VSS vs. ISVL
VSS (Vanguard FTSE All-World ex-US Small-Cap ETF) and ISVL (iShares International Developed Small Cap Value Factor ETF) are both exchange-traded funds - VSS is a Foreign Small & Mid Cap Equities fund tracking the FTSE Global Small Cap ex US Index, while ISVL is a Small Cap Value Equities fund tracking the FTSE Developed ex US ex Korea Small Cap Focused Value Index. Both are passively managed. Over the past 5 years, VSS returned 5.76%/yr vs 10.07%/yr for ISVL. Their correlation of 0.94 suggests significant overlap in exposure. VSS charges 0.07%/yr vs 0.30%/yr for ISVL.
Performance
VSS vs. ISVL - Performance Comparison
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Returns By Period
In the year-to-date period, VSS achieves a 10.57% return, which is significantly higher than ISVL's 8.45% return.
VSS
- 1D
- -1.12%
- 1M
- 1.27%
- YTD
- 10.57%
- 6M
- 13.10%
- 1Y
- 27.32%
- 3Y*
- 16.67%
- 5Y*
- 5.76%
- 10Y*
- 8.07%
ISVL
- 1D
- -1.11%
- 1M
- 2.16%
- YTD
- 8.45%
- 6M
- 12.58%
- 1Y
- 28.37%
- 3Y*
- 21.34%
- 5Y*
- 10.07%
- 10Y*
- —
VSS vs. ISVL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
VSS Vanguard FTSE All-World ex-US Small-Cap ETF | 10.57% | 29.61% | 2.94% | 15.52% | -21.48% | 8.43% |
ISVL iShares International Developed Small Cap Value Factor ETF | 8.45% | 42.84% | 4.58% | 17.56% | -13.69% | 7.69% |
Correlation
The correlation between VSS and ISVL is 0.88, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.88 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.92 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.94 |
Correlation (All Time) Calculated using the full available price history since Mar 26, 2021 | 0.94 |
The correlation between VSS and ISVL has been stable across timeframes, ranging from 0.88 to 0.94 - a consistent structural relationship.
VSS vs. ISVL - Sectors Allocation Comparison
Sectors
VSS
ISVL
Industrials
Technology
Basic Materials
Financial Services
Consumer Cyclical
Real Estate
Healthcare
Energy
Consumer Defensive
Utilities
Communication Services
Industrials
VSS
ISVL
Technology
VSS
ISVL
Basic Materials
VSS
ISVL
Financial Services
VSS
ISVL
Consumer Cyclical
VSS
ISVL
Real Estate
VSS
ISVL
Healthcare
VSS
ISVL
Energy
VSS
ISVL
Consumer Defensive
VSS
ISVL
Utilities
VSS
ISVL
Communication Services
VSS
ISVL
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Return for Risk
VSS vs. ISVL — Risk / Return Rank
VSS
ISVL
VSS vs. ISVL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard FTSE All-World ex-US Small-Cap ETF (VSS) and iShares International Developed Small Cap Value Factor ETF (ISVL). 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.
| VSS | ISVL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.12 | ||
| Sortino ratioReturn per unit of downside risk | -0.24 | ||
| Omega ratioGain probability vs. loss probability | 1.34 | 1.36 | -0.02 |
| Calmar ratioReturn relative to maximum drawdown | 2.36 | 2.28 | +0.08 |
| Martin ratioReturn relative to average drawdown | 9.13 | 8.95 | +0.18 |
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
| VSS | ISVL | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.85 | 1.98 | -0.12 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.35 | 0.60 | -0.25 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.47 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.55 | 0.70 | -0.15 |
Drawdowns
VSS vs. ISVL - Drawdown Comparison
The maximum VSS drawdown since its inception was -43.51%, which is greater than ISVL's maximum drawdown of -30.48%. Use the drawdown chart below to compare losses from any high point for VSS and ISVL.
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Drawdown Indicators
| VSS | ISVL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -43.51% | -30.48% | -13.03% |
Max Drawdown (1Y)Largest decline over 1 year | -11.62% | -12.48% | +0.86% |
Max Drawdown (3Y)Largest decline over 3 years | -15.73% | -12.93% | -2.80% |
Max Drawdown (5Y)Largest decline over 5 years | -33.93% | -30.48% | -3.45% |
Max Drawdown (10Y)Largest decline over 10 years | -43.51% | — | — |
Current DrawdownCurrent decline from peak | -2.58% | -2.16% | -0.42% |
Average DrawdownAverage peak-to-trough decline | -9.64% | -6.66% | -2.98% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.00% | 3.18% | -0.18% |
Volatility
VSS vs. ISVL - Volatility Comparison
Vanguard FTSE All-World ex-US Small-Cap ETF (VSS) has a higher volatility of 5.33% compared to iShares International Developed Small Cap Value Factor ETF (ISVL) at 4.54%. This indicates that VSS's price experiences larger fluctuations and is considered to be riskier than ISVL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VSS | ISVL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.33% | 4.54% | +0.79% |
Volatility (6M)Calculated over the trailing 6-month period | 12.64% | 12.01% | +0.63% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.81% | 14.47% | +0.34% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.46% | 16.90% | -0.44% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.27% | 16.78% | +0.49% |
VSS vs. ISVL - Expense Ratio Comparison
VSS has a 0.07% expense ratio, which is lower than ISVL's 0.30% expense ratio.
Dividends
VSS vs. ISVL - Dividend Comparison
VSS's dividend yield for the trailing twelve months is around 3.07%, more than ISVL's 2.48% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ISVL iShares International Developed Small Cap Value Factor ETF | 2.48% | 2.69% | 3.92% | 3.82% | 3.37% | 2.82% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
VSS Vanguard FTSE All-World ex-US Small-Cap ETF | 3.07% | 3.39% | 3.44% | 3.14% | 2.30% | 2.74% | 1.90% | 3.25% | 2.80% | 2.83% | 2.93% | 2.66% |
Frequently Asked Questions
VSS and ISVL have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VSS has higher volatility (5.33%) compared to ISVL (4.54%). In terms of maximum drawdown, VSS dropped -43.51% vs ISVL's -30.48%.
On 5-year performance, ISVL leads with 10.07% vs 5.76% for VSS. On fees, VSS is cheaper at 0.07% per year. On volatility, ISVL has been the lower-risk option at 4.54%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, ISVL has performed better with a 10.07% return vs 5.76%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
VSS is cheaper with a 0.07% expense ratio, compared with 0.30% for ISVL.
VSS has the higher dividend yield at 3.07%, compared with 2.48% for ISVL.
VSS is categorized as Foreign Small & Mid Cap Equities, while ISVL is Small Cap Value Equities. VSS tracks FTSE Global Small Cap ex US Index, while ISVL tracks FTSE Developed ex US ex Korea Small Cap Focused Value Index. They also come from different issuers: Vanguard and iShares. Their fees differ too: 0.07% for VSS and 0.30% for ISVL.
ISVL currently has the higher Sharpe Ratio (1.98 vs 1.85), 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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