OEMYX vs. ACSTX

Last updated Aug 5, 2026

OEMYX (Invesco Emerging Markets Local Debt Fund) and ACSTX (Invesco Comstock Fund) are both mutual funds - OEMYX is a Emerging Markets Bonds fund managed by Invesco, while ACSTX is a Large Cap Value Equities fund managed by Invesco. Over the past 10 years, OEMYX returned 2.32%/yr vs 12.62%/yr for ACSTX. Their 0.41 correlation means their historical movements had little consistent relationship. OEMYX charges 1.12%/yr vs 0.80%/yr for ACSTX.

Performance

OEMYX vs. ACSTX - Performance Comparison

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

Returns By Period

In the year-to-date period, OEMYX achieves a -0.93% return, which is significantly lower than ACSTX's 13.68% return. Over the past 10 years, OEMYX has underperformed ACSTX with an annualized return of 2.32%, while ACSTX has yielded a comparatively higher 12.62% annualized return.

OEMYX

• 1D: -0.19%
• 1M: -0.74%
• 6M: -3.36%
• YTD: -0.93%
• 1Y: 4.26%
• 3Y*: 4.77%
• 5Y*: 1.74%
• 10Y*: 2.32%
• ALL TIME*: 2.20%

ACSTX

• 1D: 0.61%
• 1M: 1.61%
• 6M: 9.49%
• YTD: 13.68%
• 1Y: 23.98%
• 3Y*: 17.07%
• 5Y*: 13.60%
• 10Y*: 12.62%
• ALL TIME*: 9.55%

*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)
ACSTX Invesco Comstock Fund	$0.00	$0.00	$0.00
OEMYX Invesco Emerging Markets Local Debt Fund	$0.00	$0.00	$0.00

OEMYX vs. ACSTX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OEMYX Invesco Emerging Markets Local Debt Fund	-0.93%	18.09%	-4.60%	12.85%	-9.39%	-10.13%	3.99%	13.75%	-6.83%	15.23%
ACSTX Invesco Comstock Fund	13.68%	17.22%	15.00%	12.37%	0.74%	33.33%	-0.78%	24.35%	-12.34%	17.75%

Correlation

The correlation between OEMYX and ACSTX is 0.36, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.36
Correlation (3Y) Balances recent behavior with more history.	0.34
Correlation (5Y) Shows whether the relationship held over a longer period.	0.39
Correlation (10Y) Provides a long-term view across more market conditions.	0.35
Correlation (All Time) Calculated using the full available price history since Jul 1, 2010	0.41

Return for Risk

OEMYX vs. ACSTX — Risk / Return Rank

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

OEMYX

OEMYX Risk / Return Rank: 13
OEMYX Sharpe Ratio Rank: 14
OEMYX Sortino Ratio Rank: 14
OEMYX Omega Ratio Rank: 14
OEMYX Calmar Ratio Rank: 10
OEMYX Martin Ratio Rank: 11

ACSTX

ACSTX Risk / Return Rank: 88
ACSTX Sharpe Ratio Rank: 91
ACSTX Sortino Ratio Rank: 91
ACSTX Omega Ratio Rank: 86
ACSTX Calmar Ratio Rank: 86
ACSTX Martin Ratio Rank: 89

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.

OEMYX vs. ACSTX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Emerging Markets Local Debt Fund (OEMYX) 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.

	OEMYX	ACSTX	Difference
Sharpe ratio: Return per unit of total volatility	0.62	2.35	-1.73
Sortino ratio: Return per unit of downside risk	0.94	3.38	-2.44
Omega ratio: Gain probability vs. loss probability	1.12	1.43	-0.31
Calmar ratio: Return relative to maximum drawdown	0.59	3.16	-2.58
Martin ratio: Return relative to average drawdown	1.60	12.45	-10.85

OEMYX vs. ACSTX - Sharpe Ratio Comparison

The current OEMYX Sharpe Ratio is 0.62, which is lower than the ACSTX Sharpe Ratio of 2.35. The chart below compares the historical Sharpe Ratios of OEMYX and ACSTX, 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

OEMYX vs. ACSTX - Drawdown Comparison

The maximum OEMYX drawdown since its inception was -27.97%, smaller than the maximum ACSTX drawdown of -58.61%. Use the drawdown chart below to compare losses from any high point for OEMYX and ACSTX.

Drawdown Indicators

	OEMYX	ACSTX	Difference
Max Drawdown Largest peak-to-trough decline	-27.97%	-58.61%	+30.64%
Max Drawdown (1Y) Largest decline over 1 year	-9.22%	-8.02%	-1.20%
Max Drawdown (3Y) Largest decline over 3 years	-9.22%	-15.61%	+6.39%
Max Drawdown (5Y) Largest decline over 5 years	-22.72%	-17.25%	-5.47%
Max Drawdown (10Y) Largest decline over 10 years	-27.09%	-44.80%	+17.71%
Current Drawdown Current decline from peak	-4.03%	0.00%	-4.03%
Average Drawdown Average peak-to-trough decline	-8.80%	-9.32%	+0.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.23%	2.03%	+1.20%

Volatility

OEMYX vs. ACSTX - Volatility Comparison

The current volatility for Invesco Emerging Markets Local Debt Fund (OEMYX) is 1.86%, while Invesco Comstock Fund (ACSTX) has a volatility of 2.32%. This indicates that OEMYX experiences smaller price fluctuations and is considered to be less risky than ACSTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OEMYX	ACSTX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.86%	2.32%	-0.46%
Volatility (6M) Calculated over the trailing 6-month period	7.55%	8.01%	-0.46%
Volatility (1Y) Calculated over the trailing 1-year period	8.75%	10.80%	-2.05%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	8.32%	15.19%	-6.87%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	8.68%	19.32%	-10.64%

OEMYX vs. ACSTX - Expense Ratio Comparison

OEMYX has a 1.12% expense ratio, which is higher than ACSTX's 0.80% expense ratio.

Dividends

OEMYX vs. ACSTX - Dividend Comparison

OEMYX's dividend yield for the trailing twelve months is around 4.75%, less than ACSTX's 7.81% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ACSTX Invesco Comstock Fund	7.81%	8.79%	10.17%	8.44%	13.00%	8.66%	2.05%	6.66%	10.03%	3.60%	6.98%	1.10%
OEMYX Invesco Emerging Markets Local Debt Fund	4.75%	6.33%	7.09%	4.98%	4.71%	4.64%	3.35%	5.49%	6.24%	6.14%	10.70%	6.59%

Frequently Asked Questions

Can I hold both OEMYX and ACSTX in my portfolio?

OEMYX and ACSTX have a correlation of 0.36, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OEMYX or ACSTX?

ACSTX has higher volatility (2.32%) compared to OEMYX (1.86%). In terms of maximum drawdown, OEMYX dropped -27.97% vs ACSTX's -58.61%.

Which has better risk-adjusted returns?

ACSTX currently has the higher Sharpe Ratio (2.35 vs 0.62), 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.