AULDX vs. VTMGX
Compare and contrast key facts about American Century Ultra Fund Class R6 (AULDX) and Vanguard Developed Markets Index Fund Admiral Shares (VTMGX).
AULDX is an actively managed fund by American Century. It was launched on Jul 26, 2013. VTMGX is managed by Vanguard. It was launched on Aug 17, 1999.
Performance
AULDX vs. VTMGX - Performance Comparison
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AULDX vs. VTMGX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AULDX American Century Ultra Fund Class R6 | -8.71% | 13.05% | 29.99% | 43.86% | -32.15% | 23.89% | 50.31% | 35.23% | 1.04% | 32.36% |
VTMGX Vanguard Developed Markets Index Fund Admiral Shares | 2.46% | 35.17% | 3.03% | 17.65% | -15.33% | 11.39% | 10.25% | 22.04% | -14.48% | 26.39% |
Returns By Period
In the year-to-date period, AULDX achieves a -8.71% return, which is significantly lower than VTMGX's 2.46% return. Over the past 10 years, AULDX has outperformed VTMGX with an annualized return of 16.54%, while VTMGX has yielded a comparatively lower 9.31% annualized return.
AULDX
- 1D
- 3.99%
- 1M
- -5.39%
- YTD
- -8.71%
- 6M
- -7.74%
- 1Y
- 15.31%
- 3Y*
- 18.40%
- 5Y*
- 9.78%
- 10Y*
- 16.54%
VTMGX
- 1D
- 2.96%
- 1M
- -7.62%
- YTD
- 2.46%
- 6M
- 7.79%
- 1Y
- 29.28%
- 3Y*
- 15.95%
- 5Y*
- 8.51%
- 10Y*
- 9.31%
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AULDX vs. VTMGX - Expense Ratio Comparison
AULDX has a 0.52% expense ratio, which is higher than VTMGX's 0.07% expense ratio.
Return for Risk
AULDX vs. VTMGX — Risk / Return Rank
AULDX
VTMGX
AULDX vs. VTMGX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Ultra Fund Class R6 (AULDX) and Vanguard Developed Markets Index Fund Admiral Shares (VTMGX). 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.
| AULDX | VTMGX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.70 | 1.79 | -1.08 |
Sortino ratioReturn per unit of downside risk | 1.18 | 2.35 | -1.17 |
Omega ratioGain probability vs. loss probability | 1.16 | 1.35 | -0.19 |
Calmar ratioReturn relative to maximum drawdown | 1.04 | 2.44 | -1.39 |
Martin ratioReturn relative to average drawdown | 3.65 | 9.56 | -5.91 |
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
| AULDX | VTMGX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.70 | 1.79 | -1.08 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.44 | 0.55 | -0.11 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.75 | 0.57 | +0.19 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.71 | 0.29 | +0.42 |
Correlation
The correlation between AULDX and VTMGX is 0.70, 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
AULDX vs. VTMGX - Dividend Comparison
AULDX's dividend yield for the trailing twelve months is around 11.61%, more than VTMGX's 2.92% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AULDX American Century Ultra Fund Class R6 | 11.61% | 10.60% | 3.32% | 5.68% | 6.97% | 6.42% | 2.67% | 4.18% | 7.94% | 6.19% | 4.45% | 5.06% |
VTMGX Vanguard Developed Markets Index Fund Admiral Shares | 2.92% | 3.20% | 3.34% | 3.14% | 2.88% | 3.14% | 2.02% | 3.03% | 3.33% | 2.77% | 3.06% | 2.91% |
Drawdowns
AULDX vs. VTMGX - Drawdown Comparison
The maximum AULDX drawdown since its inception was -35.03%, smaller than the maximum VTMGX drawdown of -60.58%. Use the drawdown chart below to compare losses from any high point for AULDX and VTMGX.
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Drawdown Indicators
| AULDX | VTMGX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -35.03% | -60.58% | +25.55% |
Max Drawdown (1Y)Largest decline over 1 year | -15.60% | -11.67% | -3.93% |
Max Drawdown (5Y)Largest decline over 5 years | -35.03% | -29.71% | -5.32% |
Max Drawdown (10Y)Largest decline over 10 years | -35.03% | -35.68% | +0.65% |
Current DrawdownCurrent decline from peak | -12.23% | -9.01% | -3.22% |
Average DrawdownAverage peak-to-trough decline | -6.23% | -14.74% | +8.51% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.45% | 2.97% | +1.48% |
Volatility
AULDX vs. VTMGX - Volatility Comparison
The current volatility for American Century Ultra Fund Class R6 (AULDX) is 7.21%, while Vanguard Developed Markets Index Fund Admiral Shares (VTMGX) has a volatility of 7.83%. This indicates that AULDX experiences smaller price fluctuations and is considered to be less risky than VTMGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AULDX | VTMGX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.21% | 7.83% | -0.62% |
Volatility (6M)Calculated over the trailing 6-month period | 13.25% | 11.28% | +1.97% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.37% | 16.68% | +6.69% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.60% | 15.65% | +6.95% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.04% | 16.45% | +5.59% |