CFNTX vs. NASDX

Last updated Jun 24, 2026

CFNTX (Green California Tax-Free Income Fund) and NASDX (Shelton Capital Management Nasdaq-100 Index Fund Direct Shares) are both mutual funds - CFNTX is a Municipal Bonds fund managed by Shelton Capital Management, while NASDX is a Large Cap Growth Equities fund tracking the NASDAQ-100 Index. Over the past 10 years, CFNTX returned 1.54%/yr vs 23.09%/yr for NASDX. At a correlation of -0.07, they often move in opposite directions. CFNTX charges 0.76%/yr vs 0.63%/yr for NASDX.

Performance

CFNTX vs. NASDX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Green California Tax-Free Income Fund (CFNTX) and Shelton Capital Management Nasdaq-100 Index Fund Direct Shares (NASDX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CFNTX achieves a 1.89% return, which is significantly lower than NASDX's 20.21% return. Over the past 10 years, CFNTX has underperformed NASDX with an annualized return of 1.54%, while NASDX has yielded a comparatively higher 23.09% annualized return.

CFNTX

• 1D: 0.00%
• 1M: 2.18%
• YTD: 1.89%
• 6M: 2.06%
• 1Y: 5.84%
• 3Y*: 3.75%
• 5Y*: 1.25%
• 10Y*: 1.54%

NASDX

• 1D: -0.16%
• 1M: 3.00%
• YTD: 20.21%
• 6M: 18.70%
• 1Y: 39.39%
• 3Y*: 31.17%
• 5Y*: 18.92%
• 10Y*: 23.09%

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

CFNTX vs. NASDX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CFNTX Green California Tax-Free Income Fund	1.89%	2.54%	1.13%	7.39%	-6.28%	-0.04%	3.22%	5.39%	0.96%	3.35%
NASDX Shelton Capital Management Nasdaq-100 Index Fund Direct Shares	20.21%	21.00%	36.91%	54.69%	-32.57%	27.32%	48.59%	38.22%	-1.21%	31.27%

Correlation

The correlation between CFNTX and NASDX is 0.17, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.17
Correlation (3Y) Calculated over the trailing 3-year period	0.12
Correlation (5Y) Calculated over the trailing 5-year period	0.12
Correlation (10Y) Calculated over the trailing 10-year period	0.04
Correlation (All Time) Calculated using the full available price history since Jan 18, 2000	-0.07

The correlation between CFNTX and NASDX shifts across timeframes, from -0.07 (all time) to 0.17 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

CFNTX vs. NASDX — Risk / Return Rank

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

CFNTX

CFNTX Risk / Return Rank: 64
CFNTX Sharpe Ratio Rank: 74
CFNTX Sortino Ratio Rank: 76
CFNTX Omega Ratio Rank: 89
CFNTX Calmar Ratio Rank: 38
CFNTX Martin Ratio Rank: 40

NASDX

NASDX Risk / Return Rank: 71
NASDX Sharpe Ratio Rank: 75
NASDX Sortino Ratio Rank: 62
NASDX Omega Ratio Rank: 64
NASDX Calmar Ratio Rank: 80
NASDX Martin Ratio Rank: 73

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.

CFNTX vs. NASDX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Green California Tax-Free Income Fund (CFNTX) and Shelton Capital Management Nasdaq-100 Index Fund Direct Shares (NASDX). 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.

	CFNTX	NASDX	Difference
Sharpe ratio: Return per unit of total volatility	2.30	2.32	-0.02
Sortino ratio: Return per unit of downside risk	3.36	3.01	+0.34
Omega ratio: Gain probability vs. loss probability	1.60	1.40	+0.20
Calmar ratio: Return relative to maximum drawdown	2.21	3.45	-1.24
Martin ratio: Return relative to average drawdown	8.27	12.98	-4.70

CFNTX vs. NASDX - Sharpe Ratio Comparison

The current CFNTX Sharpe Ratio is 2.30, which is comparable to the NASDX Sharpe Ratio of 2.32. The chart below compares the historical Sharpe Ratios of CFNTX and NASDX, 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

CFNTX vs. NASDX - Drawdown Comparison

The maximum CFNTX drawdown since its inception was -16.08%, smaller than the maximum NASDX drawdown of -83.16%. Use the drawdown chart below to compare losses from any high point for CFNTX and NASDX.

Drawdown Indicators

	CFNTX	NASDX	Difference
Max Drawdown Largest peak-to-trough decline	-16.08%	-83.16%	+67.08%
Max Drawdown (1Y) Largest decline over 1 year	-2.70%	-11.90%	+9.20%
Max Drawdown (3Y) Largest decline over 3 years	-5.28%	-22.71%	+17.43%
Max Drawdown (5Y) Largest decline over 5 years	-9.99%	-35.33%	+25.34%
Max Drawdown (10Y) Largest decline over 10 years	-9.99%	-35.33%	+25.34%
Current Drawdown Current decline from peak	0.00%	-0.96%	+0.96%
Average Drawdown Average peak-to-trough decline	-2.09%	-34.30%	+32.21%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.72%	3.16%	-2.44%

Volatility

CFNTX vs. NASDX - Volatility Comparison

The current volatility for Green California Tax-Free Income Fund (CFNTX) is 0.75%, while Shelton Capital Management Nasdaq-100 Index Fund Direct Shares (NASDX) has a volatility of 8.36%. This indicates that CFNTX experiences smaller price fluctuations and is considered to be less risky than NASDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CFNTX	NASDX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.75%	8.36%	-7.61%
Volatility (6M) Calculated over the trailing 6-month period	2.18%	14.19%	-12.01%
Volatility (1Y) Calculated over the trailing 1-year period	2.59%	17.74%	-15.15%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.28%	23.29%	-20.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.19%	22.81%	-19.62%

CFNTX vs. NASDX - Expense Ratio Comparison

CFNTX has a 0.76% expense ratio, which is higher than NASDX's 0.63% expense ratio.

Dividends

CFNTX vs. NASDX - Dividend Comparison

CFNTX's dividend yield for the trailing twelve months is around 2.69%, less than NASDX's 3.01% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CFNTX Green California Tax-Free Income Fund	2.69%	2.38%	2.64%	5.32%	2.05%	1.95%	1.79%	2.53%	2.27%	2.52%	3.03%	2.40%
NASDX Shelton Capital Management Nasdaq-100 Index Fund Direct Shares	3.01%	3.76%	16.95%	7.61%	3.75%	2.59%	1.28%	7.09%	2.47%	1.65%	0.75%	0.85%

Frequently Asked Questions

Can I hold both CFNTX and NASDX in my portfolio?

CFNTX and NASDX have a correlation of 0.17, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CFNTX or NASDX?

NASDX has higher volatility (8.36%) compared to CFNTX (0.75%). In terms of maximum drawdown, CFNTX dropped -16.08% vs NASDX's -83.16%.

Which has better risk-adjusted returns?

NASDX currently has the higher Sharpe Ratio (2.32 vs 2.30), 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.