FOPIX vs. FSTSX
FOPIX (Fidelity Advisor International Small Cap Opportunities Fund Class I) and FSTSX (Fidelity Series International Small Cap Fund) are both Foreign Small & Mid Cap Equities funds from Fidelity. Over the past 10 years, FOPIX returned 8.96%/yr vs 9.83%/yr for FSTSX. With a 0.99 correlation, they move nearly in lockstep. FOPIX charges 1.24%/yr vs 0.03%/yr for FSTSX.
Performance
FOPIX vs. FSTSX - Performance Comparison
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Returns By Period
The year-to-date returns for both stocks are quite close, with FOPIX having a 7.05% return and FSTSX slightly lower at 7.04%. Over the past 10 years, FOPIX has underperformed FSTSX with an annualized return of 8.96%, while FSTSX has yielded a comparatively higher 9.83% annualized return.
FOPIX
- 1D
- -0.55%
- 1M
- 1.52%
- YTD
- 7.05%
- 6M
- 8.76%
- 1Y
- 15.69%
- 3Y*
- 14.27%
- 5Y*
- 4.59%
- 10Y*
- 8.96%
FSTSX
- 1D
- -0.62%
- 1M
- 1.48%
- YTD
- 7.04%
- 6M
- 8.80%
- 1Y
- 16.48%
- 3Y*
- 15.60%
- 5Y*
- 6.05%
- 10Y*
- 9.83%
FOPIX vs. FSTSX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FOPIX Fidelity Advisor International Small Cap Opportunities Fund Class I | 7.05% | 25.00% | 4.06% | 16.88% | -28.91% | 17.64% | 19.57% | 29.11% | -14.14% | 34.68% |
FSTSX Fidelity Series International Small Cap Fund | 7.04% | 27.49% | 4.97% | 18.36% | -26.25% | 18.29% | 19.61% | 28.24% | -13.19% | 34.44% |
Correlation
The correlation between FOPIX and FSTSX is 1.00 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 1.00 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.99 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.99 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.99 |
Correlation (All Time) Calculated using the full available price history since Dec 7, 2009 | 0.99 |
The correlation between FOPIX and FSTSX has been stable across timeframes, ranging from 0.99 to 1.00 - a consistent structural relationship.
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Return for Risk
FOPIX vs. FSTSX — Risk / Return Rank
FOPIX
FSTSX
FOPIX vs. FSTSX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor International Small Cap Opportunities Fund Class I (FOPIX) and Fidelity Series International Small Cap Fund (FSTSX). 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.
| FOPIX | FSTSX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.04 | ||
| Sortino ratioReturn per unit of downside risk | -0.06 | ||
| Omega ratioGain probability vs. loss probability | 1.22 | 1.23 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 1.52 | 1.57 | -0.05 |
| Martin ratioReturn relative to average drawdown | 5.07 | 5.32 | -0.25 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| FOPIX | FSTSX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.22 | 1.27 | -0.04 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.28 | 0.37 | -0.09 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.56 | 0.62 | -0.06 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.37 | 0.62 | -0.25 |
Drawdowns
FOPIX vs. FSTSX - Drawdown Comparison
The maximum FOPIX drawdown since its inception was -72.69%, which is greater than FSTSX's maximum drawdown of -38.91%. Use the drawdown chart below to compare losses from any high point for FOPIX and FSTSX.
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Drawdown Indicators
| FOPIX | FSTSX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -72.69% | -38.91% | -33.78% |
Max Drawdown (1Y)Largest decline over 1 year | -11.00% | -11.22% | +0.22% |
Max Drawdown (3Y)Largest decline over 3 years | -14.76% | -14.47% | -0.29% |
Max Drawdown (5Y)Largest decline over 5 years | -40.75% | -38.91% | -1.84% |
Max Drawdown (10Y)Largest decline over 10 years | -40.75% | -38.91% | -1.84% |
Current DrawdownCurrent decline from peak | -1.56% | -1.69% | +0.13% |
Average DrawdownAverage peak-to-trough decline | -18.47% | -7.89% | -10.58% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.29% | 3.30% | -0.01% |
Volatility
FOPIX vs. FSTSX - Volatility Comparison
Fidelity Advisor International Small Cap Opportunities Fund Class I (FOPIX) and Fidelity Series International Small Cap Fund (FSTSX) have volatilities of 4.39% and 4.47%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FOPIX | FSTSX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.39% | 4.47% | -0.08% |
Volatility (6M)Calculated over the trailing 6-month period | 10.90% | 11.07% | -0.17% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.71% | 13.92% | -0.21% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.74% | 16.42% | +0.32% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.12% | 15.94% | +0.18% |
FOPIX vs. FSTSX - Expense Ratio Comparison
FOPIX has a 1.24% expense ratio, which is higher than FSTSX's 0.03% expense ratio.
Dividends
FOPIX vs. FSTSX - Dividend Comparison
FOPIX's dividend yield for the trailing twelve months is around 10.86%, less than FSTSX's 14.23% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FOPIX Fidelity Advisor International Small Cap Opportunities Fund Class I | 10.86% | 11.62% | 6.34% | 3.73% | 6.43% | 8.85% | 0.00% | 1.04% | 2.95% | 1.31% | 1.49% | 0.47% |
FSTSX Fidelity Series International Small Cap Fund | 14.23% | 15.24% | 10.22% | 3.34% | 6.38% | 13.22% | 0.81% | 4.27% | 10.99% | 6.30% | 4.01% | 7.32% |
Frequently Asked Questions
With a correlation of 1.00, FOPIX and FSTSX 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.
FSTSX has higher volatility (4.47%) compared to FOPIX (4.39%). In terms of maximum drawdown, FOPIX dropped -72.69% vs FSTSX's -38.91%.
FSTSX currently has the higher Sharpe Ratio (1.27 vs 1.22), 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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