TWCGX vs. QQQ
TWCGX (American Century Growth Fund) and QQQ (Invesco QQQ ETF) are both funds - TWCGX is a Large Cap Growth Equities fund managed by American Century, while QQQ is a Nasdaq-100 fund tracking the NASDAQ-100 Index. Over the past 10 years, TWCGX returned 16.73%/yr vs 22.48%/yr for QQQ. Their correlation of 0.93 suggests significant overlap in exposure. TWCGX charges 0.94%/yr vs 0.18%/yr for QQQ.
Performance
TWCGX vs. QQQ - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, TWCGX achieves a 4.53% return, which is significantly lower than QQQ's 20.41% return. Over the past 10 years, TWCGX has underperformed QQQ with an annualized return of 16.73%, while QQQ has yielded a comparatively higher 22.48% annualized return.
TWCGX
- 1D
- 1.47%
- 1M
- -0.32%
- YTD
- 4.53%
- 6M
- 4.05%
- 1Y
- 22.55%
- 3Y*
- 19.50%
- 5Y*
- 11.68%
- 10Y*
- 16.73%
QQQ
- 1D
- -0.25%
- 1M
- 2.96%
- YTD
- 20.41%
- 6M
- 19.46%
- 1Y
- 40.91%
- 3Y*
- 27.47%
- 5Y*
- 16.94%
- 10Y*
- 22.48%
TWCGX vs. QQQ - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TWCGX American Century Growth Fund | 4.53% | 15.28% | 26.20% | 43.31% | -31.39% | 27.86% | 35.23% | 35.39% | -1.27% | 30.06% |
QQQ Invesco QQQ ETF | 20.41% | 20.77% | 25.58% | 54.86% | -32.58% | 27.42% | 48.62% | 38.96% | -0.13% | 32.66% |
Correlation
The correlation between TWCGX and QQQ is 0.94, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.94 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.96 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.97 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.97 |
Correlation (All Time) Calculated using the full available price history since Mar 10, 1999 | 0.93 |
The correlation between TWCGX and QQQ has been stable across timeframes, ranging from 0.93 to 0.97 - a consistent structural relationship.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
TWCGX vs. QQQ — Risk / Return Rank
TWCGX
QQQ
TWCGX vs. QQQ - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Growth Fund (TWCGX) and Invesco QQQ ETF (QQQ). 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.
| TWCGX | QQQ | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.01 | ||
| Sortino ratioReturn per unit of downside risk | -1.19 | ||
| Omega ratioGain probability vs. loss probability | 1.23 | 1.41 | -0.17 |
| Calmar ratioReturn relative to maximum drawdown | 1.31 | 3.44 | -2.13 |
| Martin ratioReturn relative to average drawdown | 4.25 | 12.79 | -8.53 |
Loading charts...
Drawdowns
TWCGX vs. QQQ - Drawdown Comparison
The maximum TWCGX drawdown since its inception was -59.60%, smaller than the maximum QQQ drawdown of -82.97%. Use the drawdown chart below to compare losses from any high point for TWCGX and QQQ.
Loading charts...
Drawdown Indicators
| TWCGX | QQQ | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -59.60% | -82.97% | +23.37% |
Max Drawdown (1Y)Largest decline over 1 year | -16.69% | -11.96% | -4.73% |
Max Drawdown (3Y)Largest decline over 3 years | -24.20% | -22.77% | -1.43% |
Max Drawdown (5Y)Largest decline over 5 years | -34.92% | -35.12% | +0.20% |
Max Drawdown (10Y)Largest decline over 10 years | -34.92% | -35.12% | +0.20% |
Current DrawdownCurrent decline from peak | -4.21% | -0.99% | -3.22% |
Average DrawdownAverage peak-to-trough decline | -15.28% | -32.73% | +17.45% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.12% | 3.21% | +1.91% |
Volatility
TWCGX vs. QQQ - Volatility Comparison
The current volatility for American Century Growth Fund (TWCGX) is 6.34%, while Invesco QQQ ETF (QQQ) has a volatility of 8.47%. This indicates that TWCGX experiences smaller price fluctuations and is considered to be less risky than QQQ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| TWCGX | QQQ | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.34% | 8.47% | -2.13% |
Volatility (6M)Calculated over the trailing 6-month period | 13.06% | 14.20% | -1.14% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.53% | 17.67% | -1.14% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.71% | 22.64% | -0.93% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.38% | 22.43% | -1.05% |
TWCGX vs. QQQ - Expense Ratio Comparison
TWCGX has a 0.94% expense ratio, which is higher than QQQ's 0.18% expense ratio.
Dividends
TWCGX vs. QQQ - Dividend Comparison
TWCGX's dividend yield for the trailing twelve months is around 16.39%, more than QQQ's 0.49% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
QQQ Invesco QQQ ETF | 0.41% | 0.45% | 0.56% | 0.62% | 0.80% | 0.43% | 0.55% | 0.74% | 0.91% | 0.84% | 1.06% | 0.99% |
TWCGX American Century Growth Fund | 16.39% | 17.14% | 5.96% | 4.81% | 4.86% | 9.83% | 5.33% | 5.60% | 14.07% | 10.28% | 4.64% | 6.80% |
Frequently Asked Questions
With a correlation of 0.94, TWCGX and QQQ move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
QQQ has higher volatility (8.47%) compared to TWCGX (6.34%). In terms of maximum drawdown, TWCGX dropped -59.60% vs QQQ's -82.97%.
QQQ currently has the higher Sharpe Ratio (2.33 vs 1.32), 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.
Find the right allocation for TWCGX and QQQ
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer