VDAFX vs. VSTIX

Last updated Jun 24, 2026

VDAFX (VALIC Company I Dynamic Allocation Fund) and VSTIX (VALIC Company I Stock Index Fund) are both mutual funds - VDAFX is a Diversified Portfolio fund managed by VALIC, while VSTIX is a Large Cap Blend Equities fund managed by VALIC. Over the past 10 years, VDAFX returned 7.37%/yr vs 14.79%/yr for VSTIX. Their correlation of 0.94 suggests significant overlap in exposure. VDAFX charges 0.32%/yr vs 0.29%/yr for VSTIX.

Performance

VDAFX vs. VSTIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in VALIC Company I Dynamic Allocation Fund (VDAFX) and VALIC Company I Stock Index Fund (VSTIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VDAFX achieves a 5.52% return, which is significantly lower than VSTIX's 9.59% return. Over the past 10 years, VDAFX has underperformed VSTIX with an annualized return of 7.37%, while VSTIX has yielded a comparatively higher 14.79% annualized return.

VDAFX

• 1D: -0.35%
• 1M: 0.44%
• YTD: 5.52%
• 6M: 4.87%
• 1Y: 14.47%
• 3Y*: 11.19%
• 5Y*: 4.92%
• 10Y*: 7.37%

VSTIX

• 1D: -0.38%
• 1M: 0.09%
• YTD: 9.59%
• 6M: 8.60%
• 1Y: 25.16%
• 3Y*: 19.91%
• 5Y*: 12.68%
• 10Y*: 14.79%

*Multi-year figures are annualized to reflect compound growth (CAGR)

VDAFX vs. VSTIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VDAFX VALIC Company I Dynamic Allocation Fund	5.52%	7.87%	12.77%	13.23%	-16.05%	10.25%	11.15%	20.27%	-10.50%	20.24%
VSTIX VALIC Company I Stock Index Fund	9.59%	14.28%	24.76%	25.62%	-18.11%	28.40%	18.55%	31.05%	-8.09%	21.46%

Correlation

The correlation between VDAFX and VSTIX is 0.95, 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	0.95
Correlation (3Y) Calculated over the trailing 3-year period	0.94
Correlation (5Y) Calculated over the trailing 5-year period	0.94
Correlation (10Y) Calculated over the trailing 10-year period	0.94
Correlation (All Time) Calculated using the full available price history since Dec 24, 2012	0.94

The correlation between VDAFX and VSTIX has been stable across timeframes, ranging from 0.94 to 0.95 - a consistent structural relationship.

Return for Risk

VDAFX vs. VSTIX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

VDAFX

VDAFX Risk / Return Rank: 51
VDAFX Sharpe Ratio Rank: 48
VDAFX Sortino Ratio Rank: 48
VDAFX Omega Ratio Rank: 45
VDAFX Calmar Ratio Rank: 54
VDAFX Martin Ratio Rank: 60

VSTIX

VSTIX Risk / Return Rank: 67
VSTIX Sharpe Ratio Rank: 68
VSTIX Sortino Ratio Rank: 63
VSTIX Omega Ratio Rank: 62
VSTIX Calmar Ratio Rank: 66
VSTIX Martin Ratio Rank: 77

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

VDAFX vs. VSTIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for VALIC Company I Dynamic Allocation Fund (VDAFX) and VALIC Company I Stock Index Fund (VSTIX). 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.

	VDAFX	VSTIX	Difference
Sharpe ratio: Return per unit of total volatility	1.89	2.21	-0.32
Sortino ratio: Return per unit of downside risk	2.69	3.04	-0.35
Omega ratio: Gain probability vs. loss probability	1.34	1.40	-0.06
Calmar ratio: Return relative to maximum drawdown	2.69	2.98	-0.29
Martin ratio: Return relative to average drawdown	11.22	13.49	-2.27

VDAFX vs. VSTIX - Sharpe Ratio Comparison

The current VDAFX Sharpe Ratio is 1.89, which is comparable to the VSTIX Sharpe Ratio of 2.21. The chart below compares the historical Sharpe Ratios of VDAFX and VSTIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

VDAFX vs. VSTIX - Drawdown Comparison

The maximum VDAFX drawdown since its inception was -22.10%, smaller than the maximum VSTIX drawdown of -69.93%. Use the drawdown chart below to compare losses from any high point for VDAFX and VSTIX.

Drawdown Indicators

	VDAFX	VSTIX	Difference
Max Drawdown Largest peak-to-trough decline	-22.10%	-69.93%	+47.83%
Max Drawdown (1Y) Largest decline over 1 year	-5.70%	-8.98%	+3.28%
Max Drawdown (3Y) Largest decline over 3 years	-13.22%	-21.05%	+7.83%
Max Drawdown (5Y) Largest decline over 5 years	-20.52%	-24.41%	+3.89%
Max Drawdown (10Y) Largest decline over 10 years	-22.10%	-33.52%	+11.42%
Current Drawdown Current decline from peak	-1.13%	-1.72%	+0.59%
Average Drawdown Average peak-to-trough decline	-5.92%	-20.63%	+14.71%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.36%	1.97%	-0.61%

Volatility

VDAFX vs. VSTIX - Volatility Comparison

The current volatility for VALIC Company I Dynamic Allocation Fund (VDAFX) is 3.39%, while VALIC Company I Stock Index Fund (VSTIX) has a volatility of 4.67%. This indicates that VDAFX experiences smaller price fluctuations and is considered to be less risky than VSTIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VDAFX	VSTIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.39%	4.67%	-1.28%
Volatility (6M) Calculated over the trailing 6-month period	6.49%	9.81%	-3.32%
Volatility (1Y) Calculated over the trailing 1-year period	8.12%	12.12%	-4.00%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	9.68%	17.52%	-7.84%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	10.91%	18.42%	-7.51%

VDAFX vs. VSTIX - Expense Ratio Comparison

VDAFX has a 0.32% expense ratio, which is higher than VSTIX's 0.29% expense ratio.

Dividends

VDAFX vs. VSTIX - Dividend Comparison

VDAFX's dividend yield for the trailing twelve months is around 5.00%, less than VSTIX's 11.68% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
VDAFX VALIC Company I Dynamic Allocation Fund	5.00%	0.00%	5.99%	7.99%	16.76%	11.16%	5.50%	6.88%	1.43%	2.28%
VSTIX VALIC Company I Stock Index Fund	11.68%	0.00%	6.25%	7.76%	11.33%	5.68%	7.26%	3.37%	1.81%	5.48%

Frequently Asked Questions

Can I hold both VDAFX and VSTIX in my portfolio?

With a correlation of 0.95, VDAFX and VSTIX 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.

Which is riskier, VDAFX or VSTIX?

VSTIX has higher volatility (4.67%) compared to VDAFX (3.39%). In terms of maximum drawdown, VDAFX dropped -22.10% vs VSTIX's -69.93%.

Which has better risk-adjusted returns?

VSTIX currently has the higher Sharpe Ratio (2.21 vs 1.89), 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.