VICSX vs. CPUIX

Last updated Jun 4, 2026

VICSX (Vanguard Intermediate-Term Corporate Bond Index Fund Admiral Shares) and CPUIX (AAM/Insight Select Income Fund) are both Corporate Bonds funds. Over the past 10 years, VICSX returned 2.98%/yr vs 2.78%/yr for CPUIX. Their correlation of 0.88 suggests significant overlap in exposure. VICSX charges 0.07%/yr vs 0.57%/yr for CPUIX.

Performance

VICSX vs. CPUIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Intermediate-Term Corporate Bond Index Fund Admiral Shares (VICSX) and AAM/Insight Select Income Fund (CPUIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VICSX achieves a 0.36% return, which is significantly lower than CPUIX's 0.43% return. Over the past 10 years, VICSX has outperformed CPUIX with an annualized return of 2.98%, while CPUIX has yielded a comparatively lower 2.78% annualized return.

VICSX

• 1D: 0.04%
• 1M: 0.59%
• YTD: 0.36%
• 6M: 0.32%
• 1Y: 6.40%
• 3Y*: 6.24%
• 5Y*: 1.40%
• 10Y*: 2.98%

CPUIX

• 1D: -0.11%
• 1M: 0.40%
• YTD: 0.43%
• 6M: 0.56%
• 1Y: 6.48%
• 3Y*: 5.05%
• 5Y*: 0.34%
• 10Y*: 2.78%

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

VICSX vs. CPUIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VICSX Vanguard Intermediate-Term Corporate Bond Index Fund Admiral Shares	0.36%	9.36%	3.66%	8.88%	-14.09%	-1.56%	9.52%	13.99%	-1.73%	5.47%
CPUIX AAM/Insight Select Income Fund	0.43%	6.59%	2.61%	8.40%	-16.27%	-0.12%	10.20%	14.81%	-3.01%	6.86%

Correlation

The correlation between VICSX and CPUIX is 0.91, 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	0.91
Correlation (3Y) Calculated over the trailing 3-year period	0.93
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (10Y) Calculated over the trailing 10-year period	0.90
Correlation (All Time) Calculated using the full available price history since Jan 3, 2014	0.88

The correlation between VICSX and CPUIX has been stable across timeframes, ranging from 0.88 to 0.93 - a consistent structural relationship.

Return for Risk

VICSX vs. CPUIX — Risk / Return Rank

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

VICSX

VICSX Risk / Return Rank: 33
VICSX Sharpe Ratio Rank: 34
VICSX Sortino Ratio Rank: 34
VICSX Omega Ratio Rank: 32
VICSX Calmar Ratio Rank: 34
VICSX Martin Ratio Rank: 31

CPUIX

CPUIX Risk / Return Rank: 26
CPUIX Sharpe Ratio Rank: 26
CPUIX Sortino Ratio Rank: 28
CPUIX Omega Ratio Rank: 26
CPUIX Calmar Ratio Rank: 26
CPUIX Martin Ratio Rank: 25

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.

VICSX vs. CPUIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Intermediate-Term Corporate Bond Index Fund Admiral Shares (VICSX) and AAM/Insight Select Income Fund (CPUIX). 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.

	VICSX	CPUIX	Difference
Sharpe ratio Return per unit of total volatility	1.67	1.49	+0.18
Sortino ratio Return per unit of downside risk	2.45	2.20	+0.25
Omega ratio Gain probability vs. loss probability	1.30	1.27	+0.03
Calmar ratio Return relative to maximum drawdown	2.19	1.94	+0.25
Martin ratio Return relative to average drawdown	7.29	6.26	+1.03
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VICSX vs. CPUIX - Sharpe Ratio Comparison

The current VICSX Sharpe Ratio is 1.67, which is comparable to the CPUIX Sharpe Ratio of 1.49. The chart below compares the historical Sharpe Ratios of VICSX and CPUIX, 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

	VICSX	CPUIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.67	1.49	+0.18
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.23	0.06	+0.17
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.56	0.50	+0.06
Sharpe Ratio (All Time) Calculated using the full available price history	0.85	0.64	+0.21

Drawdowns

VICSX vs. CPUIX - Drawdown Comparison

The maximum VICSX drawdown since its inception was -20.53%, smaller than the maximum CPUIX drawdown of -22.37%. Use the drawdown chart below to compare losses from any high point for VICSX and CPUIX.

Drawdown Indicators

	VICSX	CPUIX	Difference
Max Drawdown Largest peak-to-trough decline	-20.53%	-22.37%	+1.84%
Max Drawdown (1Y) Largest decline over 1 year	-2.98%	-3.22%	+0.24%
Max Drawdown (3Y) Largest decline over 3 years	-6.02%	-6.03%	+0.01%
Max Drawdown (5Y) Largest decline over 5 years	-20.53%	-22.37%	+1.84%
Max Drawdown (10Y) Largest decline over 10 years	-20.53%	-22.37%	+1.84%
Current Drawdown Current decline from peak	-1.17%	-1.78%	+0.61%
Average Drawdown Average peak-to-trough decline	-3.16%	-4.47%	+1.31%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.89%	1.00%	-0.11%

Volatility

VICSX vs. CPUIX - Volatility Comparison

The current volatility for Vanguard Intermediate-Term Corporate Bond Index Fund Admiral Shares (VICSX) is 1.37%, while AAM/Insight Select Income Fund (CPUIX) has a volatility of 1.55%. This indicates that VICSX experiences smaller price fluctuations and is considered to be less risky than CPUIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VICSX	CPUIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.37%	1.55%	-0.18%
Volatility (6M) Calculated over the trailing 6-month period	2.90%	3.07%	-0.17%
Volatility (1Y) Calculated over the trailing 1-year period	3.93%	4.22%	-0.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.17%	5.99%	+0.18%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.34%	5.52%	-0.18%

VICSX vs. CPUIX - Expense Ratio Comparison

VICSX has a 0.07% expense ratio, which is lower than CPUIX's 0.57% expense ratio.

Dividends

VICSX vs. CPUIX - Dividend Comparison

VICSX's dividend yield for the trailing twelve months is around 4.76%, which matches CPUIX's 4.79% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CPUIX AAM/Insight Select Income Fund	4.79%	3.53%	3.81%	3.61%	3.98%	3.15%	3.83%	3.19%	3.80%	3.12%	3.21%	3.29%
VICSX Vanguard Intermediate-Term Corporate Bond Index Fund Admiral Shares	4.76%	4.59%	4.77%	3.70%	3.00%	2.76%	2.77%	3.35%	3.62%	3.22%	3.03%	3.36%

Frequently Asked Questions

Can I hold both VICSX and CPUIX in my portfolio?

With a correlation of 0.91, VICSX and CPUIX 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.

Which is riskier, VICSX or CPUIX?

CPUIX has higher volatility (1.55%) compared to VICSX (1.37%). In terms of maximum drawdown, VICSX dropped -20.53% vs CPUIX's -22.37%.

Which has better risk-adjusted returns?

VICSX currently has the higher Sharpe Ratio (1.67 vs 1.49), 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.