CABNX vs. CRDBX

Last updated Jun 23, 2026

CABNX (AB Global Risk Allocation Fund) and CRDBX (Potomac Defensive Bull Fund) are both Tactical Allocation funds. Over the past 5 years, CABNX returned 5.16%/yr vs 16.23%/yr for CRDBX. At a 0.47 correlation, their price movements are largely independent. CABNX charges 1.29%/yr vs 1.24%/yr for CRDBX.

Performance

CABNX vs. CRDBX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AB Global Risk Allocation Fund (CABNX) and Potomac Defensive Bull Fund (CRDBX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CABNX achieves a 6.17% return, which is significantly lower than CRDBX's 20.55% return.

CABNX

• 1D: 0.36%
• 1M: 0.18%
• YTD: 6.17%
• 6M: 6.30%
• 1Y: 14.76%
• 3Y*: 10.34%
• 5Y*: 5.16%
• 10Y*: 6.69%

CRDBX

• 1D: 1.73%
• 1M: 4.60%
• YTD: 20.55%
• 6M: 19.60%
• 1Y: 44.70%
• 3Y*: 20.50%
• 5Y*: 16.23%
• 10Y*: —

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

CABNX vs. CRDBX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
CABNX AB Global Risk Allocation Fund	6.17%	13.72%	7.37%	6.10%	-9.95%	11.98%	17.22%
CRDBX Potomac Defensive Bull Fund	20.55%	25.36%	19.91%	18.44%	-8.21%	28.08%	24.03%

Correlation

The correlation between CABNX and CRDBX is 0.62, 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	0.62
Correlation (3Y) Calculated over the trailing 3-year period	0.54
Correlation (5Y) Calculated over the trailing 5-year period	0.47
Correlation (All Time) Calculated using the full available price history since Jul 1, 2020	0.47

The correlation between CABNX and CRDBX shifts across timeframes, from 0.47 (all time) to 0.62 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

CABNX vs. CRDBX — Risk / Return Rank

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

CABNX

CABNX Risk / Return Rank: 41
CABNX Sharpe Ratio Rank: 41
CABNX Sortino Ratio Rank: 37
CABNX Omega Ratio Rank: 40
CABNX Calmar Ratio Rank: 39
CABNX Martin Ratio Rank: 46

CRDBX

CRDBX Risk / Return Rank: 94
CRDBX Sharpe Ratio Rank: 94
CRDBX Sortino Ratio Rank: 90
CRDBX Omega Ratio Rank: 92
CRDBX Calmar Ratio Rank: 97
CRDBX Martin Ratio Rank: 95

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.

CABNX vs. CRDBX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AB Global Risk Allocation Fund (CABNX) and Potomac Defensive Bull Fund (CRDBX). 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.

	CABNX	CRDBX	Difference
Sharpe ratio: Return per unit of total volatility	1.75	2.95	-1.21
Sortino ratio: Return per unit of downside risk	2.38	4.12	-1.74
Omega ratio: Gain probability vs. loss probability	1.31	1.66	-0.34
Calmar ratio: Return relative to maximum drawdown	2.26	6.32	-4.06
Martin ratio: Return relative to average drawdown	9.15	20.49	-11.34

CABNX vs. CRDBX - Sharpe Ratio Comparison

The current CABNX Sharpe Ratio is 1.75, which is lower than the CRDBX Sharpe Ratio of 2.95. The chart below compares the historical Sharpe Ratios of CABNX and CRDBX, 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

CABNX vs. CRDBX - Drawdown Comparison

The maximum CABNX drawdown since its inception was -43.79%, which is greater than CRDBX's maximum drawdown of -28.12%. Use the drawdown chart below to compare losses from any high point for CABNX and CRDBX.

Drawdown Indicators

	CABNX	CRDBX	Difference
Max Drawdown Largest peak-to-trough decline	-43.79%	-28.12%	-15.67%
Max Drawdown (1Y) Largest decline over 1 year	-6.40%	-7.13%	+0.73%
Max Drawdown (3Y) Largest decline over 3 years	-18.75%	-17.77%	-0.98%
Max Drawdown (5Y) Largest decline over 5 years	-18.75%	-28.12%	+9.37%
Max Drawdown (10Y) Largest decline over 10 years	-24.51%	—	—
Current Drawdown Current decline from peak	-1.31%	-1.33%	+0.02%
Average Drawdown Average peak-to-trough decline	-5.53%	-6.53%	+1.00%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.58%	2.19%	-0.61%

Volatility

CABNX vs. CRDBX - Volatility Comparison

The current volatility for AB Global Risk Allocation Fund (CABNX) is 3.18%, while Potomac Defensive Bull Fund (CRDBX) has a volatility of 6.17%. This indicates that CABNX experiences smaller price fluctuations and is considered to be less risky than CRDBX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CABNX	CRDBX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.18%	6.17%	-2.99%
Volatility (6M) Calculated over the trailing 6-month period	6.90%	11.94%	-5.04%
Volatility (1Y) Calculated over the trailing 1-year period	8.28%	15.24%	-6.96%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.99%	19.87%	-6.88%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.30%	20.41%	-9.11%

CABNX vs. CRDBX - Expense Ratio Comparison

CABNX has a 1.29% expense ratio, which is higher than CRDBX's 1.24% expense ratio.

Dividends

CABNX vs. CRDBX - Dividend Comparison

CABNX's dividend yield for the trailing twelve months is around 8.78%, less than CRDBX's 12.74% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CABNX AB Global Risk Allocation Fund	8.78%	9.32%	16.76%	1.39%	8.47%	9.67%	3.02%	1.32%	0.60%	3.16%	5.53%	0.06%
CRDBX Potomac Defensive Bull Fund	12.74%	15.36%	12.58%	9.91%	0.18%	25.05%	1.65%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both CABNX and CRDBX in my portfolio?

CABNX and CRDBX have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CABNX or CRDBX?

CRDBX has higher volatility (6.17%) compared to CABNX (3.18%). In terms of maximum drawdown, CABNX dropped -43.79% vs CRDBX's -28.12%.

Which has better risk-adjusted returns?

CRDBX currently has the higher Sharpe Ratio (2.95 vs 1.75), 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.