VBF vs. PBBBX

Last updated Jun 4, 2026

VBF (Invesco Bond Fund) and PBBBX (PIA BBB Bond Fund) are both Corporate Bonds funds. Over the past 10 years, VBF returned 2.94%/yr vs 2.93%/yr for PBBBX. At a 0.22 correlation, their price movements are largely independent. VBF charges 0.62%/yr vs 0.15%/yr for PBBBX.

Performance

VBF vs. PBBBX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Bond Fund (VBF) and PIA BBB Bond Fund (PBBBX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VBF achieves a -0.95% return, which is significantly lower than PBBBX's 0.48% return. Both investments have delivered pretty close results over the past 10 years, with VBF having a 2.94% annualized return and PBBBX not far behind at 2.93%.

VBF

• 1D: -0.07%
• 1M: -0.35%
• YTD: -0.95%
• 6M: -1.57%
• 1Y: 2.21%
• 3Y*: 5.57%
• 5Y*: -0.88%
• 10Y*: 2.94%

PBBBX

• 1D: 0.23%
• 1M: 1.04%
• YTD: 0.48%
• 6M: 0.44%
• 1Y: 6.42%
• 3Y*: 5.74%
• 5Y*: 0.76%
• 10Y*: 2.93%

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

VBF vs. PBBBX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VBF Invesco Bond Fund	-0.95%	5.46%	6.97%	2.27%	-17.77%	-5.37%	12.80%	30.91%	-11.16%	13.35%
PBBBX PIA BBB Bond Fund	0.48%	8.14%	2.41%	9.19%	-16.35%	-1.20%	9.37%	16.49%	-3.02%	7.16%

Correlation

The correlation between VBF and PBBBX is 0.53, 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	0.53
Correlation (3Y) Calculated over the trailing 3-year period	0.43
Correlation (5Y) Calculated over the trailing 5-year period	0.40
Correlation (10Y) Calculated over the trailing 10-year period	0.34
Correlation (All Time) Calculated using the full available price history since Aug 4, 2003	0.22

Over the past year, VBF and PBBBX have become more correlated (0.53) than their long-term average of 0.22, meaning their price movements have been converging.

Return for Risk

VBF vs. PBBBX — Risk / Return Rank

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

VBF

VBF Risk / Return Rank: 5
VBF Sharpe Ratio Rank: 5
VBF Sortino Ratio Rank: 5
VBF Omega Ratio Rank: 4
VBF Calmar Ratio Rank: 6
VBF Martin Ratio Rank: 6

PBBBX

PBBBX Risk / Return Rank: 31
PBBBX Sharpe Ratio Rank: 32
PBBBX Sortino Ratio Rank: 33
PBBBX Omega Ratio Rank: 32
PBBBX Calmar Ratio Rank: 29
PBBBX Martin Ratio Rank: 26

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.

VBF vs. PBBBX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Bond Fund (VBF) and PIA BBB Bond Fund (PBBBX). 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.

	VBF	PBBBX	Difference
Sharpe ratio: Return per unit of total volatility	0.37	1.62	-1.26
Sortino ratio: Return per unit of downside risk	0.60	2.39	-1.79
Omega ratio: Gain probability vs. loss probability	1.07	1.30	-0.23
Calmar ratio: Return relative to maximum drawdown	0.55	2.03	-1.48
Martin ratio: Return relative to average drawdown	1.52	6.38	-4.86
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VBF vs. PBBBX - Sharpe Ratio Comparison

The current VBF Sharpe Ratio is 0.37, which is lower than the PBBBX Sharpe Ratio of 1.62. The chart below compares the historical Sharpe Ratios of VBF and PBBBX, 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

	VBF	PBBBX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.37	1.62	-1.26
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.07	0.11	-0.19
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.23	0.49	-0.26
Sharpe Ratio (All Time) Calculated using the full available price history	0.33	0.75	-0.42

Drawdowns

VBF vs. PBBBX - Drawdown Comparison

The maximum VBF drawdown since its inception was -32.23%, which is greater than PBBBX's maximum drawdown of -23.00%. Use the drawdown chart below to compare losses from any high point for VBF and PBBBX.

Drawdown Indicators

	VBF	PBBBX	Difference
Max Drawdown Largest peak-to-trough decline	-32.23%	-23.00%	-9.23%
Max Drawdown (1Y) Largest decline over 1 year	-4.03%	-3.30%	-0.73%
Max Drawdown (3Y) Largest decline over 3 years	-11.52%	-6.39%	-5.13%
Max Drawdown (5Y) Largest decline over 5 years	-32.23%	-23.00%	-9.23%
Max Drawdown (10Y) Largest decline over 10 years	-32.23%	-23.00%	-9.23%
Current Drawdown Current decline from peak	-11.75%	-1.14%	-10.61%
Average Drawdown Average peak-to-trough decline	-7.25%	-3.49%	-3.76%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.46%	1.05%	+0.41%

Volatility

VBF vs. PBBBX - Volatility Comparison

Invesco Bond Fund (VBF) has a higher volatility of 1.74% compared to PIA BBB Bond Fund (PBBBX) at 1.52%. This indicates that VBF's price experiences larger fluctuations and is considered to be riskier than PBBBX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VBF	PBBBX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.74%	1.52%	+0.22%
Volatility (6M) Calculated over the trailing 6-month period	4.54%	3.07%	+1.47%
Volatility (1Y) Calculated over the trailing 1-year period	6.05%	4.13%	+1.92%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.38%	6.69%	+5.69%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	12.73%	6.02%	+6.71%

VBF vs. PBBBX - Expense Ratio Comparison

VBF has a 0.62% expense ratio, which is higher than PBBBX's 0.15% expense ratio.

Dividends

VBF vs. PBBBX - Dividend Comparison

VBF's dividend yield for the trailing twelve months is around 5.54%, more than PBBBX's 3.78% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PBBBX PIA BBB Bond Fund	3.78%	4.02%	3.82%	3.57%	3.24%	2.85%	3.16%	3.78%	4.20%	3.75%	3.95%	4.12%
VBF Invesco Bond Fund	5.54%	5.46%	5.51%	5.31%	4.60%	3.36%	6.89%	5.04%	5.40%	5.07%	4.56%	5.40%

Frequently Asked Questions

Can I hold both VBF and PBBBX in my portfolio?

VBF and PBBBX have a correlation of 0.53, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VBF or PBBBX?

VBF has higher volatility (1.74%) compared to PBBBX (1.52%). In terms of maximum drawdown, VBF dropped -32.23% vs PBBBX's -23.00%.

Which has better risk-adjusted returns?

PBBBX currently has the higher Sharpe Ratio (1.62 vs 0.37), 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.