RYSIX vs. VFINX

Last updated Jul 14, 2026

RYSIX (Rydex Electronics Fund) and VFINX (Vanguard 500 Index Fund Investor Shares) are both mutual funds - RYSIX is a Technology Equities fund managed by Rydex Funds, while VFINX is a Large Cap Blend Equities fund tracking the S&P 500 Index. Over the past 10 years, RYSIX returned 30.83%/yr vs 15.16%/yr for VFINX. A 0.76 correlation means they provide meaningful diversification when combined. RYSIX charges 1.36%/yr vs 0.14%/yr for VFINX.

Performance

RYSIX vs. VFINX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Rydex Electronics Fund (RYSIX) and Vanguard 500 Index Fund Investor Shares (VFINX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RYSIX achieves a 77.01% return, which is significantly higher than VFINX's 11.27% return. Over the past 10 years, RYSIX has outperformed VFINX with an annualized return of 30.83%, while VFINX has yielded a comparatively lower 15.16% annualized return.

RYSIX

• 1D: 0.12%
• 1M: -3.34%
• 6M: 63.02%
• YTD: 77.01%
• 1Y: 121.14%
• 3Y*: 48.11%
• 5Y*: 29.99%
• 10Y*: 30.83%

VFINX

• 1D: 0.43%
• 1M: 2.01%
• 6M: 9.13%
• YTD: 11.27%
• 1Y: 22.30%
• 3Y*: 20.95%
• 5Y*: 13.09%
• 10Y*: 15.16%

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

RYSIX vs. VFINX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RYSIX Rydex Electronics Fund	77.01%	42.02%	16.66%	55.69%	-32.46%	38.65%	56.73%	59.80%	-12.42%	31.62%
VFINX Vanguard 500 Index Fund Investor Shares	11.27%	17.71%	24.84%	26.12%	-18.24%	28.53%	18.20%	31.33%	-4.55%	21.66%

Correlation

The correlation between RYSIX and VFINX is 0.75, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.75
Correlation (3Y) Calculated over the trailing 3-year period	0.78
Correlation (5Y) Calculated over the trailing 5-year period	0.81
Correlation (10Y) Calculated over the trailing 10-year period	0.78
Correlation (All Time) Calculated using the full available price history since Jan 4, 1999	0.76

The correlation between RYSIX and VFINX has been stable across timeframes, ranging from 0.75 to 0.81 - a consistent structural relationship.

Return for Risk

RYSIX vs. VFINX — Risk / Return Rank

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

RYSIX

RYSIX Risk / Return Rank: 93
RYSIX Sharpe Ratio Rank: 97
RYSIX Sortino Ratio Rank: 85
RYSIX Omega Ratio Rank: 85
RYSIX Calmar Ratio Rank: 98
RYSIX Martin Ratio Rank: 98

VFINX

VFINX Risk / Return Rank: 64
VFINX Sharpe Ratio Rank: 63
VFINX Sortino Ratio Rank: 58
VFINX Omega Ratio Rank: 60
VFINX Calmar Ratio Rank: 64
VFINX Martin Ratio Rank: 76

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.

RYSIX vs. VFINX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Rydex Electronics Fund (RYSIX) and Vanguard 500 Index Fund Investor Shares (VFINX). 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.

	RYSIX	VFINX	Difference
Sharpe ratio: Return per unit of total volatility	3.07	1.76	+1.32
Sortino ratio: Return per unit of downside risk	3.26	2.42	+0.84
Omega ratio: Gain probability vs. loss probability	1.45	1.32	+0.13
Calmar ratio: Return relative to maximum drawdown	7.76	2.47	+5.29
Martin ratio: Return relative to average drawdown	25.41	10.82	+14.59

RYSIX vs. VFINX - Sharpe Ratio Comparison

The current RYSIX Sharpe Ratio is 3.07, which is higher than the VFINX Sharpe Ratio of 1.76. The chart below compares the historical Sharpe Ratios of RYSIX and VFINX, 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

RYSIX vs. VFINX - Drawdown Comparison

The maximum RYSIX drawdown since its inception was -88.66%, which is greater than VFINX's maximum drawdown of -55.25%. Use the drawdown chart below to compare losses from any high point for RYSIX and VFINX.

Drawdown Indicators

	RYSIX	VFINX	Difference
Max Drawdown Largest peak-to-trough decline	-88.66%	-55.25%	-33.41%
Max Drawdown (1Y) Largest decline over 1 year	-15.56%	-8.92%	-6.64%
Max Drawdown (3Y) Largest decline over 3 years	-40.57%	-18.76%	-21.81%
Max Drawdown (5Y) Largest decline over 5 years	-43.80%	-24.59%	-19.21%
Max Drawdown (10Y) Largest decline over 10 years	-43.80%	-33.83%	-9.97%
Current Drawdown Current decline from peak	-10.62%	-0.33%	-10.29%
Average Drawdown Average peak-to-trough decline	-49.55%	-8.27%	-41.28%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.74%	2.03%	+2.71%

Volatility

RYSIX vs. VFINX - Volatility Comparison

Rydex Electronics Fund (RYSIX) has a higher volatility of 20.29% compared to Vanguard 500 Index Fund Investor Shares (VFINX) at 4.26%. This indicates that RYSIX's price experiences larger fluctuations and is considered to be riskier than VFINX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RYSIX	VFINX	Difference
Volatility (1M) Calculated over the trailing 1-month period	20.29%	4.26%	+16.03%
Volatility (6M) Calculated over the trailing 6-month period	33.42%	9.96%	+23.46%
Volatility (1Y) Calculated over the trailing 1-year period	39.29%	12.52%	+26.77%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	37.43%	17.00%	+20.43%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	34.22%	18.05%	+16.17%

RYSIX vs. VFINX - Expense Ratio Comparison

RYSIX has a 1.36% expense ratio, which is higher than VFINX's 0.14% expense ratio.

Dividends

RYSIX vs. VFINX - Dividend Comparison

RYSIX's dividend yield for the trailing twelve months is around 1.83%, more than VFINX's 0.96% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RYSIX Rydex Electronics Fund	1.83%	3.24%	1.73%	0.00%	0.00%	3.34%	2.04%	0.01%	10.18%	0.05%	0.00%	0.16%
VFINX Vanguard 500 Index Fund Investor Shares	0.96%	1.02%	1.14%	1.36%	1.57%	1.15%	1.45%	1.77%	1.94%	1.69%	1.92%	1.99%

Frequently Asked Questions

Can I hold both RYSIX and VFINX in my portfolio?

RYSIX and VFINX have a correlation of 0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RYSIX or VFINX?

RYSIX has higher volatility (20.29%) compared to VFINX (4.26%). In terms of maximum drawdown, RYSIX dropped -88.66% vs VFINX's -55.25%.

Which has better risk-adjusted returns?

RYSIX currently has the higher Sharpe Ratio (3.07 vs 1.76), 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.