VCGAX vs. VSTIX

Last updated Jun 4, 2026

VCGAX (VALIC Company I Systematic Core Fund) and VSTIX (VALIC Company I Stock Index Fund) are both Large Cap Blend Equities funds from VALIC. Over the past 10 years, VCGAX returned 13.43%/yr vs 14.65%/yr for VSTIX. With a 0.98 correlation, they move nearly in lockstep. VCGAX charges 0.63%/yr vs 0.29%/yr for VSTIX.

Performance

VCGAX vs. VSTIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in VALIC Company I Systematic Core Fund (VCGAX) 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, VCGAX achieves a 7.11% return, which is significantly lower than VSTIX's 11.51% return. Over the past 10 years, VCGAX has underperformed VSTIX with an annualized return of 13.43%, while VSTIX has yielded a comparatively higher 14.65% annualized return.

VCGAX

• 1D: -0.13%
• 1M: 3.53%
• YTD: 7.11%
• 6M: 7.31%
• 1Y: 21.70%
• 3Y*: 17.56%
• 5Y*: 10.27%
• 10Y*: 13.43%

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)

VCGAX vs. VSTIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VCGAX VALIC Company I Systematic Core Fund	7.11%	9.41%	23.14%	23.94%	-18.71%	26.34%	24.07%	30.50%	-8.98%	21.09%
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 VCGAX and VSTIX is 0.95 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.95
Correlation (3Y) Calculated over the trailing 3-year period	0.98
Correlation (5Y) Calculated over the trailing 5-year period	0.98
Correlation (10Y) Calculated over the trailing 10-year period	0.99
Correlation (All Time) Calculated using the full available price history since Mar 10, 1997	0.98

The correlation between VCGAX and VSTIX has been stable across timeframes, ranging from 0.95 to 0.99 - a consistent structural relationship.

Return for Risk

VCGAX vs. VSTIX — Risk / Return Rank

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

VCGAX

VCGAX Risk / Return Rank: 44
VCGAX Sharpe Ratio Rank: 45
VCGAX Sortino Ratio Rank: 46
VCGAX Omega Ratio Rank: 42
VCGAX Calmar Ratio Rank: 40
VCGAX Martin Ratio Rank: 50

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.

VCGAX vs. VSTIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for VALIC Company I Systematic Core Fund (VCGAX) 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.

	VCGAX	VSTIX	Difference
Sharpe ratio: Return per unit of total volatility	1.98	2.60	-0.62
Sortino ratio: Return per unit of downside risk	2.85	3.61	-0.76
Omega ratio: Gain probability vs. loss probability	1.35	1.47	-0.12
Calmar ratio: Return relative to maximum drawdown	2.38	3.31	-0.93
Martin ratio: Return relative to average drawdown	10.28	15.54	-5.26
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VCGAX vs. VSTIX - Sharpe Ratio Comparison

The current VCGAX Sharpe Ratio is 1.98, which is comparable to the VSTIX Sharpe Ratio of 2.60. The chart below compares the historical Sharpe Ratios of VCGAX 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

	VCGAX	VSTIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.98	2.60	-0.62
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.61	0.77	-0.16
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.73	0.80	-0.07
Sharpe Ratio (All Time) Calculated using the full available price history	0.24	0.33	-0.09

Drawdowns

VCGAX vs. VSTIX - Drawdown Comparison

The maximum VCGAX drawdown since its inception was -71.37%, roughly equal to the maximum VSTIX drawdown of -69.93%. Use the drawdown chart below to compare losses from any high point for VCGAX and VSTIX.

Drawdown Indicators

	VCGAX	VSTIX	Difference
Max Drawdown Largest peak-to-trough decline	-71.37%	-69.93%	-1.44%
Max Drawdown (1Y) Largest decline over 1 year	-9.55%	-8.98%	-0.57%
Max Drawdown (3Y) Largest decline over 3 years	-22.35%	-21.05%	-1.30%
Max Drawdown (5Y) Largest decline over 5 years	-24.90%	-24.41%	-0.49%
Max Drawdown (10Y) Largest decline over 10 years	-34.41%	-33.52%	-0.89%
Current Drawdown Current decline from peak	-0.13%	0.00%	-0.13%
Average Drawdown Average peak-to-trough decline	-25.26%	-20.66%	-4.60%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.21%	1.90%	+0.31%

Volatility

VCGAX vs. VSTIX - Volatility Comparison

VALIC Company I Systematic Core Fund (VCGAX) and VALIC Company I Stock Index Fund (VSTIX) have volatilities of 2.79% and 2.83%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VCGAX	VSTIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.79%	2.83%	-0.04%
Volatility (6M) Calculated over the trailing 6-month period	8.79%	8.86%	-0.07%
Volatility (1Y) Calculated over the trailing 1-year period	11.52%	11.46%	+0.06%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.91%	17.43%	-0.52%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.39%	18.37%	+0.02%

VCGAX vs. VSTIX - Expense Ratio Comparison

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

Dividends

VCGAX vs. VSTIX - Dividend Comparison

VCGAX's dividend yield for the trailing twelve months is around 6.33%, less than VSTIX's 11.48% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
VCGAX VALIC Company I Systematic Core Fund	6.33%	0.00%	1.69%	4.83%	0.79%	9.20%	10.09%	10.41%	1.01%	3.82%
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 VCGAX and VSTIX in my portfolio?

With a correlation of 0.95, VCGAX 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, VCGAX or VSTIX?

VSTIX has higher volatility (2.83%) compared to VCGAX (2.79%). In terms of maximum drawdown, VCGAX dropped -71.37% vs VSTIX's -69.93%.

Which has better risk-adjusted returns?

VSTIX currently has the higher Sharpe Ratio (2.60 vs 1.98), 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.