BWNYX vs. ATGAX

Last updated Jun 26, 2026

BWNYX (Bullfinch Greater Western New York Series) and ATGAX (Aquila Opportunity Growth Fund) are both Mid Cap Blend Equities funds. A 0.54 correlation means they provide meaningful diversification when combined. BWNYX charges 1.52%/yr vs 1.50%/yr for ATGAX.

Performance

BWNYX vs. ATGAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Bullfinch Greater Western New York Series (BWNYX) and Aquila Opportunity Growth Fund (ATGAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

BWNYX

• 1D: 0.66%
• 1M: 3.08%
• YTD: 16.21%
• 6M: -1.33%
• 1Y: 16.66%
• 3Y*: 12.36%
• 5Y*: 6.48%
• 10Y*: 6.24%

ATGAX

• 1D: 0.17%
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

BWNYX vs. ATGAX - Yearly Performance Comparison

	2026 (YTD)
BWNYX Bullfinch Greater Western New York Series	2.79%
ATGAX Aquila Opportunity Growth Fund	1.44%

Correlation

The correlation between BWNYX and ATGAX is 0.54, 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 28, 2026	0.54

Return for Risk

BWNYX vs. ATGAX — Risk / Return Rank

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

BWNYX

BWNYX Risk / Return Rank: 16
BWNYX Sharpe Ratio Rank: 15
BWNYX Sortino Ratio Rank: 12
BWNYX Omega Ratio Rank: 24
BWNYX Calmar Ratio Rank: 17
BWNYX Martin Ratio Rank: 13

ATGAX

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

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.

BWNYX vs. ATGAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Bullfinch Greater Western New York Series (BWNYX) 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.

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.

	BWNYX	ATGAX	Difference
Sharpe ratio: Return per unit of total volatility	0.83	—	—
Sortino ratio: Return per unit of downside risk	1.08	—	—
Omega ratio: Gain probability vs. loss probability	1.21	—	—
Calmar ratio: Return relative to maximum drawdown	1.15	—	—
Martin ratio: Return relative to average drawdown	2.90	—	—

Drawdowns

BWNYX vs. ATGAX - Drawdown Comparison

The maximum BWNYX drawdown since its inception was -51.03%, which is greater than ATGAX's maximum drawdown of -3.70%. Use the drawdown chart below to compare losses from any high point for BWNYX and ATGAX.

Drawdown Indicators

	BWNYX	ATGAX	Difference
Max Drawdown Largest peak-to-trough decline	-51.03%	-3.70%	-47.33%
Max Drawdown (1Y) Largest decline over 1 year	-15.09%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-18.04%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-18.04%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-31.18%	—	—
Current Drawdown Current decline from peak	-1.33%	-1.92%	+0.59%
Average Drawdown Average peak-to-trough decline	-7.58%	-1.05%	-6.53%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.70%	—	—

Volatility

Volatility by Period

	BWNYX	ATGAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.85%	—	—
Volatility (6M) Calculated over the trailing 6-month period	18.49%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	20.94%	19.93%	+1.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.44%	19.93%	-3.49%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.21%	19.93%	-3.72%

BWNYX vs. ATGAX - Expense Ratio Comparison

BWNYX has a 1.52% expense ratio, which is higher than ATGAX's 1.50% expense ratio.

Dividends

BWNYX vs. ATGAX - Dividend Comparison

Neither BWNYX nor ATGAX has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
ATGAX Aquila Opportunity Growth Fund	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
BWNYX Bullfinch Greater Western New York Series	0.00%	0.00%	0.00%	0.66%	1.87%	2.58%	5.75%	0.11%	0.16%	0.27%

Frequently Asked Questions

Can I hold both BWNYX and ATGAX in my portfolio?

BWNYX and ATGAX have a correlation of 0.54, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.