VCAAX vs. VSTIX

Last updated Jun 4, 2026

VCAAX (VALIC Company I Asset Allocation Fund) and VSTIX (VALIC Company I Stock Index Fund) are both mutual funds - VCAAX 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, VCAAX returned 6.94%/yr vs 14.65%/yr for VSTIX. With a 0.95 correlation, they move nearly in lockstep. VCAAX charges 0.63%/yr vs 0.29%/yr for VSTIX.

Performance

VCAAX vs. VSTIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in VALIC Company I Asset Allocation Fund (VCAAX) 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, VCAAX achieves a 4.04% return, which is significantly lower than VSTIX's 11.51% return. Over the past 10 years, VCAAX has underperformed VSTIX with an annualized return of 6.94%, while VSTIX has yielded a comparatively higher 14.65% annualized return.

VCAAX

• 1D: 0.00%
• 1M: 2.66%
• YTD: 4.04%
• 6M: 3.63%
• 1Y: 14.56%
• 3Y*: 11.16%
• 5Y*: 6.51%
• 10Y*: 6.94%

VSTIX

• 1D: 0.13%
• 1M: 5.77%
• YTD: 11.51%
• 6M: 11.54%
• 1Y: 28.60%
• 3Y*: 21.25%
• 5Y*: 13.34%
• 10Y*: 14.65%

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

VCAAX vs. VSTIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VCAAX VALIC Company I Asset Allocation Fund	4.04%	5.41%	15.01%	18.27%	-16.22%	16.75%	11.79%	15.20%	-12.65%	13.26%
VSTIX VALIC Company I Stock Index Fund	11.51%	14.28%	24.76%	25.62%	-18.11%	28.40%	18.55%	31.05%	-8.09%	21.46%

Correlation

The correlation between VCAAX and VSTIX is 0.93, 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	0.93
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.96
Correlation (10Y) Calculated over the trailing 10-year period	0.91
Correlation (All Time) Calculated using the full available price history since Apr 30, 1997	0.95

The correlation between VCAAX and VSTIX has been stable across timeframes, ranging from 0.91 to 0.96 - a consistent structural relationship.

Return for Risk

VCAAX vs. VSTIX — Risk / Return Rank

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

VCAAX

VCAAX Risk / Return Rank: 41
VCAAX Sharpe Ratio Rank: 45
VCAAX Sortino Ratio Rank: 46
VCAAX Omega Ratio Rank: 46
VCAAX Calmar Ratio Rank: 28
VCAAX Martin Ratio Rank: 37

VSTIX

VSTIX Risk / Return Rank: 76
VSTIX Sharpe Ratio Rank: 80
VSTIX Sortino Ratio Rank: 75
VSTIX Omega Ratio Rank: 70
VSTIX Calmar Ratio Rank: 73
VSTIX Martin Ratio Rank: 82

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.

VCAAX vs. VSTIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for VALIC Company I Asset Allocation Fund (VCAAX) 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.

	VCAAX	VSTIX	Difference
Sharpe ratio: Return per unit of total volatility	1.99	2.60	-0.61
Sortino ratio: Return per unit of downside risk	2.87	3.61	-0.74
Omega ratio: Gain probability vs. loss probability	1.37	1.47	-0.10
Calmar ratio: Return relative to maximum drawdown	1.98	3.31	-1.33
Martin ratio: Return relative to average drawdown	8.11	15.54	-7.43
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VCAAX vs. VSTIX - Sharpe Ratio Comparison

The current VCAAX Sharpe Ratio is 1.99, which is comparable to the VSTIX Sharpe Ratio of 2.60. The chart below compares the historical Sharpe Ratios of VCAAX 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.

Sharpe Ratios by Period

	VCAAX	VSTIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.99	2.60	-0.61
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.58	0.77	-0.19
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.63	0.80	-0.17
Sharpe Ratio (All Time) Calculated using the full available price history	0.14	0.33	-0.19

Drawdowns

VCAAX vs. VSTIX - Drawdown Comparison

The maximum VCAAX drawdown since its inception was -57.75%, smaller than the maximum VSTIX drawdown of -69.93%. Use the drawdown chart below to compare losses from any high point for VCAAX and VSTIX.

Drawdown Indicators

	VCAAX	VSTIX	Difference
Max Drawdown Largest peak-to-trough decline	-57.75%	-69.93%	+12.18%
Max Drawdown (1Y) Largest decline over 1 year	-7.65%	-8.98%	+1.33%
Max Drawdown (3Y) Largest decline over 3 years	-16.79%	-21.05%	+4.26%
Max Drawdown (5Y) Largest decline over 5 years	-20.63%	-24.41%	+3.78%
Max Drawdown (10Y) Largest decline over 10 years	-27.36%	-33.52%	+6.16%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-19.43%	-20.66%	+1.23%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.86%	1.90%	-0.04%

Volatility

VCAAX vs. VSTIX - Volatility Comparison

The current volatility for VALIC Company I Asset Allocation Fund (VCAAX) is 2.42%, while VALIC Company I Stock Index Fund (VSTIX) has a volatility of 2.83%. This indicates that VCAAX 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

	VCAAX	VSTIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.42%	2.83%	-0.41%
Volatility (6M) Calculated over the trailing 6-month period	6.15%	8.86%	-2.71%
Volatility (1Y) Calculated over the trailing 1-year period	7.65%	11.46%	-3.81%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.20%	17.43%	-6.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.03%	18.37%	-7.34%

VCAAX vs. VSTIX - Expense Ratio Comparison

VCAAX has a 0.63% expense ratio, which is higher than VSTIX's 0.29% expense ratio.

Dividends

VCAAX vs. VSTIX - Dividend Comparison

VCAAX's dividend yield for the trailing twelve months is around 8.03%, less than VSTIX's 11.48% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
VCAAX VALIC Company I Asset Allocation Fund	8.03%	0.00%	1.38%	5.83%	18.12%	0.96%	2.65%	9.63%	1.77%	2.12%
VSTIX VALIC Company I Stock Index Fund	11.48%	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 VCAAX and VSTIX in my portfolio?

With a correlation of 0.93, VCAAX 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, VCAAX or VSTIX?

VSTIX has higher volatility (2.83%) compared to VCAAX (2.42%). In terms of maximum drawdown, VCAAX dropped -57.75% vs VSTIX's -69.93%.

Which has better risk-adjusted returns?

VSTIX currently has the higher Sharpe Ratio (2.60 vs 1.99), 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.