HIISX vs. FSISX
HIISX (Harbor International Small Cap Fund) and FSISX (Fidelity SAI International Small Cap Index Fund) are both Foreign Small & Mid Cap Equities funds. Over the past 5 years, HIISX returned 7.06%/yr vs 5.71%/yr for FSISX. Their correlation of 0.91 means they have usually moved in the same direction. HIISX charges 1.32%/yr vs 0.10%/yr for FSISX.
Performance
HIISX vs. FSISX - Performance Comparison
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Returns By Period
In the year-to-date period, HIISX achieves a 16.65% return, which is significantly higher than FSISX's 10.59% return.
HIISX
- 1D
- 1.97%
- 1M
- 3.60%
- 6M
- 12.04%
- YTD
- 16.65%
- 1Y
- 21.39%
- 3Y*
- 13.12%
- 5Y*
- 7.06%
- 10Y*
- —
- ALL TIME*
- 9.58%
FSISX
- 1D
- 2.13%
- 1M
- 1.59%
- 6M
- 5.03%
- YTD
- 10.59%
- 1Y
- 20.79%
- 3Y*
- 15.34%
- 5Y*
- 5.71%
- 10Y*
- —
- ALL TIME*
- 5.61%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
HIISX vs. FSISX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
HIISX Harbor International Small Cap Fund | 16.65% | 24.37% | -1.12% | 8.90% | -8.70% | -0.84% |
FSISX Fidelity SAI International Small Cap Index Fund | 10.59% | 32.61% | 1.74% | 13.23% | -21.18% | -0.40% |
Correlation
The correlation between HIISX and FSISX is 0.89, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.89 |
Correlation (3Y) Balances recent behavior with more history. | 0.89 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.91 |
Correlation (All Time) Calculated using the full available price history since May 27, 2021 | 0.91 |
The correlation between HIISX and FSISX has been stable across timeframes, ranging from 0.89 to 0.91 - a consistent structural relationship.
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Return for Risk
HIISX vs. FSISX — Risk / Return Rank
HIISX
FSISX
HIISX vs. FSISX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Harbor International Small Cap Fund (HIISX) and Fidelity SAI International Small Cap Index Fund (FSISX). 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.
| HIISX | FSISX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.07 | ||
| Sortino ratioReturn per unit of downside risk | +0.16 | ||
| Omega ratioGain probability vs. loss probability | 1.28 | 1.27 | +0.01 |
| Calmar ratioReturn relative to maximum drawdown | 1.95 | 1.80 | +0.15 |
| Martin ratioReturn relative to average drawdown | 6.24 | 6.31 | -0.07 |
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Drawdowns
HIISX vs. FSISX - Drawdown Comparison
The maximum HIISX drawdown since its inception was -42.19%, which is greater than FSISX's maximum drawdown of -36.84%. Use the drawdown chart below to compare losses from any high point for HIISX and FSISX.
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Drawdown Indicators
| HIISX | FSISX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -42.19% | -36.84% | -5.35% |
Max Drawdown (1Y)Largest decline over 1 year | -10.93% | -11.73% | +0.80% |
Max Drawdown (3Y)Largest decline over 3 years | -13.19% | -14.32% | +1.13% |
Max Drawdown (5Y)Largest decline over 5 years | -26.11% | -36.84% | +10.73% |
Current DrawdownCurrent decline from peak | 0.00% | -1.03% | +1.03% |
Average DrawdownAverage peak-to-trough decline | -8.71% | -12.80% | +4.09% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.40% | 3.33% | +0.07% |
Volatility
HIISX vs. FSISX - Volatility Comparison
The current volatility for Harbor International Small Cap Fund (HIISX) is 3.75%, while Fidelity SAI International Small Cap Index Fund (FSISX) has a volatility of 4.39%. This indicates that HIISX experiences smaller price fluctuations and is considered to be less risky than FSISX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| HIISX | FSISX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.75% | 4.39% | -0.64% |
Volatility (6M)Calculated over the trailing 6-month period | 10.89% | 11.84% | -0.95% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.70% | 14.24% | -0.54% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.61% | 15.98% | -0.37% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.21% | 15.86% | +0.35% |
HIISX vs. FSISX - Expense Ratio Comparison
HIISX has a 1.32% expense ratio, which is higher than FSISX's 0.10% expense ratio.
Dividends
HIISX vs. FSISX - Dividend Comparison
HIISX's dividend yield for the trailing twelve months is around 7.64%, more than FSISX's 3.34% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
FSISX Fidelity SAI International Small Cap Index Fund | 3.34% | 3.70% | 3.33% | 3.13% | 3.02% | 1.30% | 0.00% | 0.00% | 0.00% | 0.00% |
HIISX Harbor International Small Cap Fund | 7.64% | 8.91% | 4.71% | 1.84% | 2.22% | 6.97% | 0.93% | 2.35% | 3.78% | 0.99% |
Frequently Asked Questions
HIISX and FSISX have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FSISX has higher volatility (4.39%) compared to HIISX (3.75%). In terms of maximum drawdown, HIISX dropped -42.19% vs FSISX's -36.84%.
HIISX currently has the higher Sharpe Ratio (1.56 vs 1.49), 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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