OEGYX vs. OEGAX

Last updated Jun 24, 2026

OEGYX (Invesco Discovery Mid Cap Growth Fund) and OEGAX (Invesco Discovery Mid Cap Growth Fund Class A) are both Mid Cap Growth Equities funds from Invesco. Over the past 10 years, OEGYX returned 14.25%/yr vs 13.96%/yr for OEGAX. With a 0.99 correlation, they move nearly in lockstep. OEGYX charges 0.78%/yr vs 1.05%/yr for OEGAX.

Performance

OEGYX vs. OEGAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Discovery Mid Cap Growth Fund (OEGYX) and Invesco Discovery Mid Cap Growth Fund Class A (OEGAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with OEGYX having a 28.52% return and OEGAX slightly lower at 28.34%. Both investments have delivered pretty close results over the past 10 years, with OEGYX having a 14.25% annualized return and OEGAX not far behind at 13.96%.

OEGYX

• 1D: 1.54%
• 1M: 5.32%
• YTD: 28.52%
• 6M: 25.54%
• 1Y: 33.06%
• 3Y*: 21.37%
• 5Y*: 7.65%
• 10Y*: 14.25%

OEGAX

• 1D: 1.53%
• 1M: 5.28%
• YTD: 28.34%
• 6M: 25.35%
• 1Y: 32.75%
• 3Y*: 21.07%
• 5Y*: 7.37%
• 10Y*: 13.96%

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

OEGYX vs. OEGAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OEGYX Invesco Discovery Mid Cap Growth Fund	28.52%	5.08%	24.38%	13.24%	-30.92%	18.76%	40.53%	39.33%	-6.50%	28.34%
OEGAX Invesco Discovery Mid Cap Growth Fund Class A	28.34%	4.85%	24.09%	12.96%	-31.09%	18.44%	40.12%	38.98%	-6.72%	27.95%

Correlation

The correlation between OEGYX and OEGAX is 0.89, 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	0.89
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.97
Correlation (10Y) Calculated over the trailing 10-year period	0.99
Correlation (All Time) Calculated using the full available price history since Oct 31, 2000	0.99

The correlation between OEGYX and OEGAX shifts across timeframes, from 0.89 (1 year) to 0.99 (all time), reflecting how their relationship changes across market environments.

Return for Risk

OEGYX vs. OEGAX — Risk / Return Rank

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

OEGYX

OEGYX Risk / Return Rank: 50
OEGYX Sharpe Ratio Rank: 36
OEGYX Sortino Ratio Rank: 33
OEGYX Omega Ratio Rank: 33
OEGYX Calmar Ratio Rank: 80
OEGYX Martin Ratio Rank: 67

OEGAX

OEGAX Risk / Return Rank: 56
OEGAX Sharpe Ratio Rank: 41
OEGAX Sortino Ratio Rank: 40
OEGAX Omega Ratio Rank: 38
OEGAX Calmar Ratio Rank: 84
OEGAX 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.

OEGYX vs. OEGAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Discovery Mid Cap Growth Fund (OEGYX) and Invesco Discovery Mid Cap Growth Fund Class A (OEGAX). 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.

	OEGYX	OEGAX	Difference
Sharpe ratio: Return per unit of total volatility	1.63	1.74	-0.11
Sortino ratio: Return per unit of downside risk	2.23	2.45	-0.22
Omega ratio: Gain probability vs. loss probability	1.28	1.31	-0.02
Calmar ratio: Return relative to maximum drawdown	3.43	3.77	-0.34
Martin ratio: Return relative to average drawdown	12.21	13.44	-1.23

OEGYX vs. OEGAX - Sharpe Ratio Comparison

The current OEGYX Sharpe Ratio is 1.63, which is comparable to the OEGAX Sharpe Ratio of 1.74. The chart below compares the historical Sharpe Ratios of OEGYX and OEGAX, 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

OEGYX vs. OEGAX - Drawdown Comparison

The maximum OEGYX drawdown since its inception was -53.44%, roughly equal to the maximum OEGAX drawdown of -53.73%. Use the drawdown chart below to compare losses from any high point for OEGYX and OEGAX.

Drawdown Indicators

	OEGYX	OEGAX	Difference
Max Drawdown Largest peak-to-trough decline	-53.44%	-53.73%	+0.29%
Max Drawdown (1Y) Largest decline over 1 year	-10.14%	-10.16%	+0.02%
Max Drawdown (3Y) Largest decline over 3 years	-28.58%	-28.64%	+0.06%
Max Drawdown (5Y) Largest decline over 5 years	-39.25%	-39.38%	+0.13%
Max Drawdown (10Y) Largest decline over 10 years	-39.25%	-39.38%	+0.13%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-12.48%	-12.75%	+0.27%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.83%	2.73%	+0.10%

Volatility

OEGYX vs. OEGAX - Volatility Comparison

Invesco Discovery Mid Cap Growth Fund (OEGYX) and Invesco Discovery Mid Cap Growth Fund Class A (OEGAX) have volatilities of 7.62% and 7.60%, 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

	OEGYX	OEGAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.62%	7.60%	+0.02%
Volatility (6M) Calculated over the trailing 6-month period	17.60%	17.81%	-0.21%
Volatility (1Y) Calculated over the trailing 1-year period	21.34%	22.01%	-0.67%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.28%	22.37%	-0.09%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.14%	22.20%	-0.06%

OEGYX vs. OEGAX - Expense Ratio Comparison

OEGYX has a 0.78% expense ratio, which is lower than OEGAX's 1.05% expense ratio.

Dividends

OEGYX vs. OEGAX - Dividend Comparison

OEGYX's dividend yield for the trailing twelve months is around 5.80%, less than OEGAX's 7.09% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
OEGAX Invesco Discovery Mid Cap Growth Fund Class A	7.09%	9.10%	4.95%	0.00%	0.00%	18.94%	3.55%	4.40%	10.54%	9.32%	0.89%	4.27%
OEGYX Invesco Discovery Mid Cap Growth Fund	5.80%	7.45%	4.13%	0.00%	0.00%	16.02%	3.08%	3.85%	9.31%	8.34%	0.81%	3.88%

Frequently Asked Questions

Can I hold both OEGYX and OEGAX in my portfolio?

OEGYX and OEGAX have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OEGYX or OEGAX?

OEGYX has higher volatility (7.62%) compared to OEGAX (7.60%). In terms of maximum drawdown, OEGYX dropped -53.44% vs OEGAX's -53.73%.

Which has better risk-adjusted returns?

OEGAX currently has the higher Sharpe Ratio (1.74 vs 1.63), 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.