TWCIX vs. VFINX
Compare and contrast key facts about American Century Select Fund (TWCIX) and Vanguard 500 Index Fund Investor Shares (VFINX).
TWCIX is managed by American Century. It was launched on Jun 30, 1971. VFINX is managed by Vanguard.
Performance
TWCIX vs. VFINX - Performance Comparison
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TWCIX vs. VFINX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TWCIX American Century Select Fund | -8.73% | 16.30% | 26.15% | 39.93% | -28.82% | 25.47% | 33.99% | 36.30% | -3.54% | 28.90% |
VFINX Vanguard 500 Index Fund Investor Shares | -4.37% | 17.71% | 24.84% | 26.12% | -18.24% | 28.53% | 18.20% | 31.33% | -4.55% | 21.66% |
Returns By Period
In the year-to-date period, TWCIX achieves a -8.73% return, which is significantly lower than VFINX's -4.37% return. Over the past 10 years, TWCIX has outperformed VFINX with an annualized return of 14.92%, while VFINX has yielded a comparatively lower 13.92% annualized return.
TWCIX
- 1D
- 4.05%
- 1M
- -5.48%
- YTD
- -8.73%
- 6M
- -7.36%
- 1Y
- 17.10%
- 3Y*
- 17.46%
- 5Y*
- 10.31%
- 10Y*
- 14.92%
VFINX
- 1D
- 2.92%
- 1M
- -5.04%
- YTD
- -4.37%
- 6M
- -2.20%
- 1Y
- 17.19%
- 3Y*
- 18.15%
- 5Y*
- 11.64%
- 10Y*
- 13.92%
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TWCIX vs. VFINX - Expense Ratio Comparison
TWCIX has a 0.94% expense ratio, which is higher than VFINX's 0.14% expense ratio.
Return for Risk
TWCIX vs. VFINX — Risk / Return Rank
TWCIX
VFINX
TWCIX vs. VFINX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Select Fund (TWCIX) 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.
| TWCIX | VFINX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.79 | 0.97 | -0.17 |
Sortino ratioReturn per unit of downside risk | 1.30 | 1.48 | -0.19 |
Omega ratioGain probability vs. loss probability | 1.18 | 1.23 | -0.04 |
Calmar ratioReturn relative to maximum drawdown | 1.25 | 1.51 | -0.26 |
Martin ratioReturn relative to average drawdown | 4.50 | 7.24 | -2.74 |
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
| TWCIX | VFINX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.79 | 0.97 | -0.17 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.48 | 0.69 | -0.21 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.71 | 0.77 | -0.06 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.58 | 0.60 | -0.02 |
Correlation
The correlation between TWCIX and VFINX is 0.90, 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
TWCIX vs. VFINX - Dividend Comparison
TWCIX's dividend yield for the trailing twelve months is around 11.00%, more than VFINX's 1.08% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
TWCIX American Century Select Fund | 11.00% | 10.04% | 3.67% | 5.21% | 10.36% | 8.25% | 6.26% | 5.42% | 9.05% | 6.30% | 3.43% | 6.16% |
VFINX Vanguard 500 Index Fund Investor Shares | 1.08% | 1.02% | 1.14% | 1.36% | 1.57% | 1.15% | 1.45% | 1.77% | 1.94% | 1.69% | 1.92% | 1.99% |
Drawdowns
TWCIX vs. VFINX - Drawdown Comparison
The maximum TWCIX drawdown since its inception was -57.31%, roughly equal to the maximum VFINX drawdown of -55.25%. Use the drawdown chart below to compare losses from any high point for TWCIX and VFINX.
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Drawdown Indicators
| TWCIX | VFINX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -57.31% | -55.25% | -2.06% |
Max Drawdown (1Y)Largest decline over 1 year | -14.66% | -12.12% | -2.54% |
Max Drawdown (5Y)Largest decline over 5 years | -31.24% | -24.59% | -6.65% |
Max Drawdown (10Y)Largest decline over 10 years | -31.24% | -33.83% | +2.59% |
Current DrawdownCurrent decline from peak | -11.20% | -6.26% | -4.94% |
Average DrawdownAverage peak-to-trough decline | -12.42% | -8.31% | -4.11% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.07% | 2.53% | +1.54% |
Volatility
TWCIX vs. VFINX - Volatility Comparison
American Century Select Fund (TWCIX) has a higher volatility of 7.21% compared to Vanguard 500 Index Fund Investor Shares (VFINX) at 5.35%. This indicates that TWCIX'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.
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Volatility by Period
| TWCIX | VFINX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.21% | 5.35% | +1.86% |
Volatility (6M)Calculated over the trailing 6-month period | 12.80% | 9.53% | +3.27% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.01% | 18.32% | +4.69% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.49% | 16.91% | +4.58% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.98% | 18.05% | +2.93% |