NEXTX vs. VMGMX

Last updated Apr 2, 2026

Compare and contrast key facts about Shelton Green Alpha Fund (NEXTX) and Vanguard Mid-Cap Growth Index Fund Admiral Shares (VMGMX).

NEXTX is managed by Shelton Capital Management. It was launched on Mar 12, 2013. VMGMX is managed by Vanguard. It was launched on Sep 27, 2011.

Performance

NEXTX vs. VMGMX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Shelton Green Alpha Fund (NEXTX) and Vanguard Mid-Cap Growth Index Fund Admiral Shares (VMGMX). The values are adjusted to include any dividend payments, if applicable.

NEXTX vs. VMGMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NEXTX Shelton Green Alpha Fund	3.82%	11.33%	-2.54%	2.11%	-26.80%	2.59%	113.89%	43.72%	-18.90%	29.53%
VMGMX Vanguard Mid-Cap Growth Index Fund Admiral Shares	-7.61%	10.69%	15.65%	23.93%	-28.84%	20.48%	34.45%	33.85%	-5.61%	21.83%

Returns By Period

In the year-to-date period, NEXTX achieves a 3.82% return, which is significantly higher than VMGMX's -7.61% return. Both investments have delivered pretty close results over the past 10 years, with NEXTX having a 10.73% annualized return and VMGMX not far behind at 10.62%.

NEXTX

• 1D: 2.47%
• 1M: -5.39%
• YTD: 3.82%
• 6M: -0.31%
• 1Y: 22.77%
• 3Y*: 2.63%
• 5Y*: -3.69%
• 10Y*: 10.73%

VMGMX

• 1D: 3.15%
• 1M: -7.31%
• YTD: -7.61%
• 6M: -12.10%
• 1Y: 5.25%
• 3Y*: 10.47%
• 5Y*: 4.04%
• 10Y*: 10.62%

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

NEXTX vs. VMGMX - Expense Ratio Comparison

NEXTX has a 1.16% expense ratio, which is higher than VMGMX's 0.07% expense ratio.

NEXTX

Shelton Green Alpha Fund

VMGMX

Vanguard Mid-Cap Growth Index Fund Admiral Shares

Return for Risk

NEXTX vs. VMGMX — Risk / Return Rank

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

NEXTX

NEXTX Risk / Return Rank: 63
NEXTX Sharpe Ratio Rank: 63
NEXTX Sortino Ratio Rank: 65
NEXTX Omega Ratio Rank: 54
NEXTX Calmar Ratio Rank: 75
NEXTX Martin Ratio Rank: 58

VMGMX

VMGMX Risk / Return Rank: 12
VMGMX Sharpe Ratio Rank: 10
VMGMX Sortino Ratio Rank: 11
VMGMX Omega Ratio Rank: 10
VMGMX Calmar Ratio Rank: 13
VMGMX Martin Ratio Rank: 13

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.

NEXTX vs. VMGMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Shelton Green Alpha Fund (NEXTX) and Vanguard Mid-Cap Growth Index Fund Admiral Shares (VMGMX). 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.

	NEXTX	VMGMX	Difference
Sharpe ratio Return per unit of total volatility	1.19	0.28	+0.90
Sortino ratio Return per unit of downside risk	1.74	0.55	+1.19
Omega ratio Gain probability vs. loss probability	1.23	1.07	+0.16
Calmar ratio Return relative to maximum drawdown	1.87	0.39	+1.48
Martin ratio Return relative to average drawdown	6.02	1.21	+4.81
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NEXTX vs. VMGMX - Sharpe Ratio Comparison

The current NEXTX Sharpe Ratio is 1.19, which is higher than the VMGMX Sharpe Ratio of 0.28. The chart below compares the historical Sharpe Ratios of NEXTX and VMGMX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	NEXTX	VMGMX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.19	0.28	+0.90
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.16	0.19	-0.35
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.44	0.51	-0.07
Sharpe Ratio (All Time) Calculated using the full available price history	0.47	0.59	-0.12

Correlation

The correlation between NEXTX and VMGMX is 0.83, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

NEXTX vs. VMGMX - Dividend Comparison

NEXTX's dividend yield for the trailing twelve months is around 0.19%, less than VMGMX's 0.71% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NEXTX Shelton Green Alpha Fund	0.19%	0.20%	0.20%	0.20%	0.35%	4.65%	1.05%	0.21%	1.59%	2.88%	0.00%	0.00%
VMGMX Vanguard Mid-Cap Growth Index Fund Admiral Shares	0.71%	0.64%	0.67%	0.71%	0.78%	0.34%	0.56%	0.78%	0.84%	0.72%	0.81%	0.82%

Drawdowns

NEXTX vs. VMGMX - Drawdown Comparison

The maximum NEXTX drawdown since its inception was -47.15%, which is greater than VMGMX's maximum drawdown of -37.17%. Use the drawdown chart below to compare losses from any high point for NEXTX and VMGMX.

Drawdown Indicators

	NEXTX	VMGMX	Difference
Max Drawdown Largest peak-to-trough decline	-47.15%	-37.17%	-9.98%
Max Drawdown (1Y) Largest decline over 1 year	-12.28%	-15.95%	+3.67%
Max Drawdown (5Y) Largest decline over 5 years	-47.15%	-37.17%	-9.98%
Max Drawdown (10Y) Largest decline over 10 years	-47.15%	-37.17%	-9.98%
Current Drawdown Current decline from peak	-26.69%	-13.31%	-13.38%
Average Drawdown Average peak-to-trough decline	-15.29%	-7.05%	-8.24%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.82%	5.11%	-1.29%

Volatility

NEXTX vs. VMGMX - Volatility Comparison

The current volatility for Shelton Green Alpha Fund (NEXTX) is 5.76%, while Vanguard Mid-Cap Growth Index Fund Admiral Shares (VMGMX) has a volatility of 6.47%. This indicates that NEXTX experiences smaller price fluctuations and is considered to be less risky than VMGMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NEXTX	VMGMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.76%	6.47%	-0.71%
Volatility (6M) Calculated over the trailing 6-month period	12.30%	12.40%	-0.10%
Volatility (1Y) Calculated over the trailing 1-year period	19.96%	21.07%	-1.11%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.84%	21.39%	+2.45%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.69%	20.93%	+3.76%