MYIIX vs. FHLFX

Last updated Jul 15, 2026

MYIIX (MainStay WMC International Research Equity Fund) and FHLFX (Fidelity Series International Index Fund) are both Foreign Large Cap Equities funds. Over the past 5 years, MYIIX returned 9.71%/yr vs 8.89%/yr for FHLFX. Their correlation of 0.90 suggests significant overlap in exposure. MYIIX charges 0.86%/yr vs 0.01%/yr for FHLFX.

Performance

MYIIX vs. FHLFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MainStay WMC International Research Equity Fund (MYIIX) and Fidelity Series International Index Fund (FHLFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MYIIX achieves a 11.49% return, which is significantly higher than FHLFX's 9.40% return.

MYIIX

• 1D: -1.45%
• 1M: -1.45%
• 6M: 7.54%
• YTD: 11.49%
• 1Y: 29.43%
• 3Y*: 18.62%
• 5Y*: 9.71%
• 10Y*: 7.60%

FHLFX

• 1D: -0.90%
• 1M: -0.12%
• 6M: 6.23%
• YTD: 9.40%
• 1Y: 20.56%
• 3Y*: 15.65%
• 5Y*: 8.89%
• 10Y*: —

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

MYIIX vs. FHLFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
MYIIX MainStay WMC International Research Equity Fund	11.49%	39.10%	7.56%	13.56%	-15.94%	10.65%	1.75%	17.15%	-13.46%
FHLFX Fidelity Series International Index Fund	9.40%	31.96%	3.67%	18.16%	-14.17%	11.23%	8.09%	21.66%	-10.70%

Correlation

The correlation between MYIIX and FHLFX is 0.77, 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	0.77
Correlation (3Y) Calculated over the trailing 3-year period	0.84
Correlation (5Y) Calculated over the trailing 5-year period	0.89
Correlation (All Time) Calculated using the full available price history since Sep 4, 2018	0.90

The correlation between MYIIX and FHLFX shifts across timeframes, from 0.77 (1 year) to 0.90 (all time), reflecting how their relationship changes across market environments.

Return for Risk

MYIIX vs. FHLFX — Risk / Return Rank

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

MYIIX

MYIIX Risk / Return Rank: 74
MYIIX Sharpe Ratio Rank: 78
MYIIX Sortino Ratio Rank: 72
MYIIX Omega Ratio Rank: 76
MYIIX Calmar Ratio Rank: 74
MYIIX Martin Ratio Rank: 69

FHLFX

FHLFX Risk / Return Rank: 37
FHLFX Sharpe Ratio Rank: 36
FHLFX Sortino Ratio Rank: 36
FHLFX Omega Ratio Rank: 36
FHLFX Calmar Ratio Rank: 36
FHLFX Martin Ratio Rank: 39

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.

MYIIX vs. FHLFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MainStay WMC International Research Equity Fund (MYIIX) and Fidelity Series International Index Fund (FHLFX). 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.

	MYIIX	FHLFX	Difference
Sharpe ratio: Return per unit of total volatility	1.99	1.32	+0.68
Sortino ratio: Return per unit of downside risk	2.65	1.90	+0.75
Omega ratio: Gain probability vs. loss probability	1.37	1.24	+0.13
Calmar ratio: Return relative to maximum drawdown	2.65	1.79	+0.85
Martin ratio: Return relative to average drawdown	10.00	6.68	+3.31

MYIIX vs. FHLFX - Sharpe Ratio Comparison

The current MYIIX Sharpe Ratio is 1.99, which is higher than the FHLFX Sharpe Ratio of 1.32. The chart below compares the historical Sharpe Ratios of MYIIX and FHLFX, 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

MYIIX vs. FHLFX - Drawdown Comparison

The maximum MYIIX drawdown since its inception was -62.79%, which is greater than FHLFX's maximum drawdown of -33.58%. Use the drawdown chart below to compare losses from any high point for MYIIX and FHLFX.

Drawdown Indicators

	MYIIX	FHLFX	Difference
Max Drawdown Largest peak-to-trough decline	-62.79%	-33.58%	-29.21%
Max Drawdown (1Y) Largest decline over 1 year	-11.17%	-11.37%	+0.20%
Max Drawdown (3Y) Largest decline over 3 years	-13.81%	-13.62%	-0.19%
Max Drawdown (5Y) Largest decline over 5 years	-30.71%	-29.36%	-1.35%
Max Drawdown (10Y) Largest decline over 10 years	-44.88%	—	—
Current Drawdown Current decline from peak	-3.35%	-2.02%	-1.33%
Average Drawdown Average peak-to-trough decline	-17.10%	-6.04%	-11.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.95%	3.04%	-0.09%

Volatility

MYIIX vs. FHLFX - Volatility Comparison

MainStay WMC International Research Equity Fund (MYIIX) has a higher volatility of 5.86% compared to Fidelity Series International Index Fund (FHLFX) at 5.03%. This indicates that MYIIX's price experiences larger fluctuations and is considered to be riskier than FHLFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MYIIX	FHLFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.86%	5.03%	+0.83%
Volatility (6M) Calculated over the trailing 6-month period	12.86%	13.11%	-0.25%
Volatility (1Y) Calculated over the trailing 1-year period	14.85%	15.52%	-0.67%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.44%	16.10%	-0.66%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.79%	17.64%	-1.85%

MYIIX vs. FHLFX - Expense Ratio Comparison

MYIIX has a 0.86% expense ratio, which is higher than FHLFX's 0.01% expense ratio.

Dividends

MYIIX vs. FHLFX - Dividend Comparison

MYIIX's dividend yield for the trailing twelve months is around 2.62%, less than FHLFX's 3.16% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FHLFX Fidelity Series International Index Fund	3.16%	3.46%	2.98%	2.86%	2.60%	2.47%	1.92%	1.95%	0.62%	0.00%	0.00%	0.00%
MYIIX MainStay WMC International Research Equity Fund	2.62%	2.92%	1.88%	2.05%	1.98%	2.74%	2.13%	10.18%	6.35%	1.76%	3.16%	0.90%

Frequently Asked Questions

Can I hold both MYIIX and FHLFX in my portfolio?

MYIIX and FHLFX have a correlation of 0.77, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MYIIX or FHLFX?

MYIIX has higher volatility (5.86%) compared to FHLFX (5.03%). In terms of maximum drawdown, MYIIX dropped -62.79% vs FHLFX's -33.58%.

Which has better risk-adjusted returns?

MYIIX currently has the higher Sharpe Ratio (1.99 vs 1.32), 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.