RYGRX vs. FOCKX

Last updated Jun 4, 2026

RYGRX (Rydex S&P 500 Pure Growth Fund) and FOCKX (Fidelity OTC Portfolio Class K) are both Large Cap Growth Equities funds. Over the past 10 years, RYGRX returned 13.20%/yr vs 22.74%/yr for FOCKX. Their correlation of 0.89 suggests significant overlap in exposure. RYGRX charges 2.26%/yr vs 0.73%/yr for FOCKX.

Performance

RYGRX vs. FOCKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Rydex S&P 500 Pure Growth Fund (RYGRX) and Fidelity OTC Portfolio Class K (FOCKX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RYGRX achieves a 30.14% return, which is significantly higher than FOCKX's 27.65% return. Over the past 10 years, RYGRX has underperformed FOCKX with an annualized return of 13.20%, while FOCKX has yielded a comparatively higher 22.74% annualized return.

RYGRX

• 1D: 0.92%
• 1M: 11.15%
• YTD: 30.14%
• 6M: 30.55%
• 1Y: 37.82%
• 3Y*: 25.67%
• 5Y*: 11.07%
• 10Y*: 13.20%

FOCKX

• 1D: 0.76%
• 1M: 10.65%
• YTD: 27.65%
• 6M: 28.76%
• 1Y: 62.04%
• 3Y*: 34.92%
• 5Y*: 19.63%
• 10Y*: 22.74%

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

RYGRX vs. FOCKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RYGRX Rydex S&P 500 Pure Growth Fund	30.14%	11.00%	25.73%	5.80%	-28.71%	26.61%	26.34%	34.13%	-6.28%	23.74%
FOCKX Fidelity OTC Portfolio Class K	27.65%	22.28%	38.91%	42.92%	-32.07%	25.06%	46.83%	39.36%	-3.18%	38.78%

Correlation

The correlation between RYGRX and FOCKX is 0.76, 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	0.76
Correlation (3Y) Calculated over the trailing 3-year period	0.77
Correlation (5Y) Calculated over the trailing 5-year period	0.83
Correlation (10Y) Calculated over the trailing 10-year period	0.86
Correlation (All Time) Calculated using the full available price history since May 12, 2008	0.89

The correlation between RYGRX and FOCKX shifts across timeframes, from 0.76 (1 year) to 0.89 (all time), reflecting how their relationship changes across market environments.

Return for Risk

RYGRX vs. FOCKX — Risk / Return Rank

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

RYGRX

RYGRX Risk / Return Rank: 55
RYGRX Sharpe Ratio Rank: 46
RYGRX Sortino Ratio Rank: 42
RYGRX Omega Ratio Rank: 41
RYGRX Calmar Ratio Rank: 78
RYGRX Martin Ratio Rank: 71

FOCKX

FOCKX Risk / Return Rank: 93
FOCKX Sharpe Ratio Rank: 96
FOCKX Sortino Ratio Rank: 90
FOCKX Omega Ratio Rank: 87
FOCKX Calmar Ratio Rank: 94
FOCKX Martin Ratio Rank: 96

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.

RYGRX vs. FOCKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Rydex S&P 500 Pure Growth Fund (RYGRX) and Fidelity OTC Portfolio Class K (FOCKX). 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.

	RYGRX	FOCKX	Difference
Sharpe ratio: Return per unit of total volatility	2.00	3.56	-1.56
Sortino ratio: Return per unit of downside risk	2.70	4.41	-1.70
Omega ratio: Gain probability vs. loss probability	1.35	1.59	-0.25
Calmar ratio: Return relative to maximum drawdown	3.53	5.61	-2.08
Martin ratio: Return relative to average drawdown	13.56	24.83	-11.27
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RYGRX vs. FOCKX - Sharpe Ratio Comparison

The current RYGRX Sharpe Ratio is 2.00, which is lower than the FOCKX Sharpe Ratio of 3.56. The chart below compares the historical Sharpe Ratios of RYGRX and FOCKX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	RYGRX	FOCKX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.00	3.56	-1.56
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.47	0.87	-0.40
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.58	1.02	-0.44
Sharpe Ratio (All Time) Calculated using the full available price history	0.44	0.74	-0.30

Drawdowns

RYGRX vs. FOCKX - Drawdown Comparison

The maximum RYGRX drawdown since its inception was -54.22%, roughly equal to the maximum FOCKX drawdown of -53.33%. Use the drawdown chart below to compare losses from any high point for RYGRX and FOCKX.

Drawdown Indicators

	RYGRX	FOCKX	Difference
Max Drawdown Largest peak-to-trough decline	-54.22%	-53.33%	-0.89%
Max Drawdown (1Y) Largest decline over 1 year	-11.17%	-11.28%	+0.11%
Max Drawdown (3Y) Largest decline over 3 years	-24.95%	-24.83%	-0.12%
Max Drawdown (5Y) Largest decline over 5 years	-36.57%	-36.97%	+0.40%
Max Drawdown (10Y) Largest decline over 10 years	-36.63%	-36.97%	+0.34%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-9.41%	-8.38%	-1.03%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.91%	2.54%	+0.37%

Volatility

RYGRX vs. FOCKX - Volatility Comparison

Rydex S&P 500 Pure Growth Fund (RYGRX) has a higher volatility of 6.39% compared to Fidelity OTC Portfolio Class K (FOCKX) at 5.39%. This indicates that RYGRX's price experiences larger fluctuations and is considered to be riskier than FOCKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RYGRX	FOCKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.39%	5.39%	+1.00%
Volatility (6M) Calculated over the trailing 6-month period	16.30%	13.94%	+2.36%
Volatility (1Y) Calculated over the trailing 1-year period	19.71%	17.79%	+1.92%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.50%	22.68%	+0.82%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.88%	22.46%	+0.42%

RYGRX vs. FOCKX - Expense Ratio Comparison

RYGRX has a 2.26% expense ratio, which is higher than FOCKX's 0.73% expense ratio.

Dividends

RYGRX vs. FOCKX - Dividend Comparison

RYGRX's dividend yield for the trailing twelve months is around 3.91%, less than FOCKX's 5.92% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FOCKX Fidelity OTC Portfolio Class K	5.92%	7.56%	16.42%	0.09%	3.97%	11.34%	6.18%	7.49%	7.81%	4.85%	3.25%	5.42%
RYGRX Rydex S&P 500 Pure Growth Fund	3.91%	5.09%	0.00%	0.00%	0.00%	2.81%	4.43%	12.10%	7.15%	6.26%	0.05%	2.96%

Frequently Asked Questions

Can I hold both RYGRX and FOCKX in my portfolio?

RYGRX and FOCKX have a correlation of 0.76, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RYGRX or FOCKX?

RYGRX has higher volatility (6.39%) compared to FOCKX (5.39%). In terms of maximum drawdown, RYGRX dropped -54.22% vs FOCKX's -53.33%.

Which has better risk-adjusted returns?

FOCKX currently has the higher Sharpe Ratio (3.56 vs 2.00), 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.