FGDKX vs. RYGRX
Compare and contrast key facts about Fidelity Growth Discovery Fund Class K (FGDKX) and Rydex S&P 500 Pure Growth Fund (RYGRX).
FGDKX is managed by Fidelity. It was launched on May 9, 2008. RYGRX is managed by Rydex Funds. It was launched on Feb 20, 2004.
Performance
FGDKX vs. RYGRX - Performance Comparison
Loading graphics...
FGDKX vs. RYGRX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FGDKX Fidelity Growth Discovery Fund Class K | -5.37% | 15.23% | 30.30% | 35.73% | -24.34% | 23.03% | 43.54% | 33.91% | -0.20% | 34.68% |
RYGRX Rydex S&P 500 Pure Growth Fund | -0.20% | 11.00% | 25.73% | 5.80% | -28.71% | 26.61% | 26.34% | 34.13% | -6.28% | 23.74% |
Returns By Period
In the year-to-date period, FGDKX achieves a -5.37% return, which is significantly lower than RYGRX's -0.20% return. Over the past 10 years, FGDKX has outperformed RYGRX with an annualized return of 17.09%, while RYGRX has yielded a comparatively lower 10.37% annualized return.
FGDKX
- 1D
- 4.32%
- 1M
- -5.35%
- YTD
- -5.37%
- 6M
- -4.80%
- 1Y
- 18.23%
- 3Y*
- 20.53%
- 5Y*
- 11.37%
- 10Y*
- 17.09%
RYGRX
- 1D
- 4.71%
- 1M
- -5.64%
- YTD
- -0.20%
- 6M
- -2.96%
- 1Y
- 18.97%
- 3Y*
- 13.91%
- 5Y*
- 5.42%
- 10Y*
- 10.37%
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
FGDKX vs. RYGRX - Expense Ratio Comparison
FGDKX has a 0.68% expense ratio, which is lower than RYGRX's 2.26% expense ratio.
Return for Risk
FGDKX vs. RYGRX — Risk / Return Rank
FGDKX
RYGRX
FGDKX vs. RYGRX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Growth Discovery Fund Class K (FGDKX) and Rydex S&P 500 Pure Growth Fund (RYGRX). 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.
| FGDKX | RYGRX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.86 | 0.79 | +0.07 |
Sortino ratioReturn per unit of downside risk | 1.35 | 1.26 | +0.09 |
Omega ratioGain probability vs. loss probability | 1.19 | 1.18 | +0.01 |
Calmar ratioReturn relative to maximum drawdown | 1.22 | 1.47 | -0.25 |
Martin ratioReturn relative to average drawdown | 4.39 | 5.82 | -1.43 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading graphics...
Sharpe Ratios by Period
| FGDKX | RYGRX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.86 | 0.79 | +0.07 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.56 | 0.23 | +0.33 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.84 | 0.46 | +0.38 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.58 | 0.38 | +0.20 |
Correlation
The correlation between FGDKX and RYGRX is 0.92, 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
FGDKX vs. RYGRX - Dividend Comparison
FGDKX's dividend yield for the trailing twelve months is around 1.74%, less than RYGRX's 5.10% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FGDKX Fidelity Growth Discovery Fund Class K | 1.74% | 1.65% | 12.82% | 2.63% | 3.69% | 13.53% | 9.71% | 4.37% | 5.13% | 4.92% | 0.15% | 0.28% |
RYGRX Rydex S&P 500 Pure Growth Fund | 5.10% | 5.09% | 0.00% | 0.00% | 0.00% | 2.81% | 4.43% | 12.10% | 7.15% | 6.26% | 0.05% | 2.96% |
Drawdowns
FGDKX vs. RYGRX - Drawdown Comparison
The maximum FGDKX drawdown since its inception was -55.39%, roughly equal to the maximum RYGRX drawdown of -54.22%. Use the drawdown chart below to compare losses from any high point for FGDKX and RYGRX.
Loading graphics...
Drawdown Indicators
| FGDKX | RYGRX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.39% | -54.22% | -1.17% |
Max Drawdown (1Y)Largest decline over 1 year | -13.05% | -13.86% | +0.81% |
Max Drawdown (5Y)Largest decline over 5 years | -29.75% | -36.57% | +6.82% |
Max Drawdown (10Y)Largest decline over 10 years | -31.09% | -36.63% | +5.54% |
Current DrawdownCurrent decline from peak | -8.74% | -6.98% | -1.76% |
Average DrawdownAverage peak-to-trough decline | -8.74% | -9.48% | +0.74% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.63% | 3.50% | +0.13% |
Volatility
FGDKX vs. RYGRX - Volatility Comparison
The current volatility for Fidelity Growth Discovery Fund Class K (FGDKX) is 7.78%, while Rydex S&P 500 Pure Growth Fund (RYGRX) has a volatility of 9.53%. This indicates that FGDKX experiences smaller price fluctuations and is considered to be less risky than RYGRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading graphics...
Volatility by Period
| FGDKX | RYGRX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.78% | 9.53% | -1.75% |
Volatility (6M)Calculated over the trailing 6-month period | 13.34% | 15.25% | -1.91% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.22% | 25.40% | -3.18% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.34% | 23.34% | -3.00% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.53% | 22.71% | -2.18% |