OPOCX vs. DMCRX

Last updated Jul 17, 2026

OPOCX (Invesco Discovery Fund) and DMCRX (Driehaus Micro Cap Growth Fund) are both Small Cap Growth Equities funds. Over the past 10 years, OPOCX returned 15.87%/yr vs 21.92%/yr for DMCRX. Their correlation of 0.91 suggests significant overlap in exposure. OPOCX charges 1.01%/yr vs 1.38%/yr for DMCRX.

Performance

OPOCX vs. DMCRX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Discovery Fund (OPOCX) and Driehaus Micro Cap Growth Fund (DMCRX). 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 OPOCX having a 28.35% return and DMCRX slightly lower at 27.45%. Over the past 10 years, OPOCX has underperformed DMCRX with an annualized return of 15.87%, while DMCRX has yielded a comparatively higher 21.92% annualized return.

OPOCX

• 1D: -0.24%
• 1M: -3.60%
• 6M: 16.51%
• YTD: 28.35%
• 1Y: 46.05%
• 3Y*: 23.29%
• 5Y*: 10.26%
• 10Y*: 15.87%

DMCRX

• 1D: -1.49%
• 1M: 3.76%
• 6M: 17.01%
• YTD: 27.45%
• 1Y: 69.73%
• 3Y*: 28.82%
• 5Y*: 12.45%
• 10Y*: 21.92%

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

OPOCX vs. DMCRX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OPOCX Invesco Discovery Fund	28.35%	16.77%	22.61%	17.02%	-31.26%	14.78%	50.33%	36.81%	-4.15%	29.04%
DMCRX Driehaus Micro Cap Growth Fund	27.45%	31.17%	30.58%	11.47%	-33.54%	22.23%	86.43%	34.03%	2.52%	24.35%

Correlation

The correlation between OPOCX and DMCRX is 0.83, 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	0.83
Correlation (3Y) Calculated over the trailing 3-year period	0.88
Correlation (5Y) Calculated over the trailing 5-year period	0.90
Correlation (10Y) Calculated over the trailing 10-year period	0.90
Correlation (All Time) Calculated using the full available price history since Nov 20, 2013	0.91

The correlation between OPOCX and DMCRX has been stable across timeframes, ranging from 0.83 to 0.91 - a consistent structural relationship.

Return for Risk

OPOCX vs. DMCRX — Risk / Return Rank

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

OPOCX

OPOCX Risk / Return Rank: 72
OPOCX Sharpe Ratio Rank: 64
OPOCX Sortino Ratio Rank: 55
OPOCX Omega Ratio Rank: 52
OPOCX Calmar Ratio Rank: 93
OPOCX Martin Ratio Rank: 92

DMCRX

DMCRX Risk / Return Rank: 87
DMCRX Sharpe Ratio Rank: 90
DMCRX Sortino Ratio Rank: 78
DMCRX Omega Ratio Rank: 76
DMCRX Calmar Ratio Rank: 96
DMCRX Martin Ratio Rank: 94

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.

OPOCX vs. DMCRX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Discovery Fund (OPOCX) and Driehaus Micro Cap Growth Fund (DMCRX). 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.

	OPOCX	DMCRX	Difference
Sharpe ratio: Return per unit of total volatility	1.80	2.45	-0.65
Sortino ratio: Return per unit of downside risk	2.38	2.94	-0.56
Omega ratio: Gain probability vs. loss probability	1.30	1.38	-0.08
Calmar ratio: Return relative to maximum drawdown	4.18	4.74	-0.56
Martin ratio: Return relative to average drawdown	14.84	16.24	-1.40

OPOCX vs. DMCRX - Sharpe Ratio Comparison

The current OPOCX Sharpe Ratio is 1.80, which is comparable to the DMCRX Sharpe Ratio of 2.45. The chart below compares the historical Sharpe Ratios of OPOCX and DMCRX, 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

OPOCX vs. DMCRX - Drawdown Comparison

The maximum OPOCX drawdown since its inception was -64.17%, which is greater than DMCRX's maximum drawdown of -46.68%. Use the drawdown chart below to compare losses from any high point for OPOCX and DMCRX.

Drawdown Indicators

	OPOCX	DMCRX	Difference
Max Drawdown Largest peak-to-trough decline	-64.17%	-46.68%	-17.49%
Max Drawdown (1Y) Largest decline over 1 year	-11.38%	-15.46%	+4.08%
Max Drawdown (3Y) Largest decline over 3 years	-28.60%	-34.92%	+6.32%
Max Drawdown (5Y) Largest decline over 5 years	-43.27%	-46.68%	+3.41%
Max Drawdown (10Y) Largest decline over 10 years	-43.27%	-46.68%	+3.41%
Current Drawdown Current decline from peak	-7.63%	-4.89%	-2.74%
Average Drawdown Average peak-to-trough decline	-18.82%	-14.73%	-4.09%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.19%	4.49%	-1.30%

Volatility

OPOCX vs. DMCRX - Volatility Comparison

Invesco Discovery Fund (OPOCX) has a higher volatility of 8.98% compared to Driehaus Micro Cap Growth Fund (DMCRX) at 8.06%. This indicates that OPOCX's price experiences larger fluctuations and is considered to be riskier than DMCRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OPOCX	DMCRX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.98%	8.06%	+0.92%
Volatility (6M) Calculated over the trailing 6-month period	21.75%	22.99%	-1.24%
Volatility (1Y) Calculated over the trailing 1-year period	26.49%	29.90%	-3.41%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.79%	28.71%	-2.92%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.00%	28.03%	-3.03%

OPOCX vs. DMCRX - Expense Ratio Comparison

OPOCX has a 1.01% expense ratio, which is lower than DMCRX's 1.38% expense ratio.

Dividends

OPOCX vs. DMCRX - Dividend Comparison

OPOCX's dividend yield for the trailing twelve months is around 10.45%, less than DMCRX's 10.76% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DMCRX Driehaus Micro Cap Growth Fund	10.76%	13.72%	3.86%	0.87%	8.20%	48.23%	19.79%	14.70%	33.22%	8.91%	0.00%	4.20%
OPOCX Invesco Discovery Fund	10.45%	13.41%	6.86%	0.00%	0.00%	20.51%	11.22%	6.42%	18.85%	12.46%	4.33%	6.84%

Frequently Asked Questions

Can I hold both OPOCX and DMCRX in my portfolio?

OPOCX and DMCRX have a correlation of 0.83, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OPOCX or DMCRX?

OPOCX has higher volatility (8.98%) compared to DMCRX (8.06%). In terms of maximum drawdown, OPOCX dropped -64.17% vs DMCRX's -46.68%.

Which has better risk-adjusted returns?

DMCRX currently has the higher Sharpe Ratio (2.45 vs 1.80), 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.