OPGSX vs. ACSTX
OPGSX (Invesco Gold & Special Minerals Fund) and ACSTX (Invesco Comstock Fund) are both mutual funds - OPGSX is a Gold fund managed by Invesco, while ACSTX is a Large Cap Value Equities fund managed by Invesco. Over the past 10 years, OPGSX returned 13.51%/yr vs 13.17%/yr for ACSTX. At a 0.22 correlation, their price movements are largely independent. OPGSX charges 1.05%/yr vs 0.80%/yr for ACSTX.
Performance
OPGSX vs. ACSTX - Performance Comparison
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Returns By Period
In the year-to-date period, OPGSX achieves a -3.25% return, which is significantly lower than ACSTX's 10.38% return. Both investments have delivered pretty close results over the past 10 years, with OPGSX having a 13.51% annualized return and ACSTX not far behind at 13.17%.
OPGSX
- 1D
- -1.04%
- 1M
- -3.98%
- YTD
- -3.25%
- 6M
- -7.32%
- 1Y
- 51.63%
- 3Y*
- 37.36%
- 5Y*
- 16.92%
- 10Y*
- 13.51%
ACSTX
- 1D
- 0.45%
- 1M
- 0.95%
- YTD
- 10.38%
- 6M
- 9.91%
- 1Y
- 22.73%
- 3Y*
- 18.22%
- 5Y*
- 12.90%
- 10Y*
- 13.17%
OPGSX vs. ACSTX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
OPGSX Invesco Gold & Special Minerals Fund | -3.25% | 131.03% | 13.05% | 6.35% | -16.86% | -2.75% | 36.15% | 46.37% | -13.15% | 17.17% |
ACSTX Invesco Comstock Fund | 10.38% | 17.22% | 15.00% | 12.37% | 0.74% | 33.33% | -0.78% | 24.35% | -12.34% | 17.75% |
Correlation
The correlation between OPGSX and ACSTX is 0.23, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.23 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.29 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.37 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.24 |
Correlation (All Time) Calculated using the full available price history since Jul 19, 1983 | 0.22 |
The correlation between OPGSX and ACSTX shifts across timeframes, from 0.22 (all time) to 0.37 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
OPGSX vs. ACSTX — Risk / Return Rank
OPGSX
ACSTX
OPGSX vs. ACSTX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco Gold & Special Minerals Fund (OPGSX) and Invesco Comstock Fund (ACSTX). 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.
| OPGSX | ACSTX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.82 | ||
| Sortino ratioReturn per unit of downside risk | -1.32 | ||
| Omega ratioGain probability vs. loss probability | 1.24 | 1.39 | -0.14 |
| Calmar ratioReturn relative to maximum drawdown | 1.75 | 2.97 | -1.23 |
| Martin ratioReturn relative to average drawdown | 4.66 | 11.28 | -6.62 |
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Drawdowns
OPGSX vs. ACSTX - Drawdown Comparison
The maximum OPGSX drawdown since its inception was -80.04%, which is greater than ACSTX's maximum drawdown of -58.61%. Use the drawdown chart below to compare losses from any high point for OPGSX and ACSTX.
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Drawdown Indicators
| OPGSX | ACSTX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -80.04% | -58.61% | -21.43% |
Max Drawdown (1Y)Largest decline over 1 year | -34.52% | -8.02% | -26.50% |
Max Drawdown (3Y)Largest decline over 3 years | -34.52% | -15.61% | -18.91% |
Max Drawdown (5Y)Largest decline over 5 years | -47.09% | -17.25% | -29.84% |
Max Drawdown (10Y)Largest decline over 10 years | -47.09% | -44.80% | -2.29% |
Current DrawdownCurrent decline from peak | -27.42% | -0.79% | -26.63% |
Average DrawdownAverage peak-to-trough decline | -29.29% | -9.34% | -19.95% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 12.44% | 2.11% | +10.33% |
Volatility
OPGSX vs. ACSTX - Volatility Comparison
Invesco Gold & Special Minerals Fund (OPGSX) has a higher volatility of 15.38% compared to Invesco Comstock Fund (ACSTX) at 3.28%. This indicates that OPGSX's price experiences larger fluctuations and is considered to be riskier than ACSTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| OPGSX | ACSTX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 15.38% | 3.28% | +12.10% |
Volatility (6M)Calculated over the trailing 6-month period | 37.04% | 8.24% | +28.80% |
Volatility (1Y)Calculated over the trailing 1-year period | 45.20% | 11.08% | +34.12% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 33.96% | 15.36% | +18.60% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 33.11% | 19.46% | +13.65% |
OPGSX vs. ACSTX - Expense Ratio Comparison
OPGSX has a 1.05% expense ratio, which is higher than ACSTX's 0.80% expense ratio.
Dividends
OPGSX vs. ACSTX - Dividend Comparison
OPGSX's dividend yield for the trailing twelve months is around 0.44%, less than ACSTX's 8.01% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ACSTX Invesco Comstock Fund | 8.01% | 8.79% | 10.17% | 8.44% | 13.00% | 8.66% | 2.05% | 6.66% | 10.03% | 3.60% | 6.98% | 1.10% |
OPGSX Invesco Gold & Special Minerals Fund | 0.44% | 0.43% | 0.86% | 0.81% | 0.45% | 3.56% | 1.55% | 0.29% | 0.00% | 2.78% | 7.21% | 0.00% |
Frequently Asked Questions
OPGSX and ACSTX have a correlation of 0.23, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
OPGSX has higher volatility (15.38%) compared to ACSTX (3.28%). In terms of maximum drawdown, OPGSX dropped -80.04% vs ACSTX's -58.61%.
ACSTX currently has the higher Sharpe Ratio (2.16 vs 1.34), 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.
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