PBBBX vs. VBF

Last updated Jun 25, 2026

PBBBX (PIA BBB Bond Fund) and VBF (Invesco Bond Fund) are both Corporate Bonds funds. Over the past 10 years, PBBBX returned 2.83%/yr vs 3.06%/yr for VBF. At a 0.22 correlation, their price movements are largely independent. PBBBX charges 0.15%/yr vs 0.62%/yr for VBF.

Performance

PBBBX vs. VBF - Performance Comparison

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

Returns By Period

In the year-to-date period, PBBBX achieves a 0.37% return, which is significantly higher than VBF's 0.09% return. Over the past 10 years, PBBBX has underperformed VBF with an annualized return of 2.83%, while VBF has yielded a comparatively higher 3.06% annualized return.

PBBBX

• 1D: 0.12%
• 1M: 0.93%
• YTD: 0.37%
• 6M: 0.33%
• 1Y: 4.80%
• 3Y*: 5.49%
• 5Y*: 0.43%
• 10Y*: 2.83%

VBF

• 1D: 0.54%
• 1M: 0.92%
• YTD: 0.09%
• 6M: 0.22%
• 1Y: 2.31%
• 3Y*: 5.86%
• 5Y*: -1.05%
• 10Y*: 3.06%

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

PBBBX vs. VBF - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PBBBX PIA BBB Bond Fund	0.37%	8.14%	2.41%	9.19%	-16.35%	-1.20%	9.37%	16.49%	-3.02%	7.16%
VBF Invesco Bond Fund	0.09%	5.46%	6.97%	2.27%	-17.77%	-5.37%	12.80%	30.91%	-11.16%	13.35%

Correlation

The correlation between PBBBX and VBF is 0.54, 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	0.54
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 1, 2003	0.22

Over the past year, PBBBX and VBF have become more correlated (0.54) than their long-term average of 0.22, meaning their price movements have been converging.

Return for Risk

PBBBX vs. VBF — Risk / Return Rank

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

PBBBX

PBBBX Risk / Return Rank: 23
PBBBX Sharpe Ratio Rank: 25
PBBBX Sortino Ratio Rank: 25
PBBBX Omega Ratio Rank: 24
PBBBX Calmar Ratio Rank: 23
PBBBX Martin Ratio Rank: 21

VBF

VBF Risk / Return Rank: 7
VBF Sharpe Ratio Rank: 7
VBF Sortino Ratio Rank: 6
VBF Omega Ratio Rank: 6
VBF Calmar Ratio Rank: 8
VBF Martin Ratio Rank: 7

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.

PBBBX vs. VBF - Risk-Adjusted Trends Comparison

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

	PBBBX	VBF	Difference
Sharpe ratio: Return per unit of total volatility	1.24	0.39	+0.86
Sortino ratio: Return per unit of downside risk	1.82	0.64	+1.19
Omega ratio: Gain probability vs. loss probability	1.22	1.07	+0.15
Calmar ratio: Return relative to maximum drawdown	1.54	0.58	+0.96
Martin ratio: Return relative to average drawdown	4.62	1.52	+3.10

PBBBX vs. VBF - Sharpe Ratio Comparison

The current PBBBX Sharpe Ratio is 1.24, which is higher than the VBF Sharpe Ratio of 0.39. The chart below compares the historical Sharpe Ratios of PBBBX and VBF, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

PBBBX vs. VBF - Drawdown Comparison

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

Drawdown Indicators

	PBBBX	VBF	Difference
Max Drawdown Largest peak-to-trough decline	-23.00%	-32.23%	+9.23%
Max Drawdown (1Y) Largest decline over 1 year	-3.30%	-4.03%	+0.73%
Max Drawdown (3Y) Largest decline over 3 years	-6.39%	-11.52%	+5.13%
Max Drawdown (5Y) Largest decline over 5 years	-23.00%	-32.23%	+9.23%
Max Drawdown (10Y) Largest decline over 10 years	-23.00%	-32.23%	+9.23%
Current Drawdown Current decline from peak	-1.25%	-10.82%	+9.57%
Average Drawdown Average peak-to-trough decline	-3.48%	-7.25%	+3.77%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.10%	1.53%	-0.43%

Volatility

PBBBX vs. VBF - Volatility Comparison

The current volatility for PIA BBB Bond Fund (PBBBX) is 1.16%, while Invesco Bond Fund (VBF) has a volatility of 1.71%. This indicates that PBBBX experiences smaller price fluctuations and is considered to be less risky than VBF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PBBBX	VBF	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.16%	1.71%	-0.55%
Volatility (6M) Calculated over the trailing 6-month period	3.13%	4.52%	-1.39%
Volatility (1Y) Calculated over the trailing 1-year period	4.09%	6.02%	-1.93%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.68%	12.34%	-5.66%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.03%	12.74%	-6.71%

PBBBX vs. VBF - Expense Ratio Comparison

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

Dividends

PBBBX vs. VBF - Dividend Comparison

PBBBX's dividend yield for the trailing twelve months is around 3.78%, less than VBF's 5.49% 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	5.49%	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 PBBBX and VBF in my portfolio?

PBBBX and VBF have a correlation of 0.54, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PBBBX or VBF?

VBF has higher volatility (1.71%) compared to PBBBX (1.16%). In terms of maximum drawdown, PBBBX dropped -23.00% vs VBF's -32.23%.

Which has better risk-adjusted returns?

PBBBX currently has the higher Sharpe Ratio (1.24 vs 0.39), 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.