FCBTX vs. ACISX
FCBTX (Fidelity Advisor Corporate Bond Fund Class M) and ACISX (AB Corporate Income Shares) are both Corporate Bonds funds. Over the past 10 years, FCBTX returned 2.27%/yr vs 2.94%/yr for ACISX. Their correlation of 0.95 suggests significant overlap in exposure. FCBTX charges 0.81%/yr vs 0.00%/yr for ACISX.
Performance
FCBTX vs. ACISX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, FCBTX achieves a 0.03% return, which is significantly lower than ACISX's 0.67% return. Over the past 10 years, FCBTX has underperformed ACISX with an annualized return of 2.27%, while ACISX has yielded a comparatively higher 2.94% annualized return.
FCBTX
- 1D
- -0.28%
- 1M
- 0.53%
- YTD
- 0.03%
- 6M
- 0.45%
- 1Y
- 4.43%
- 3Y*
- 4.83%
- 5Y*
- -0.28%
- 10Y*
- 2.27%
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%
FCBTX vs. ACISX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FCBTX Fidelity Advisor Corporate Bond Fund Class M | 0.03% | 7.48% | 2.16% | 8.07% | -17.35% | -1.88% | 10.41% | 14.02% | -2.98% | 6.37% |
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 FCBTX and ACISX is 0.96 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.96 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.97 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.97 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.95 |
Correlation (All Time) Calculated using the full available price history since Aug 7, 2012 | 0.95 |
The correlation between FCBTX and ACISX has been stable across timeframes, ranging from 0.95 to 0.97 - a consistent structural relationship.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
FCBTX vs. ACISX — Risk / Return Rank
FCBTX
ACISX
FCBTX vs. ACISX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Corporate Bond Fund Class M (FCBTX) 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.
| FCBTX | ACISX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.32 | ||
| Sortino ratioReturn per unit of downside risk | -0.52 | ||
| Omega ratioGain probability vs. loss probability | 1.19 | 1.25 | -0.06 |
| Calmar ratioReturn relative to maximum drawdown | 1.40 | 1.82 | -0.42 |
| Martin ratioReturn relative to average drawdown | 4.32 | 5.90 | -1.58 |
Loading charts...
Drawdowns
FCBTX vs. ACISX - Drawdown Comparison
The maximum FCBTX drawdown since its inception was -23.60%, roughly equal to the maximum ACISX drawdown of -22.65%. Use the drawdown chart below to compare losses from any high point for FCBTX and ACISX.
Loading charts...
Drawdown Indicators
| FCBTX | ACISX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -23.60% | -22.65% | -0.95% |
Max Drawdown (1Y)Largest decline over 1 year | -3.31% | -3.26% | -0.05% |
Max Drawdown (3Y)Largest decline over 3 years | -6.66% | -6.56% | -0.10% |
Max Drawdown (5Y)Largest decline over 5 years | -23.47% | -22.65% | -0.82% |
Max Drawdown (10Y)Largest decline over 10 years | -23.60% | -22.65% | -0.95% |
Current DrawdownCurrent decline from peak | -3.73% | -1.11% | -2.62% |
Average DrawdownAverage peak-to-trough decline | -4.37% | -4.45% | +0.08% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.08% | 1.00% | +0.08% |
Volatility
FCBTX vs. ACISX - Volatility Comparison
Fidelity Advisor Corporate Bond Fund Class M (FCBTX) and AB Corporate Income Shares (ACISX) have volatilities of 1.17% 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.
Loading charts...
Volatility by Period
| FCBTX | ACISX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.17% | 1.17% | 0.00% |
Volatility (6M)Calculated over the trailing 6-month period | 3.24% | 3.18% | +0.06% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.31% | 4.25% | +0.06% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.70% | 6.49% | +0.21% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.96% | 6.01% | -0.05% |
FCBTX vs. ACISX - Expense Ratio Comparison
FCBTX has a 0.81% expense ratio, which is higher than ACISX's 0.00% expense ratio.
Dividends
FCBTX vs. ACISX - Dividend Comparison
FCBTX's dividend yield for the trailing twelve months is around 3.90%, 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% |
FCBTX Fidelity Advisor Corporate Bond Fund Class M | 3.90% | 3.76% | 3.30% | 3.10% | 2.23% | 2.53% | 3.04% | 2.89% | 3.21% | 2.74% | 3.09% | 2.62% |
Frequently Asked Questions
With a correlation of 0.96, FCBTX and ACISX 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.
ACISX has higher volatility (1.17%) compared to FCBTX (1.17%). In terms of maximum drawdown, FCBTX dropped -23.60% vs ACISX's -22.65%.
ACISX currently has the higher Sharpe Ratio (1.40 vs 1.08), 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.
Find the right allocation for FCBTX and ACISX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer