WFDDX vs. OPOCX

Last updated Jun 6, 2026

WFDDX (Allspring Discovery SMID Cap Growth Fund) and OPOCX (Invesco Discovery Fund) are both mutual funds - WFDDX is a Mid Cap Growth Equities fund managed by Allspring Global Investments, while OPOCX is a Small Cap Growth Equities fund managed by Invesco. Over the past 10 years, WFDDX returned 12.81%/yr vs 16.57%/yr for OPOCX. Their correlation of 0.95 suggests significant overlap in exposure. WFDDX charges 1.11%/yr vs 1.01%/yr for OPOCX.

Performance

WFDDX vs. OPOCX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Allspring Discovery SMID Cap Growth Fund (WFDDX) and Invesco Discovery Fund (OPOCX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, WFDDX achieves a 15.44% return, which is significantly lower than OPOCX's 32.61% return. Over the past 10 years, WFDDX has underperformed OPOCX with an annualized return of 12.81%, while OPOCX has yielded a comparatively higher 16.57% annualized return.

WFDDX

• 1D: 1.05%
• 1M: 3.18%
• YTD: 15.44%
• 6M: 13.68%
• 1Y: 20.79%
• 3Y*: 14.90%
• 5Y*: 1.63%
• 10Y*: 12.81%

OPOCX

• 1D: 0.41%
• 1M: 4.71%
• YTD: 32.61%
• 6M: 31.92%
• 1Y: 55.47%
• 3Y*: 27.57%
• 5Y*: 10.85%
• 10Y*: 16.57%

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

WFDDX vs. OPOCX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
WFDDX Allspring Discovery SMID Cap Growth Fund	15.44%	5.51%	18.05%	20.25%	-37.83%	-6.10%	61.81%	61.34%	-6.95%	29.27%
OPOCX Invesco Discovery Fund	32.61%	16.77%	22.61%	17.02%	-31.26%	14.78%	50.33%	36.81%	-4.15%	29.04%

Correlation

The correlation between WFDDX and OPOCX is 0.91, 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	0.91
Correlation (3Y) Calculated over the trailing 3-year period	0.93
Correlation (5Y) Calculated over the trailing 5-year period	0.93
Correlation (10Y) Calculated over the trailing 10-year period	0.93
Correlation (All Time) Calculated using the full available price history since Apr 11, 2005	0.95

The correlation between WFDDX and OPOCX has been stable across timeframes, ranging from 0.91 to 0.95 - a consistent structural relationship.

Return for Risk

WFDDX vs. OPOCX — Risk / Return Rank

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

WFDDX

WFDDX Risk / Return Rank: 17
WFDDX Sharpe Ratio Rank: 16
WFDDX Sortino Ratio Rank: 16
WFDDX Omega Ratio Rank: 15
WFDDX Calmar Ratio Rank: 18
WFDDX Martin Ratio Rank: 23

OPOCX

OPOCX Risk / Return Rank: 74
OPOCX Sharpe Ratio Rank: 71
OPOCX Sortino Ratio Rank: 57
OPOCX Omega Ratio Rank: 55
OPOCX Calmar Ratio Rank: 93
OPOCX 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.

WFDDX vs. OPOCX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Allspring Discovery SMID Cap Growth Fund (WFDDX) and Invesco Discovery Fund (OPOCX). 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.

	WFDDX	OPOCX	Difference
Sharpe ratio: Return per unit of total volatility	1.06	2.40	-1.34
Sortino ratio: Return per unit of downside risk	1.58	3.08	-1.50
Omega ratio: Gain probability vs. loss probability	1.19	1.39	-0.21
Calmar ratio: Return relative to maximum drawdown	1.48	5.13	-3.65
Martin ratio: Return relative to average drawdown	5.43	20.42	-15.00
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WFDDX vs. OPOCX - Sharpe Ratio Comparison

The current WFDDX Sharpe Ratio is 1.06, which is lower than the OPOCX Sharpe Ratio of 2.40. The chart below compares the historical Sharpe Ratios of WFDDX and OPOCX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	WFDDX	OPOCX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.06	2.40	-1.34
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.05	0.43	-0.38
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.44	0.67	-0.23
Sharpe Ratio (All Time) Calculated using the full available price history	0.41	0.51	-0.11

Drawdowns

WFDDX vs. OPOCX - Drawdown Comparison

The maximum WFDDX drawdown since its inception was -59.22%, smaller than the maximum OPOCX drawdown of -64.17%. Use the drawdown chart below to compare losses from any high point for WFDDX and OPOCX.

Drawdown Indicators

	WFDDX	OPOCX	Difference
Max Drawdown Largest peak-to-trough decline	-59.22%	-64.17%	+4.95%
Max Drawdown (1Y) Largest decline over 1 year	-14.77%	-11.38%	-3.39%
Max Drawdown (3Y) Largest decline over 3 years	-27.05%	-28.60%	+1.55%
Max Drawdown (5Y) Largest decline over 5 years	-59.22%	-43.27%	-15.95%
Max Drawdown (10Y) Largest decline over 10 years	-59.22%	-43.27%	-15.95%
Current Drawdown Current decline from peak	-23.11%	0.00%	-23.11%
Average Drawdown Average peak-to-trough decline	-16.27%	-18.87%	+2.60%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.02%	2.85%	+1.17%

Volatility

WFDDX vs. OPOCX - Volatility Comparison

The current volatility for Allspring Discovery SMID Cap Growth Fund (WFDDX) is 6.00%, while Invesco Discovery Fund (OPOCX) has a volatility of 7.60%. This indicates that WFDDX experiences smaller price fluctuations and is considered to be less risky than OPOCX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WFDDX	OPOCX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.00%	7.60%	-1.60%
Volatility (6M) Calculated over the trailing 6-month period	16.72%	19.95%	-3.23%
Volatility (1Y) Calculated over the trailing 1-year period	20.66%	24.37%	-3.71%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	33.34%	25.38%	+7.96%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.24%	24.84%	+4.40%

WFDDX vs. OPOCX - Expense Ratio Comparison

WFDDX has a 1.11% expense ratio, which is higher than OPOCX's 1.01% expense ratio.

Dividends

WFDDX vs. OPOCX - Dividend Comparison

WFDDX's dividend yield for the trailing twelve months is around 14.87%, more than OPOCX's 10.11% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
OPOCX Invesco Discovery Fund	10.11%	13.41%	6.86%	0.00%	0.00%	20.51%	11.22%	6.42%	18.85%	12.46%	4.33%	6.84%
WFDDX Allspring Discovery SMID Cap Growth Fund	14.87%	17.17%	9.33%	0.00%	1.35%	36.45%	4.93%	26.87%	19.12%	17.95%	1.32%	8.92%

Frequently Asked Questions

Can I hold both WFDDX and OPOCX in my portfolio?

With a correlation of 0.91, WFDDX and OPOCX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, WFDDX or OPOCX?

OPOCX has higher volatility (7.60%) compared to WFDDX (6.00%). In terms of maximum drawdown, WFDDX dropped -59.22% vs OPOCX's -64.17%.

Which has better risk-adjusted returns?

OPOCX currently has the higher Sharpe Ratio (2.40 vs 1.06), 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.