CRDBX vs. ATACX

Last updated Jun 4, 2026

CRDBX (Potomac Defensive Bull Fund) and ATACX (ATAC Rotation Fund) are both Tactical Allocation funds. Over the past 5 years, CRDBX returned 15.87%/yr vs 0.23%/yr for ATACX. At a 0.35 correlation, their price movements are largely independent. CRDBX charges 1.24%/yr vs 1.74%/yr for ATACX.

Performance

CRDBX vs. ATACX - Performance Comparison

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

Returns By Period

In the year-to-date period, CRDBX achieves a 18.79% return, which is significantly lower than ATACX's 20.47% return.

CRDBX

• 1D: 0.24%
• 1M: 6.93%
• YTD: 18.79%
• 6M: 18.23%
• 1Y: 42.68%
• 3Y*: 19.96%
• 5Y*: 15.87%
• 10Y*: —

ATACX

• 1D: 1.45%
• 1M: 10.17%
• YTD: 20.47%
• 6M: 18.67%
• 1Y: 30.06%
• 3Y*: 16.85%
• 5Y*: 0.23%
• 10Y*: 8.54%

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

CRDBX vs. ATACX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
CRDBX Potomac Defensive Bull Fund	18.79%	25.36%	19.91%	18.44%	-8.21%	28.08%	24.03%
ATACX ATAC Rotation Fund	20.47%	18.74%	5.05%	2.10%	-25.80%	-10.55%	18.75%

Correlation

The correlation between CRDBX and ATACX is 0.43, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.43
Correlation (3Y) Calculated over the trailing 3-year period	0.35
Correlation (5Y) Calculated over the trailing 5-year period	0.34
Correlation (All Time) Calculated using the full available price history since Jul 2, 2020	0.35

Return for Risk

CRDBX vs. ATACX — Risk / Return Rank

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

CRDBX

CRDBX Risk / Return Rank: 93
CRDBX Sharpe Ratio Rank: 92
CRDBX Sortino Ratio Rank: 90
CRDBX Omega Ratio Rank: 94
CRDBX Calmar Ratio Rank: 96
CRDBX Martin Ratio Rank: 93

ATACX

ATACX Risk / Return Rank: 53
ATACX Sharpe Ratio Rank: 40
ATACX Sortino Ratio Rank: 41
ATACX Omega Ratio Rank: 40
ATACX Calmar Ratio Rank: 89
ATACX Martin Ratio Rank: 58

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.

CRDBX vs. ATACX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Potomac Defensive Bull Fund (CRDBX) and ATAC Rotation Fund (ATACX). 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.

	CRDBX	ATACX	Difference
Sharpe ratio Return per unit of total volatility	3.13	1.85	+1.28
Sortino ratio Return per unit of downside risk	4.40	2.67	+1.73
Omega ratio Gain probability vs. loss probability	1.73	1.34	+0.39
Calmar ratio Return relative to maximum drawdown	6.21	4.49	+1.72
Martin ratio Return relative to average drawdown	20.42	11.57	+8.85
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CRDBX vs. ATACX - Sharpe Ratio Comparison

The current CRDBX Sharpe Ratio is 3.13, which is higher than the ATACX Sharpe Ratio of 1.85. The chart below compares the historical Sharpe Ratios of CRDBX and ATACX, 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

	CRDBX	ATACX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.13	1.85	+1.28
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.84	0.01	+0.83
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.42	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.10	0.34	+0.76

Drawdowns

CRDBX vs. ATACX - Drawdown Comparison

The maximum CRDBX drawdown since its inception was -28.12%, smaller than the maximum ATACX drawdown of -51.26%. Use the drawdown chart below to compare losses from any high point for CRDBX and ATACX.

Drawdown Indicators

	CRDBX	ATACX	Difference
Max Drawdown Largest peak-to-trough decline	-28.12%	-51.26%	+23.14%
Max Drawdown (1Y) Largest decline over 1 year	-7.13%	-7.34%	+0.21%
Max Drawdown (3Y) Largest decline over 3 years	-17.77%	-18.94%	+1.17%
Max Drawdown (5Y) Largest decline over 5 years	-28.12%	-46.75%	+18.63%
Max Drawdown (10Y) Largest decline over 10 years	—	-51.26%	—
Current Drawdown Current decline from peak	0.00%	-8.57%	+8.57%
Average Drawdown Average peak-to-trough decline	-6.58%	-16.78%	+10.20%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.16%	2.84%	-0.68%

Volatility

CRDBX vs. ATACX - Volatility Comparison

The current volatility for Potomac Defensive Bull Fund (CRDBX) is 4.15%, while ATAC Rotation Fund (ATACX) has a volatility of 9.49%. This indicates that CRDBX experiences smaller price fluctuations and is considered to be less risky than ATACX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CRDBX	ATACX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.15%	9.49%	-5.34%
Volatility (6M) Calculated over the trailing 6-month period	10.80%	13.81%	-3.01%
Volatility (1Y) Calculated over the trailing 1-year period	14.16%	17.85%	-3.69%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.73%	20.31%	-0.58%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.36%	20.48%	-0.12%

CRDBX vs. ATACX - Expense Ratio Comparison

CRDBX has a 1.24% expense ratio, which is lower than ATACX's 1.74% expense ratio.

Dividends

CRDBX vs. ATACX - Dividend Comparison

CRDBX's dividend yield for the trailing twelve months is around 12.93%, more than ATACX's 1.53% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
ATACX ATAC Rotation Fund	1.53%	1.85%	0.92%	0.00%	0.00%	0.00%	13.13%	0.90%	1.10%	8.15%
CRDBX Potomac Defensive Bull Fund	12.93%	15.36%	12.58%	9.91%	0.18%	25.05%	1.65%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both CRDBX and ATACX in my portfolio?

CRDBX and ATACX have a correlation of 0.43, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CRDBX or ATACX?

ATACX has higher volatility (9.49%) compared to CRDBX (4.15%). In terms of maximum drawdown, CRDBX dropped -28.12% vs ATACX's -51.26%.

Which has better risk-adjusted returns?

CRDBX currently has the higher Sharpe Ratio (3.13 vs 1.85), 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.