VSTIX vs. YFSIX
Compare and contrast key facts about VALIC Company I Stock Index Fund (VSTIX) and AMG Yacktman Global Fund (YFSIX).
VSTIX is managed by VALIC. It was launched on Apr 20, 1987. YFSIX is managed by AMG. It was launched on Jan 30, 2017.
Performance
VSTIX vs. YFSIX - Performance Comparison
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VSTIX vs. YFSIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VSTIX VALIC Company I Stock Index Fund | -7.17% | 14.28% | 24.76% | 25.62% | -18.11% | 28.40% | 18.55% | 31.05% | -8.09% | 19.09% |
YFSIX AMG Yacktman Global Fund | 8.16% | 14.91% | -0.34% | 16.64% | -9.15% | 13.13% | 18.46% | 24.40% | 2.18% | 20.95% |
Returns By Period
In the year-to-date period, VSTIX achieves a -7.17% return, which is significantly lower than YFSIX's 8.16% return.
VSTIX
- 1D
- -0.39%
- 1M
- -7.75%
- YTD
- -7.17%
- 6M
- -4.75%
- 1Y
- 14.10%
- 3Y*
- 15.74%
- 5Y*
- 10.49%
- 10Y*
- 12.75%
YFSIX
- 1D
- -1.07%
- 1M
- -10.67%
- YTD
- 8.16%
- 6M
- 0.34%
- 1Y
- 22.29%
- 3Y*
- 11.70%
- 5Y*
- 6.73%
- 10Y*
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VSTIX vs. YFSIX - Expense Ratio Comparison
VSTIX has a 0.29% expense ratio, which is lower than YFSIX's 0.95% expense ratio.
Return for Risk
VSTIX vs. YFSIX — Risk / Return Rank
VSTIX
YFSIX
VSTIX vs. YFSIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for VALIC Company I Stock Index Fund (VSTIX) and AMG Yacktman Global Fund (YFSIX). 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.
| VSTIX | YFSIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.85 | 0.99 | -0.14 |
Sortino ratioReturn per unit of downside risk | 1.35 | 1.16 | +0.18 |
Omega ratioGain probability vs. loss probability | 1.20 | 1.26 | -0.06 |
Calmar ratioReturn relative to maximum drawdown | 0.85 | 1.36 | -0.51 |
Martin ratioReturn relative to average drawdown | 4.16 | 4.42 | -0.26 |
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
| VSTIX | YFSIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.85 | 0.99 | -0.14 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.61 | 0.45 | +0.16 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.70 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.30 | 0.71 | -0.41 |
Correlation
The correlation between VSTIX and YFSIX is 0.70, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
VSTIX vs. YFSIX - Dividend Comparison
VSTIX's dividend yield for the trailing twelve months is around 13.79%, while YFSIX has not paid dividends to shareholders.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VSTIX VALIC Company I Stock Index Fund | 13.79% | 0.00% | 6.25% | 7.76% | 11.33% | 5.68% | 7.26% | 3.37% | 1.81% | 5.48% |
YFSIX AMG Yacktman Global Fund | 0.00% | 0.00% | 8.68% | 8.02% | 4.32% | 8.18% | 4.76% | 6.59% | 0.71% | 2.63% |
Drawdowns
VSTIX vs. YFSIX - Drawdown Comparison
The maximum VSTIX drawdown since its inception was -69.93%, which is greater than YFSIX's maximum drawdown of -35.10%. Use the drawdown chart below to compare losses from any high point for VSTIX and YFSIX.
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Drawdown Indicators
| VSTIX | YFSIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -69.93% | -35.10% | -34.83% |
Max Drawdown (1Y)Largest decline over 1 year | -12.14% | -14.20% | +2.06% |
Max Drawdown (5Y)Largest decline over 5 years | -24.41% | -25.14% | +0.73% |
Max Drawdown (10Y)Largest decline over 10 years | -33.52% | — | — |
Current DrawdownCurrent decline from peak | -8.98% | -11.03% | +2.05% |
Average DrawdownAverage peak-to-trough decline | -20.78% | -4.93% | -15.85% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.61% | 4.38% | -1.77% |
Volatility
VSTIX vs. YFSIX - Volatility Comparison
The current volatility for VALIC Company I Stock Index Fund (VSTIX) is 3.95%, while AMG Yacktman Global Fund (YFSIX) has a volatility of 9.23%. This indicates that VSTIX experiences smaller price fluctuations and is considered to be less risky than YFSIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VSTIX | YFSIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.95% | 9.23% | -5.28% |
Volatility (6M)Calculated over the trailing 6-month period | 8.50% | 19.89% | -11.39% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.66% | 21.29% | -3.63% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.40% | 15.11% | +2.29% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.33% | 16.20% | +2.13% |