VSCSX vs. PRPIX

Last updated Jun 4, 2026

VSCSX (Vanguard Short-Term Corporate Bond Index Fund Admiral Shares) and PRPIX (T. Rowe Price Corporate Income Fund) are both Corporate Bonds funds. Over the past 10 years, VSCSX returned 2.73%/yr vs 2.74%/yr for PRPIX. A 0.80 correlation means they provide meaningful diversification when combined. VSCSX charges 0.07%/yr vs 0.56%/yr for PRPIX.

Performance

VSCSX vs. PRPIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Short-Term Corporate Bond Index Fund Admiral Shares (VSCSX) and T. Rowe Price Corporate Income Fund (PRPIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VSCSX achieves a 0.71% return, which is significantly higher than PRPIX's 0.40% return. Both investments have delivered pretty close results over the past 10 years, with VSCSX having a 2.73% annualized return and PRPIX not far ahead at 2.74%.

VSCSX

• 1D: 0.00%
• 1M: 0.33%
• YTD: 0.71%
• 6M: 0.99%
• 1Y: 4.63%
• 3Y*: 5.66%
• 5Y*: 2.40%
• 10Y*: 2.73%

PRPIX

• 1D: 0.00%
• 1M: 0.90%
• YTD: 0.40%
• 6M: 0.85%
• 1Y: 7.91%
• 3Y*: 6.62%
• 5Y*: 0.98%
• 10Y*: 2.74%

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

VSCSX vs. PRPIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VSCSX Vanguard Short-Term Corporate Bond Index Fund Admiral Shares	0.71%	6.75%	5.36%	6.11%	-5.72%	-0.43%	5.06%	6.85%	0.88%	2.46%
PRPIX T. Rowe Price Corporate Income Fund	0.40%	9.66%	4.02%	9.47%	-17.71%	-0.76%	7.87%	15.77%	-3.05%	6.58%

Correlation

The correlation between VSCSX and PRPIX is 0.77, 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	0.77
Correlation (3Y) Calculated over the trailing 3-year period	0.81
Correlation (5Y) Calculated over the trailing 5-year period	0.82
Correlation (10Y) Calculated over the trailing 10-year period	0.79
Correlation (All Time) Calculated using the full available price history since Nov 20, 2009	0.80

The correlation between VSCSX and PRPIX has been stable across timeframes, ranging from 0.77 to 0.82 - a consistent structural relationship.

Return for Risk

VSCSX vs. PRPIX — Risk / Return Rank

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

VSCSX

VSCSX Risk / Return Rank: 80
VSCSX Sharpe Ratio Rank: 84
VSCSX Sortino Ratio Rank: 87
VSCSX Omega Ratio Rank: 83
VSCSX Calmar Ratio Rank: 76
VSCSX Martin Ratio Rank: 72

PRPIX

PRPIX Risk / Return Rank: 44
PRPIX Sharpe Ratio Rank: 44
PRPIX Sortino Ratio Rank: 49
PRPIX Omega Ratio Rank: 44
PRPIX Calmar Ratio Rank: 42
PRPIX Martin Ratio Rank: 39

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.

VSCSX vs. PRPIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Short-Term Corporate Bond Index Fund Admiral Shares (VSCSX) 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.

	VSCSX	PRPIX	Difference
Sharpe ratio: Return per unit of total volatility	2.69	1.94	+0.75
Sortino ratio: Return per unit of downside risk	4.13	2.94	+1.19
Omega ratio: Gain probability vs. loss probability	1.55	1.36	+0.19
Calmar ratio: Return relative to maximum drawdown	3.44	2.46	+0.98
Martin ratio: Return relative to average drawdown	13.75	8.53	+5.22
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VSCSX vs. PRPIX - Sharpe Ratio Comparison

The current VSCSX Sharpe Ratio is 2.69, which is higher than the PRPIX Sharpe Ratio of 1.94. The chart below compares the historical Sharpe Ratios of VSCSX and PRPIX, 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

	VSCSX	PRPIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.69	1.94	+0.75
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.89	0.15	+0.74
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	1.16	0.46	+0.70
Sharpe Ratio (All Time) Calculated using the full available price history	1.36	0.87	+0.49

Drawdowns

VSCSX vs. PRPIX - Drawdown Comparison

The maximum VSCSX drawdown since its inception was -9.36%, smaller than the maximum PRPIX drawdown of -24.24%. Use the drawdown chart below to compare losses from any high point for VSCSX and PRPIX.

Drawdown Indicators

	VSCSX	PRPIX	Difference
Max Drawdown Largest peak-to-trough decline	-9.36%	-24.24%	+14.88%
Max Drawdown (1Y) Largest decline over 1 year	-1.36%	-3.29%	+1.93%
Max Drawdown (3Y) Largest decline over 3 years	-1.36%	-6.30%	+4.94%
Max Drawdown (5Y) Largest decline over 5 years	-9.36%	-24.24%	+14.88%
Max Drawdown (10Y) Largest decline over 10 years	-9.36%	-24.24%	+14.88%
Current Drawdown Current decline from peak	-0.26%	-0.79%	+0.53%
Average Drawdown Average peak-to-trough decline	-0.98%	-3.14%	+2.16%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.34%	0.95%	-0.61%

Volatility

VSCSX vs. PRPIX - Volatility Comparison

The current volatility for Vanguard Short-Term Corporate Bond Index Fund Admiral Shares (VSCSX) is 0.57%, while T. Rowe Price Corporate Income Fund (PRPIX) has a volatility of 1.45%. This indicates that VSCSX experiences smaller price fluctuations and is considered to be less risky than PRPIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VSCSX	PRPIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.57%	1.45%	-0.88%
Volatility (6M) Calculated over the trailing 6-month period	1.27%	3.08%	-1.81%
Volatility (1Y) Calculated over the trailing 1-year period	1.75%	4.17%	-2.42%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.71%	6.59%	-3.88%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.37%	6.02%	-3.65%

VSCSX vs. PRPIX - Expense Ratio Comparison

VSCSX has a 0.07% expense ratio, which is lower than PRPIX's 0.56% expense ratio.

Dividends

VSCSX vs. PRPIX - Dividend Comparison

VSCSX's dividend yield for the trailing twelve months is around 4.42%, less than PRPIX's 6.28% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PRPIX T. Rowe Price Corporate Income Fund	6.28%	6.30%	5.97%	4.72%	2.42%	5.61%	3.82%	5.47%	3.47%	3.95%	3.20%	4.23%
VSCSX Vanguard Short-Term Corporate Bond Index Fund Admiral Shares	4.42%	4.32%	4.27%	3.07%	1.98%	1.78%	2.25%	2.85%	2.66%	2.26%	1.93%	2.21%

Frequently Asked Questions

Can I hold both VSCSX and PRPIX in my portfolio?

VSCSX and PRPIX have a correlation of 0.77, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VSCSX or PRPIX?

PRPIX has higher volatility (1.45%) compared to VSCSX (0.57%). In terms of maximum drawdown, VSCSX dropped -9.36% vs PRPIX's -24.24%.

Which has better risk-adjusted returns?

VSCSX currently has the higher Sharpe Ratio (2.69 vs 1.94), 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.