MXMGX vs. ^GSPC

Last updated Apr 2, 2026

Compare and contrast key facts about Great-West T. Rowe Price Mid Cap Growth Fund (MXMGX) and S&P 500 Index (^GSPC).

MXMGX is managed by T. Rowe Price. It was launched on Jul 1, 1997.

Performance

MXMGX vs. ^GSPC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Great-West T. Rowe Price Mid Cap Growth Fund (MXMGX) and S&P 500 Index (^GSPC). The values are adjusted to include any dividend payments, if applicable.

MXMGX vs. ^GSPC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MXMGX Great-West T. Rowe Price Mid Cap Growth Fund	-4.17%	2.99%	9.02%	19.61%	-22.82%	15.25%	23.65%	31.28%	-2.80%	23.89%
^GSPC S&P 500 Index	-3.95%	16.39%	23.31%	24.23%	-19.44%	26.89%	16.26%	28.88%	-6.24%	19.42%

Returns By Period

In the year-to-date period, MXMGX achieves a -4.17% return, which is significantly lower than ^GSPC's -3.95% return. Over the past 10 years, MXMGX has underperformed ^GSPC with an annualized return of 8.61%, while ^GSPC has yielded a comparatively higher 12.24% annualized return.

MXMGX

• 1D: 2.78%
• 1M: -6.55%
• YTD: -4.17%
• 6M: -3.36%
• 1Y: 6.23%
• 3Y*: 6.27%
• 5Y*: 2.05%
• 10Y*: 8.61%

^GSPC

• 1D: 0.72%
• 1M: -4.45%
• YTD: -3.95%
• 6M: -2.02%
• 1Y: 16.73%
• 3Y*: 16.96%
• 5Y*: 10.34%
• 10Y*: 12.24%

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

Return for Risk

MXMGX vs. ^GSPC — Risk / Return Rank

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

MXMGX

MXMGX Risk / Return Rank: 12
MXMGX Sharpe Ratio Rank: 11
MXMGX Sortino Ratio Rank: 12
MXMGX Omega Ratio Rank: 12
MXMGX Calmar Ratio Rank: 12
MXMGX Martin Ratio Rank: 14

^GSPC

^GSPC Risk / Return Rank: 67
^GSPC Sharpe Ratio Rank: 63
^GSPC Sortino Ratio Rank: 64
^GSPC Omega Ratio Rank: 69
^GSPC Calmar Ratio Rank: 60
^GSPC 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.

MXMGX vs. ^GSPC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Great-West T. Rowe Price Mid Cap Growth Fund (MXMGX) and S&P 500 Index (^GSPC). 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.

	MXMGX	^GSPC	Difference
Sharpe ratio Return per unit of total volatility	0.33	0.92	-0.58
Sortino ratio Return per unit of downside risk	0.64	1.41	-0.77
Omega ratio Gain probability vs. loss probability	1.09	1.21	-0.13
Calmar ratio Return relative to maximum drawdown	0.38	1.41	-1.04
Martin ratio Return relative to average drawdown	1.54	6.61	-5.07
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MXMGX vs. ^GSPC - Sharpe Ratio Comparison

The current MXMGX Sharpe Ratio is 0.33, which is lower than the ^GSPC Sharpe Ratio of 0.92. The chart below compares the historical Sharpe Ratios of MXMGX and ^GSPC, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	MXMGX	^GSPC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.33	0.92	-0.58
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.11	0.61	-0.50
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.46	0.68	-0.22
Sharpe Ratio (All Time) Calculated using the full available price history	0.28	0.46	-0.18

Correlation

The correlation between MXMGX and ^GSPC is 0.84, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Drawdowns

MXMGX vs. ^GSPC - Drawdown Comparison

The maximum MXMGX drawdown since its inception was -60.97%, which is greater than ^GSPC's maximum drawdown of -56.78%. Use the drawdown chart below to compare losses from any high point for MXMGX and ^GSPC.

Drawdown Indicators

	MXMGX	^GSPC	Difference
Max Drawdown Largest peak-to-trough decline	-60.97%	-56.78%	-4.19%
Max Drawdown (1Y) Largest decline over 1 year	-12.47%	-12.14%	-0.33%
Max Drawdown (5Y) Largest decline over 5 years	-32.33%	-25.43%	-6.90%
Max Drawdown (10Y) Largest decline over 10 years	-35.88%	-33.92%	-1.96%
Current Drawdown Current decline from peak	-7.80%	-5.78%	-2.02%
Average Drawdown Average peak-to-trough decline	-11.85%	-10.75%	-1.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.49%	2.60%	+0.89%

Volatility

MXMGX vs. ^GSPC - Volatility Comparison

Great-West T. Rowe Price Mid Cap Growth Fund (MXMGX) has a higher volatility of 5.74% compared to S&P 500 Index (^GSPC) at 5.37%. This indicates that MXMGX's price experiences larger fluctuations and is considered to be riskier than ^GSPC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MXMGX	^GSPC	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.74%	5.37%	+0.37%
Volatility (6M) Calculated over the trailing 6-month period	10.33%	9.55%	+0.78%
Volatility (1Y) Calculated over the trailing 1-year period	20.66%	18.33%	+2.33%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.00%	16.90%	+2.10%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.93%	18.05%	+0.88%