TWBIX vs. SPY
Compare and contrast key facts about American Century Balanced Fund (TWBIX) and State Street SPDR S&P 500 ETF (SPY).
TWBIX is managed by American Century. It was launched on Oct 19, 1988. SPY is a passively managed fund by State Street that tracks the performance of the S&P 500 Index. It was launched on Jan 22, 1993.
Performance
TWBIX vs. SPY - Performance Comparison
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TWBIX vs. SPY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TWBIX American Century Balanced Fund | -3.56% | 9.60% | 11.93% | 16.18% | -17.34% | 16.32% | 12.62% | 19.65% | -3.46% | 14.04% |
SPY State Street SPDR S&P 500 ETF | -3.65% | 17.72% | 24.89% | 26.18% | -18.18% | 28.73% | 18.33% | 31.22% | -4.57% | 21.71% |
Returns By Period
The year-to-date returns for both stocks are quite close, with TWBIX having a -3.56% return and SPY slightly lower at -3.65%. Over the past 10 years, TWBIX has underperformed SPY with an annualized return of 7.49%, while SPY has yielded a comparatively higher 14.06% annualized return.
TWBIX
- 1D
- 1.85%
- 1M
- -4.01%
- YTD
- -3.56%
- 6M
- -2.57%
- 1Y
- 8.90%
- 3Y*
- 9.27%
- 5Y*
- 4.74%
- 10Y*
- 7.49%
SPY
- 1D
- 0.75%
- 1M
- -4.28%
- YTD
- -3.65%
- 6M
- -1.42%
- 1Y
- 18.14%
- 3Y*
- 18.48%
- 5Y*
- 11.86%
- 10Y*
- 14.06%
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TWBIX vs. SPY - Expense Ratio Comparison
TWBIX has a 0.91% expense ratio, which is higher than SPY's 0.09% expense ratio.
Return for Risk
TWBIX vs. SPY — Risk / Return Rank
TWBIX
SPY
TWBIX vs. SPY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Balanced Fund (TWBIX) and State Street SPDR S&P 500 ETF (SPY). 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.
| TWBIX | SPY | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.84 | 0.96 | -0.12 |
Sortino ratioReturn per unit of downside risk | 1.28 | 1.49 | -0.21 |
Omega ratioGain probability vs. loss probability | 1.18 | 1.23 | -0.05 |
Calmar ratioReturn relative to maximum drawdown | 1.29 | 1.53 | -0.24 |
Martin ratioReturn relative to average drawdown | 5.54 | 7.27 | -1.72 |
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
| TWBIX | SPY | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.84 | 0.96 | -0.12 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.43 | 0.70 | -0.26 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.69 | 0.79 | -0.10 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.68 | 0.56 | +0.12 |
Correlation
The correlation between TWBIX and SPY is 0.93, 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
TWBIX vs. SPY - Dividend Comparison
TWBIX's dividend yield for the trailing twelve months is around 1.71%, more than SPY's 1.13% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
TWBIX American Century Balanced Fund | 1.71% | 1.71% | 1.85% | 1.70% | 1.34% | 21.54% | 6.22% | 5.04% | 8.12% | 5.99% | 2.41% | 6.24% |
SPY State Street SPDR S&P 500 ETF | 1.13% | 1.07% | 1.21% | 1.40% | 1.65% | 1.20% | 1.52% | 1.75% | 2.04% | 1.80% | 2.03% | 2.06% |
Drawdowns
TWBIX vs. SPY - Drawdown Comparison
The maximum TWBIX drawdown since its inception was -33.88%, smaller than the maximum SPY drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for TWBIX and SPY.
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Drawdown Indicators
| TWBIX | SPY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -33.88% | -55.19% | +21.31% |
Max Drawdown (1Y)Largest decline over 1 year | -7.58% | -12.05% | +4.47% |
Max Drawdown (5Y)Largest decline over 5 years | -22.48% | -24.50% | +2.02% |
Max Drawdown (10Y)Largest decline over 10 years | -22.48% | -33.72% | +11.24% |
Current DrawdownCurrent decline from peak | -4.73% | -5.53% | +0.80% |
Average DrawdownAverage peak-to-trough decline | -4.72% | -9.09% | +4.37% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.76% | 2.54% | -0.78% |
Volatility
TWBIX vs. SPY - Volatility Comparison
The current volatility for American Century Balanced Fund (TWBIX) is 3.70%, while State Street SPDR S&P 500 ETF (SPY) has a volatility of 5.35%. This indicates that TWBIX experiences smaller price fluctuations and is considered to be less risky than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TWBIX | SPY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.70% | 5.35% | -1.65% |
Volatility (6M)Calculated over the trailing 6-month period | 6.06% | 9.50% | -3.44% |
Volatility (1Y)Calculated over the trailing 1-year period | 11.20% | 19.06% | -7.86% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 10.99% | 17.06% | -6.07% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 10.89% | 17.92% | -7.03% |