QCGDX vs. ATGAX

Last updated Jun 4, 2026

QCGDX (Quantified Common Ground Fund) and ATGAX (Aquila Opportunity Growth Fund) are both Mid Cap Blend Equities funds. A 0.50 correlation means they provide meaningful diversification when combined. QCGDX charges 1.68%/yr vs 1.50%/yr for ATGAX.

Performance

QCGDX vs. ATGAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Quantified Common Ground Fund (QCGDX) and Aquila Opportunity Growth Fund (ATGAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

QCGDX

• 1D: 1.49%
• 1M: 2.01%
• YTD: 18.04%
• 6M: 18.70%
• 1Y: 23.46%
• 3Y*: 13.65%
• 5Y*: 9.03%
• 10Y*: —

ATGAX

• 1D: 1.15%
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

QCGDX vs. ATGAX - Yearly Performance Comparison

	2026 (YTD)
QCGDX Quantified Common Ground Fund	1.43%
ATGAX Aquila Opportunity Growth Fund	2.03%

Correlation

The correlation between QCGDX and ATGAX is 0.50, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since May 29, 2026	0.50

Return for Risk

QCGDX vs. ATGAX — Risk / Return Rank

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

QCGDX

QCGDX Risk / Return Rank: 61
QCGDX Sharpe Ratio Rank: 45
QCGDX Sortino Ratio Rank: 47
QCGDX Omega Ratio Rank: 45
QCGDX Calmar Ratio Rank: 86
QCGDX Martin Ratio Rank: 81

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.

QCGDX vs. ATGAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Quantified Common Ground Fund (QCGDX) and Aquila Opportunity Growth Fund (ATGAX). 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.

	QCGDX	ATGAX	Difference
Sharpe ratio: Return per unit of total volatility	1.97	—	—
Sortino ratio: Return per unit of downside risk	2.91	—	—
Omega ratio: Gain probability vs. loss probability	1.37	—	—
Calmar ratio: Return relative to maximum drawdown	4.17	—	—
Martin ratio: Return relative to average drawdown	15.31	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	QCGDX	ATGAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.97	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.62	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.70	58.33	-57.64

Drawdowns

QCGDX vs. ATGAX - Drawdown Comparison

The maximum QCGDX drawdown since its inception was -22.37%, which is greater than ATGAX's maximum drawdown of 0.00%. Use the drawdown chart below to compare losses from any high point for QCGDX and ATGAX.

Drawdown Indicators

	QCGDX	ATGAX	Difference
Max Drawdown Largest peak-to-trough decline	-22.37%	0.00%	-22.37%
Max Drawdown (1Y) Largest decline over 1 year	-5.55%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-16.10%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-20.18%	—	—
Current Drawdown Current decline from peak	-0.39%	0.00%	-0.39%
Average Drawdown Average peak-to-trough decline	-6.13%	0.00%	-6.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.52%	—	—

Volatility

Volatility by Period

	QCGDX	ATGAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.50%	—	—
Volatility (6M) Calculated over the trailing 6-month period	9.22%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	11.73%	9.26%	+2.47%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.75%	9.26%	+5.49%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.46%	9.26%	+7.20%

QCGDX vs. ATGAX - Expense Ratio Comparison

QCGDX has a 1.68% expense ratio, which is higher than ATGAX's 1.50% expense ratio.

Dividends

QCGDX vs. ATGAX - Dividend Comparison

QCGDX's dividend yield for the trailing twelve months is around 0.59%, while ATGAX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020
ATGAX Aquila Opportunity Growth Fund	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
QCGDX Quantified Common Ground Fund	0.59%	0.69%	4.42%	0.22%	0.00%	5.44%	1.65%

Frequently Asked Questions

Can I hold both QCGDX and ATGAX in my portfolio?

QCGDX and ATGAX have a correlation of 0.50, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.