PBBBX vs. ACISX
PBBBX (PIA BBB Bond Fund) and ACISX (AB Corporate Income Shares) are both Corporate Bonds funds. Over the past 10 years, PBBBX returned 2.82%/yr vs 2.94%/yr for ACISX. Their correlation of 0.92 suggests significant overlap in exposure. PBBBX charges 0.15%/yr vs 0.00%/yr for ACISX.
Performance
PBBBX vs. ACISX - Performance Comparison
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Returns By Period
In the year-to-date period, PBBBX achieves a 0.25% return, which is significantly lower than ACISX's 0.67% return. Both investments have delivered pretty close results over the past 10 years, with PBBBX having a 2.82% annualized return and ACISX not far ahead at 2.94%.
PBBBX
- 1D
- -0.35%
- 1M
- 0.81%
- YTD
- 0.25%
- 6M
- 0.56%
- 1Y
- 4.93%
- 3Y*
- 5.45%
- 5Y*
- 0.41%
- 10Y*
- 2.82%
ACISX
- 1D
- -0.30%
- 1M
- 0.84%
- YTD
- 0.67%
- 6M
- 1.21%
- 1Y
- 5.70%
- 3Y*
- 5.79%
- 5Y*
- 0.46%
- 10Y*
- 2.94%
PBBBX vs. ACISX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PBBBX PIA BBB Bond Fund | 0.25% | 8.14% | 2.41% | 9.19% | -16.35% | -1.20% | 9.37% | 16.49% | -3.02% | 7.16% |
ACISX AB Corporate Income Shares | 0.67% | 8.44% | 3.04% | 7.65% | -16.27% | -1.23% | 11.27% | 16.95% | -2.81% | 6.19% |
Correlation
The correlation between PBBBX and ACISX is 0.87, 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 | 0.87 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.91 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.93 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.93 |
Correlation (All Time) Calculated using the full available price history since Aug 7, 2012 | 0.92 |
The correlation between PBBBX and ACISX has been stable across timeframes, ranging from 0.87 to 0.93 - a consistent structural relationship.
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Return for Risk
PBBBX vs. ACISX — Risk / Return Rank
PBBBX
ACISX
PBBBX vs. ACISX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for PIA BBB Bond Fund (PBBBX) and AB Corporate Income Shares (ACISX). 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 | ACISX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.13 | ||
| Sortino ratioReturn per unit of downside risk | -0.24 | ||
| Omega ratioGain probability vs. loss probability | 1.23 | 1.25 | -0.03 |
| Calmar ratioReturn relative to maximum drawdown | 1.57 | 1.82 | -0.25 |
| Martin ratioReturn relative to average drawdown | 4.74 | 5.90 | -1.16 |
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Drawdowns
PBBBX vs. ACISX - Drawdown Comparison
The maximum PBBBX drawdown since its inception was -23.00%, roughly equal to the maximum ACISX drawdown of -22.65%. Use the drawdown chart below to compare losses from any high point for PBBBX and ACISX.
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Drawdown Indicators
| PBBBX | ACISX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -23.00% | -22.65% | -0.35% |
Max Drawdown (1Y)Largest decline over 1 year | -3.30% | -3.26% | -0.04% |
Max Drawdown (3Y)Largest decline over 3 years | -6.39% | -6.56% | +0.17% |
Max Drawdown (5Y)Largest decline over 5 years | -23.00% | -22.65% | -0.35% |
Max Drawdown (10Y)Largest decline over 10 years | -23.00% | -22.65% | -0.35% |
Current DrawdownCurrent decline from peak | -1.37% | -1.11% | -0.26% |
Average DrawdownAverage peak-to-trough decline | -3.48% | -4.45% | +0.97% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.09% | 1.00% | +0.09% |
Volatility
PBBBX vs. ACISX - Volatility Comparison
PIA BBB Bond Fund (PBBBX) and AB Corporate Income Shares (ACISX) have volatilities of 1.16% and 1.17%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PBBBX | ACISX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.16% | 1.17% | -0.01% |
Volatility (6M)Calculated over the trailing 6-month period | 3.13% | 3.18% | -0.05% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.09% | 4.25% | -0.16% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.68% | 6.49% | +0.19% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 6.03% | 6.01% | +0.02% |
PBBBX vs. ACISX - Expense Ratio Comparison
PBBBX has a 0.15% expense ratio, which is higher than ACISX's 0.00% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
PBBBX vs. ACISX - Dividend Comparison
PBBBX's dividend yield for the trailing twelve months is around 3.79%, less than ACISX's 5.08% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ACISX AB Corporate Income Shares | 5.08% | 5.10% | 4.97% | 3.66% | 3.48% | 3.44% | 5.62% | 4.77% | 3.99% | 3.28% | 3.54% | 3.63% |
PBBBX PIA BBB Bond Fund | 3.79% | 4.02% | 3.82% | 3.57% | 3.24% | 2.85% | 3.16% | 3.78% | 4.20% | 3.75% | 3.95% | 4.12% |
Frequently Asked Questions
PBBBX and ACISX have a correlation of 0.87, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ACISX has higher volatility (1.17%) compared to PBBBX (1.16%). In terms of maximum drawdown, PBBBX dropped -23.00% vs ACISX's -22.65%.
ACISX currently has the higher Sharpe Ratio (1.40 vs 1.27), 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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