher than PRPIX's 0.56% expense ratio.
Dividends
SIGAX vs. PRPIX - Dividend Comparison
SIGAX's dividend yield for the trailing twelve months is around 4.47%, less than PRPIX's 4.68% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PRPIX T. Rowe Price Corporate Income Fund | 4.68% | 5.87% | 8.35% | 7.54% | 2.42% | 5.61% | 3.82% | 5.47% | 3.47% | 3.95% | 3.20% | 4.23% |
SIGAX Western Asset Corporate Bond Fund | 4.47% | 4.86% | 4.15% | 4.17% | 3.30% | 3.03% | 4.33% | 3.78% | 3.85% | 3.44% | 3.82% | 4.34% |
Frequently Asked Questions
SIGAX and PRPIX have a correlation of 0.86, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SIGAX has higher volatility (1.27%) compared to PRPIX (1.18%). In terms of maximum drawdown, SIGAX dropped -30.99% vs PRPIX's -24.24%.
SIGAX currently has the higher Sharpe Ratio (1.25 vs 1.22), 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.
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