OEGAX vs. OEGYX

Last updated Aug 5, 2026

OEGAX (Invesco Discovery Mid Cap Growth Fund Class A) and OEGYX (Invesco Discovery Mid Cap Growth Fund) are both Mid Cap Growth Equities funds from Invesco. Over the past 10 years, OEGAX returned 12.28%/yr vs 12.57%/yr for OEGYX. Their 0.99 correlation means they have historically moved very closely together. OEGAX charges 1.05%/yr vs 0.78%/yr for OEGYX.

Performance

OEGAX vs. OEGYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Discovery Mid Cap Growth Fund Class A (OEGAX) and Invesco Discovery Mid Cap Growth Fund (OEGYX). 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 OEGAX having a 18.56% return and OEGYX slightly higher at 18.74%. Both investments have delivered pretty close results over the past 10 years, with OEGAX having a 12.28% annualized return and OEGYX not far ahead at 12.57%.

OEGAX

• 1D: 0.95%
• 1M: -2.27%
• 6M: 12.10%
• YTD: 18.56%
• 1Y: 19.46%
• 3Y*: 17.12%
• 5Y*: 4.30%
• 10Y*: 12.28%
• ALL TIME*: 8.54%

OEGYX

• 1D: 0.96%
• 1M: -2.26%
• 6M: 12.21%
• YTD: 18.74%
• 1Y: 19.73%
• 3Y*: 17.40%
• 5Y*: 4.57%
• 10Y*: 12.57%
• ALL TIME*: 8.97%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
OEGAX Invesco Discovery Mid Cap Growth Fund Class A	$0.00	$0.00	$0.00
OEGYX Invesco Discovery Mid Cap Growth Fund	$0.00	$0.00	$0.00

OEGAX vs. OEGYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OEGAX Invesco Discovery Mid Cap Growth Fund Class A	18.56%	4.85%	24.09%	12.96%	-31.09%	18.44%	40.12%	38.98%	-6.72%	27.95%
OEGYX Invesco Discovery Mid Cap Growth Fund	18.74%	5.08%	24.38%	13.24%	-30.92%	18.76%	40.53%	39.33%	-6.50%	28.34%

Correlation

The correlation between OEGAX and OEGYX is 0.88, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.88
Correlation (3Y) Balances recent behavior with more history.	0.95
Correlation (5Y) Shows whether the relationship held over a longer period.	0.97
Correlation (10Y) Provides a long-term view across more market conditions.	0.98
Correlation (All Time) Calculated using the full available price history since Oct 31, 2000	0.99

The correlation between OEGAX and OEGYX shifts across timeframes, from 0.88 (1 year) to 0.99 (all time), reflecting how their relationship changes across market environments.

Return for Risk

OEGAX vs. OEGYX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

OEGAX

OEGAX Risk / Return Rank: 33
OEGAX Sharpe Ratio Rank: 25
OEGAX Sortino Ratio Rank: 26
OEGAX Omega Ratio Rank: 25
OEGAX Calmar Ratio Rank: 46
OEGAX Martin Ratio Rank: 41

OEGYX

OEGYX Risk / Return Rank: 30
OEGYX Sharpe Ratio Rank: 25
OEGYX Sortino Ratio Rank: 24
OEGYX Omega Ratio Rank: 24
OEGYX Calmar Ratio Rank: 41
OEGYX Martin Ratio Rank: 38

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

OEGAX vs. OEGYX - Risk-Adjusted Trends Comparison

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

	OEGAX	OEGYX	Difference
Sharpe ratio: Return per unit of total volatility	1.03	0.96	+0.07
Sortino ratio: Return per unit of downside risk	1.56	1.42	+0.14
Omega ratio: Gain probability vs. loss probability	1.19	1.17	+0.01
Calmar ratio: Return relative to maximum drawdown	2.03	1.85	+0.18
Martin ratio: Return relative to average drawdown	6.60	6.12	+0.48

OEGAX vs. OEGYX - Sharpe Ratio Comparison

The current OEGAX Sharpe Ratio is 1.03, which is comparable to the OEGYX Sharpe Ratio of 0.96. The chart below compares the historical Sharpe Ratios of OEGAX and OEGYX, 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

OEGAX vs. OEGYX - Drawdown Comparison

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

Drawdown Indicators

	OEGAX	OEGYX	Difference
Max Drawdown Largest peak-to-trough decline	-53.73%	-53.44%	-0.29%
Max Drawdown (1Y) Largest decline over 1 year	-11.82%	-11.81%	-0.01%
Max Drawdown (3Y) Largest decline over 3 years	-28.64%	-28.58%	-0.06%
Max Drawdown (5Y) Largest decline over 5 years	-39.38%	-39.25%	-0.13%
Max Drawdown (10Y) Largest decline over 10 years	-39.38%	-39.25%	-0.13%
Current Drawdown Current decline from peak	-7.62%	-7.61%	-0.01%
Average Drawdown Average peak-to-trough decline	-12.72%	-12.45%	-0.27%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.48%	3.55%	-0.07%

Volatility

OEGAX vs. OEGYX - Volatility Comparison

Invesco Discovery Mid Cap Growth Fund Class A (OEGAX) and Invesco Discovery Mid Cap Growth Fund (OEGYX) have volatilities of 7.16% and 7.13%, 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

	OEGAX	OEGYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.16%	7.13%	+0.03%
Volatility (6M) Calculated over the trailing 6-month period	18.45%	18.94%	-0.49%
Volatility (1Y) Calculated over the trailing 1-year period	23.46%	22.84%	+0.62%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.62%	22.55%	+0.07%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.31%	22.26%	+0.05%

OEGAX vs. OEGYX - Expense Ratio Comparison

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

Dividends

OEGAX vs. OEGYX - Dividend Comparison

OEGAX's dividend yield for the trailing twelve months is around 7.67%, more than OEGYX's 6.28% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
OEGAX Invesco Discovery Mid Cap Growth Fund Class A	7.67%	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	6.28%	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 OEGAX and OEGYX in my portfolio?

OEGAX and OEGYX have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OEGAX or OEGYX?

OEGAX has higher volatility (7.16%) compared to OEGYX (7.13%). In terms of maximum drawdown, OEGAX dropped -53.73% vs OEGYX's -53.44%.

Which has better risk-adjusted returns?

OEGAX currently has the higher Sharpe Ratio (1.03 vs 0.96), 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.