ACSTX vs. OPPAX

Last updated Jun 4, 2026

ACSTX (Invesco Comstock Fund) and OPPAX (Invesco Global Fund) are both mutual funds - ACSTX is a Large Cap Value Equities fund managed by Invesco, while OPPAX is a Global Equities fund managed by Invesco. Over the past 10 years, ACSTX returned 12.56%/yr vs 12.33%/yr for OPPAX. A 0.68 correlation means they provide meaningful diversification when combined. ACSTX charges 0.80%/yr vs 1.04%/yr for OPPAX.

Performance

ACSTX vs. OPPAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Comstock Fund (ACSTX) and Invesco Global Fund (OPPAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ACSTX achieves a 9.14% return, which is significantly lower than OPPAX's 9.82% return. Both investments have delivered pretty close results over the past 10 years, with ACSTX having a 12.56% annualized return and OPPAX not far behind at 12.33%.

ACSTX

• 1D: 0.45%
• 1M: 3.08%
• YTD: 9.14%
• 6M: 10.66%
• 1Y: 23.62%
• 3Y*: 18.06%
• 5Y*: 11.69%
• 10Y*: 12.56%

OPPAX

• 1D: 0.94%
• 1M: 7.27%
• YTD: 9.82%
• 6M: 9.74%
• 1Y: 23.17%
• 3Y*: 17.95%
• 5Y*: 7.40%
• 10Y*: 12.33%

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

ACSTX vs. OPPAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ACSTX Invesco Comstock Fund	9.14%	17.22%	15.00%	12.37%	0.74%	33.33%	-0.78%	24.35%	-12.34%	17.75%
OPPAX Invesco Global Fund	9.82%	15.20%	16.16%	34.18%	-32.18%	15.23%	27.64%	31.58%	-13.65%	36.25%

Correlation

The correlation between ACSTX and OPPAX is 0.51, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.51
Correlation (3Y) Calculated over the trailing 3-year period	0.59
Correlation (5Y) Calculated over the trailing 5-year period	0.65
Correlation (10Y) Calculated over the trailing 10-year period	0.67
Correlation (All Time) Calculated using the full available price history since Jan 5, 1971	0.68

The correlation between ACSTX and OPPAX shifts across timeframes, from 0.51 (1 year) to 0.68 (all time), reflecting how their relationship changes across market environments.

Return for Risk

ACSTX vs. OPPAX — Risk / Return Rank

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

ACSTX

ACSTX Risk / Return Rank: 59
ACSTX Sharpe Ratio Rank: 59
ACSTX Sortino Ratio Rank: 60
ACSTX Omega Ratio Rank: 54
ACSTX Calmar Ratio Rank: 64
ACSTX Martin Ratio Rank: 58

OPPAX

OPPAX Risk / Return Rank: 25
OPPAX Sharpe Ratio Rank: 29
OPPAX Sortino Ratio Rank: 29
OPPAX Omega Ratio Rank: 26
OPPAX Calmar Ratio Rank: 19
OPPAX Martin Ratio Rank: 23

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.

ACSTX vs. OPPAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Comstock Fund (ACSTX) and Invesco Global Fund (OPPAX). 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.

	ACSTX	OPPAX	Difference
Sharpe ratio: Return per unit of total volatility	2.27	1.52	+0.74
Sortino ratio: Return per unit of downside risk	3.27	2.23	+1.03
Omega ratio: Gain probability vs. loss probability	1.41	1.27	+0.14
Calmar ratio: Return relative to maximum drawdown	3.06	1.58	+1.48
Martin ratio: Return relative to average drawdown	11.64	5.84	+5.80
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ACSTX vs. OPPAX - Sharpe Ratio Comparison

The current ACSTX Sharpe Ratio is 2.27, which is higher than the OPPAX Sharpe Ratio of 1.52. The chart below compares the historical Sharpe Ratios of ACSTX and OPPAX, 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

	ACSTX	OPPAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.27	1.52	+0.74
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.76	0.36	+0.41
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.65	0.60	+0.04
Sharpe Ratio (All Time) Calculated using the full available price history	0.51	0.50	+0.01

Drawdowns

ACSTX vs. OPPAX - Drawdown Comparison

The maximum ACSTX drawdown since its inception was -58.61%, roughly equal to the maximum OPPAX drawdown of -60.39%. Use the drawdown chart below to compare losses from any high point for ACSTX and OPPAX.

Drawdown Indicators

	ACSTX	OPPAX	Difference
Max Drawdown Largest peak-to-trough decline	-58.61%	-60.39%	+1.78%
Max Drawdown (1Y) Largest decline over 1 year	-8.02%	-16.26%	+8.24%
Max Drawdown (3Y) Largest decline over 3 years	-15.61%	-21.69%	+6.08%
Max Drawdown (5Y) Largest decline over 5 years	-17.25%	-41.90%	+24.65%
Max Drawdown (10Y) Largest decline over 10 years	-44.80%	-41.90%	-2.90%
Current Drawdown Current decline from peak	-0.24%	0.00%	-0.24%
Average Drawdown Average peak-to-trough decline	-9.35%	-15.45%	+6.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.10%	4.19%	-2.09%

Volatility

ACSTX vs. OPPAX - Volatility Comparison

The current volatility for Invesco Comstock Fund (ACSTX) is 2.48%, while Invesco Global Fund (OPPAX) has a volatility of 4.54%. This indicates that ACSTX experiences smaller price fluctuations and is considered to be less risky than OPPAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ACSTX	OPPAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.48%	4.54%	-2.06%
Volatility (6M) Calculated over the trailing 6-month period	8.01%	13.97%	-5.96%
Volatility (1Y) Calculated over the trailing 1-year period	10.84%	16.86%	-6.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.41%	21.27%	-5.86%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.46%	20.69%	-1.23%

ACSTX vs. OPPAX - Expense Ratio Comparison

ACSTX has a 0.80% expense ratio, which is lower than OPPAX's 1.04% expense ratio.

Dividends

ACSTX vs. OPPAX - Dividend Comparison

ACSTX's dividend yield for the trailing twelve months is around 8.10%, less than OPPAX's 22.58% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ACSTX Invesco Comstock Fund	8.10%	8.79%	10.17%	8.44%	13.00%	8.66%	2.05%	6.66%	10.03%	3.60%	6.98%	1.10%
OPPAX Invesco Global Fund	22.58%	24.79%	11.93%	10.72%	14.18%	7.18%	5.72%	1.35%	12.92%	5.92%	0.69%	5.17%

Frequently Asked Questions

Can I hold both ACSTX and OPPAX in my portfolio?

ACSTX and OPPAX have a correlation of 0.51, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ACSTX or OPPAX?

OPPAX has higher volatility (4.54%) compared to ACSTX (2.48%). In terms of maximum drawdown, ACSTX dropped -58.61% vs OPPAX's -60.39%.

Which has better risk-adjusted returns?

ACSTX currently has the higher Sharpe Ratio (2.27 vs 1.52), 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.