QCGDX vs. VMIDX

Last updated Jun 25, 2026

QCGDX (Quantified Common Ground Fund) and VMIDX (VALIC Company I Mid Cap Index Fund) are both Mid Cap Blend Equities funds. Over the past 5 years, QCGDX returned 8.34%/yr vs 5.08%/yr for VMIDX. Their correlation of 0.80 suggests significant overlap in exposure. QCGDX charges 1.68%/yr vs 0.34%/yr for VMIDX.

Performance

QCGDX vs. VMIDX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Quantified Common Ground Fund (QCGDX) and VALIC Company I Mid Cap Index Fund (VMIDX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with QCGDX having a 13.65% return and VMIDX slightly higher at 14.31%.

QCGDX

• 1D: -2.74%
• 1M: -2.12%
• YTD: 13.65%
• 6M: 12.63%
• 1Y: 18.78%
• 3Y*: 11.87%
• 5Y*: 8.34%
• 10Y*: —

VMIDX

• 1D: -1.06%
• 1M: 2.63%
• YTD: 14.31%
• 6M: 12.06%
• 1Y: 23.46%
• 3Y*: 10.33%
• 5Y*: 5.08%
• 10Y*: 9.06%

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

QCGDX vs. VMIDX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
QCGDX Quantified Common Ground Fund	13.65%	1.02%	9.87%	14.74%	-12.23%	32.19%	14.65%	0.10%
VMIDX VALIC Company I Mid Cap Index Fund	14.31%	-7.10%	13.57%	15.73%	-13.10%	24.39%	13.83%	0.04%

Correlation

The correlation between QCGDX and VMIDX is 0.73, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.73
Correlation (3Y) Calculated over the trailing 3-year period	0.80
Correlation (5Y) Calculated over the trailing 5-year period	0.82
Correlation (All Time) Calculated using the full available price history since Dec 30, 2019	0.80

The correlation between QCGDX and VMIDX has been stable across timeframes, ranging from 0.73 to 0.82 - a consistent structural relationship.

Return for Risk

QCGDX vs. VMIDX — Risk / Return Rank

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

QCGDX

QCGDX Risk / Return Rank: 39
QCGDX Sharpe Ratio Rank: 30
QCGDX Sortino Ratio Rank: 28
QCGDX Omega Ratio Rank: 32
QCGDX Calmar Ratio Rank: 47
QCGDX Martin Ratio Rank: 59

VMIDX

VMIDX Risk / Return Rank: 47
VMIDX Sharpe Ratio Rank: 39
VMIDX Sortino Ratio Rank: 41
VMIDX Omega Ratio Rank: 36
VMIDX Calmar Ratio Rank: 63
VMIDX Martin Ratio Rank: 56

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.

QCGDX vs. VMIDX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Quantified Common Ground Fund (QCGDX) and VALIC Company I Mid Cap Index Fund (VMIDX). 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.

	QCGDX	VMIDX	Difference
Sharpe ratio: Return per unit of total volatility	1.37	1.58	-0.21
Sortino ratio: Return per unit of downside risk	1.93	2.33	-0.40
Omega ratio: Gain probability vs. loss probability	1.26	1.28	-0.01
Calmar ratio: Return relative to maximum drawdown	2.39	2.76	-0.37
Martin ratio: Return relative to average drawdown	10.62	10.11	+0.51

QCGDX vs. VMIDX - Sharpe Ratio Comparison

The current QCGDX Sharpe Ratio is 1.37, which is comparable to the VMIDX Sharpe Ratio of 1.58. The chart below compares the historical Sharpe Ratios of QCGDX and VMIDX, 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

QCGDX vs. VMIDX - Drawdown Comparison

The maximum QCGDX drawdown since its inception was -22.37%, smaller than the maximum VMIDX drawdown of -67.05%. Use the drawdown chart below to compare losses from any high point for QCGDX and VMIDX.

Drawdown Indicators

	QCGDX	VMIDX	Difference
Max Drawdown Largest peak-to-trough decline	-22.37%	-67.05%	+44.68%
Max Drawdown (1Y) Largest decline over 1 year	-7.92%	-8.99%	+1.07%
Max Drawdown (3Y) Largest decline over 3 years	-16.10%	-34.16%	+18.06%
Max Drawdown (5Y) Largest decline over 5 years	-20.18%	-34.16%	+13.98%
Max Drawdown (10Y) Largest decline over 10 years	—	-41.76%	—
Current Drawdown Current decline from peak	-4.10%	-2.10%	-2.00%
Average Drawdown Average peak-to-trough decline	-6.10%	-16.94%	+10.84%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.78%	2.45%	-0.67%

Volatility

QCGDX vs. VMIDX - Volatility Comparison

Quantified Common Ground Fund (QCGDX) has a higher volatility of 7.86% compared to VALIC Company I Mid Cap Index Fund (VMIDX) at 4.71%. This indicates that QCGDX's price experiences larger fluctuations and is considered to be riskier than VMIDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	QCGDX	VMIDX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.86%	4.71%	+3.15%
Volatility (6M) Calculated over the trailing 6-month period	11.68%	11.56%	+0.12%
Volatility (1Y) Calculated over the trailing 1-year period	13.85%	15.71%	-1.86%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.03%	21.10%	-6.07%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.64%	21.81%	-5.17%

QCGDX vs. VMIDX - Expense Ratio Comparison

QCGDX has a 1.68% expense ratio, which is higher than VMIDX's 0.34% expense ratio.

Dividends

QCGDX vs. VMIDX - Dividend Comparison

QCGDX's dividend yield for the trailing twelve months is around 0.61%, less than VMIDX's 12.46% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
QCGDX Quantified Common Ground Fund	0.61%	0.69%	4.42%	0.22%	0.00%	5.44%	1.65%	0.00%	0.00%	0.00%
VMIDX VALIC Company I Mid Cap Index Fund	12.46%	0.00%	5.05%	13.91%	10.75%	3.62%	8.68%	11.05%	1.31%	9.01%

Frequently Asked Questions

Can I hold both QCGDX and VMIDX in my portfolio?

QCGDX and VMIDX have a correlation of 0.73, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, QCGDX or VMIDX?

QCGDX has higher volatility (7.86%) compared to VMIDX (4.71%). In terms of maximum drawdown, QCGDX dropped -22.37% vs VMIDX's -67.05%.

Which has better risk-adjusted returns?

VMIDX currently has the higher Sharpe Ratio (1.58 vs 1.37), 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.