ADSIX vs. RYGRX
Compare and contrast key facts about American Century Disciplined Growth Fund (ADSIX) and Rydex S&P 500 Pure Growth Fund (RYGRX).
ADSIX is managed by American Century. It was launched on Sep 30, 2005. RYGRX is managed by Rydex Funds. It was launched on Feb 20, 2004.
Performance
ADSIX vs. RYGRX - Performance Comparison
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ADSIX vs. RYGRX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ADSIX American Century Disciplined Growth Fund | -13.60% | 17.24% | 31.19% | 43.07% | -31.44% | 24.46% | 33.28% | 30.00% | -5.57% | 26.05% |
RYGRX Rydex S&P 500 Pure Growth Fund | -4.70% | 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, ADSIX achieves a -13.60% return, which is significantly lower than RYGRX's -4.70% return. Over the past 10 years, ADSIX has outperformed RYGRX with an annualized return of 13.58%, while RYGRX has yielded a comparatively lower 9.87% annualized return.
ADSIX
- 1D
- -0.30%
- 1M
- -8.30%
- YTD
- -13.60%
- 6M
- -12.57%
- 1Y
- 13.10%
- 3Y*
- 18.49%
- 5Y*
- 10.11%
- 10Y*
- 13.58%
RYGRX
- 1D
- -2.32%
- 1M
- -10.45%
- YTD
- -4.70%
- 6M
- -7.22%
- 1Y
- 14.57%
- 3Y*
- 12.18%
- 5Y*
- 4.84%
- 10Y*
- 9.87%
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ADSIX vs. RYGRX - Expense Ratio Comparison
ADSIX has a 0.99% expense ratio, which is lower than RYGRX's 2.26% expense ratio.
Return for Risk
ADSIX vs. RYGRX — Risk / Return Rank
ADSIX
RYGRX
ADSIX vs. RYGRX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Disciplined Growth Fund (ADSIX) 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.
| ADSIX | RYGRX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.58 | 0.60 | -0.02 |
Sortino ratioReturn per unit of downside risk | 1.00 | 1.00 | 0.00 |
Omega ratioGain probability vs. loss probability | 1.14 | 1.14 | 0.00 |
Calmar ratioReturn relative to maximum drawdown | 0.60 | 0.87 | -0.28 |
Martin ratioReturn relative to average drawdown | 2.02 | 3.49 | -1.47 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| ADSIX | RYGRX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.58 | 0.60 | -0.02 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.48 | 0.21 | +0.27 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.65 | 0.44 | +0.21 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.52 | 0.37 | +0.15 |
Correlation
The correlation between ADSIX 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
ADSIX vs. RYGRX - Dividend Comparison
ADSIX's dividend yield for the trailing twelve months is around 15.75%, more than RYGRX's 5.34% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ADSIX American Century Disciplined Growth Fund | 15.75% | 13.61% | 43.82% | 0.04% | 0.00% | 21.63% | 19.18% | 9.12% | 18.62% | 9.40% | 0.62% | 1.76% |
RYGRX Rydex S&P 500 Pure Growth Fund | 5.34% | 5.09% | 0.00% | 0.00% | 0.00% | 2.81% | 4.43% | 12.10% | 7.15% | 6.26% | 0.05% | 2.96% |
Drawdowns
ADSIX vs. RYGRX - Drawdown Comparison
The maximum ADSIX drawdown since its inception was -53.04%, roughly equal to the maximum RYGRX drawdown of -54.22%. Use the drawdown chart below to compare losses from any high point for ADSIX and RYGRX.
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Drawdown Indicators
| ADSIX | RYGRX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -53.04% | -54.22% | +1.18% |
Max Drawdown (1Y)Largest decline over 1 year | -16.79% | -13.86% | -2.93% |
Max Drawdown (5Y)Largest decline over 5 years | -34.49% | -36.57% | +2.08% |
Max Drawdown (10Y)Largest decline over 10 years | -34.49% | -36.63% | +2.14% |
Current DrawdownCurrent decline from peak | -16.79% | -11.17% | -5.62% |
Average DrawdownAverage peak-to-trough decline | -8.26% | -9.48% | +1.22% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.96% | 3.47% | +1.49% |
Volatility
ADSIX vs. RYGRX - Volatility Comparison
The current volatility for American Century Disciplined Growth Fund (ADSIX) is 5.18%, while Rydex S&P 500 Pure Growth Fund (RYGRX) has a volatility of 8.03%. This indicates that ADSIX 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.
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Volatility by Period
| ADSIX | RYGRX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.18% | 8.03% | -2.85% |
Volatility (6M)Calculated over the trailing 6-month period | 11.98% | 14.52% | -2.54% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.54% | 25.02% | -2.48% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.36% | 23.26% | -1.90% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.03% | 22.66% | -1.63% |