MASKX vs. ACWI
MASKX (iShares Russell 2000 Small-Cap Index Fund) and ACWI (iShares MSCI ACWI ETF) are both funds - MASKX is a Small Cap Blend Equities fund managed by BlackRock, while ACWI is a Global Equities fund tracking the MSCI All Country World Index. Over the past 10 years, MASKX returned 10.88%/yr vs 12.50%/yr for ACWI. Their correlation of 0.82 suggests significant overlap in exposure. MASKX charges 0.12%/yr vs 0.32%/yr for ACWI.
Performance
MASKX vs. ACWI - Performance Comparison
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Returns By Period
In the year-to-date period, MASKX achieves a 20.53% return, which is significantly higher than ACWI's 11.23% return. Over the past 10 years, MASKX has underperformed ACWI with an annualized return of 10.88%, while ACWI has yielded a comparatively higher 12.50% annualized return.
MASKX
- 1D
- 0.41%
- 1M
- 1.26%
- 6M
- 11.82%
- YTD
- 20.53%
- 1Y
- 35.14%
- 3Y*
- 17.00%
- 5Y*
- 7.98%
- 10Y*
- 10.88%
ACWI
- 1D
- -0.74%
- 1M
- -0.62%
- 6M
- 8.53%
- YTD
- 11.23%
- 1Y
- 22.75%
- 3Y*
- 18.82%
- 5Y*
- 11.06%
- 10Y*
- 12.50%
MASKX vs. ACWI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MASKX iShares Russell 2000 Small-Cap Index Fund | 20.53% | 12.76% | 11.35% | 16.99% | -20.39% | 14.54% | 19.99% | 25.54% | -11.03% | 14.61% |
ACWI iShares MSCI ACWI ETF | 11.23% | 22.41% | 17.45% | 22.27% | -18.39% | 18.66% | 16.34% | 26.59% | -9.19% | 24.33% |
Correlation
The correlation between MASKX and ACWI is 0.80, 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 | 0.80 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.80 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.84 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.81 |
Correlation (All Time) Calculated using the full available price history since Mar 28, 2008 | 0.82 |
The correlation between MASKX and ACWI has been stable across timeframes, ranging from 0.80 to 0.84 - a consistent structural relationship.
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Return for Risk
MASKX vs. ACWI — Risk / Return Rank
MASKX
ACWI
MASKX vs. ACWI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Russell 2000 Small-Cap Index Fund (MASKX) and iShares MSCI ACWI ETF (ACWI). 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.
| MASKX | ACWI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.23 | ||
| Sortino ratioReturn per unit of downside risk | +0.35 | ||
| Omega ratioGain probability vs. loss probability | 1.32 | 1.30 | +0.02 |
| Calmar ratioReturn relative to maximum drawdown | 3.33 | 2.35 | +0.98 |
| Martin ratioReturn relative to average drawdown | 11.77 | 10.02 | +1.74 |
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Drawdowns
MASKX vs. ACWI - Drawdown Comparison
The maximum MASKX drawdown since its inception was -59.06%, which is greater than ACWI's maximum drawdown of -56.00%. Use the drawdown chart below to compare losses from any high point for MASKX and ACWI.
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Drawdown Indicators
| MASKX | ACWI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -59.06% | -56.00% | -3.06% |
Max Drawdown (1Y)Largest decline over 1 year | -11.01% | -9.73% | -1.28% |
Max Drawdown (3Y)Largest decline over 3 years | -27.53% | -16.55% | -10.98% |
Max Drawdown (5Y)Largest decline over 5 years | -31.98% | -26.42% | -5.56% |
Max Drawdown (10Y)Largest decline over 10 years | -41.68% | -33.53% | -8.15% |
Current DrawdownCurrent decline from peak | -1.56% | -1.62% | +0.06% |
Average DrawdownAverage peak-to-trough decline | -11.59% | -8.57% | -3.02% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.11% | 2.27% | +0.84% |
Volatility
MASKX vs. ACWI - Volatility Comparison
iShares Russell 2000 Small-Cap Index Fund (MASKX) and iShares MSCI ACWI ETF (ACWI) have volatilities of 3.74% and 3.85%, 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
| MASKX | ACWI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.74% | 3.85% | -0.11% |
Volatility (6M)Calculated over the trailing 6-month period | 14.18% | 11.53% | +2.65% |
Volatility (1Y)Calculated over the trailing 1-year period | 19.46% | 13.72% | +5.74% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.19% | 16.21% | +6.98% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.66% | 17.04% | +6.62% |
MASKX vs. ACWI - Expense Ratio Comparison
MASKX has a 0.12% expense ratio, which is lower than ACWI's 0.32% expense ratio.
Dividends
MASKX vs. ACWI - Dividend Comparison
MASKX's dividend yield for the trailing twelve months is around 2.60%, more than ACWI's 1.44% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ACWI iShares MSCI ACWI ETF | 1.44% | 1.55% | 1.70% | 1.88% | 1.79% | 1.71% | 1.43% | 2.33% | 2.18% | 1.94% | 2.19% | 2.56% |
MASKX iShares Russell 2000 Small-Cap Index Fund | 2.60% | 3.13% | 4.81% | 2.92% | 1.70% | 7.64% | 1.42% | 3.43% | 4.26% | 3.15% | 4.60% | 3.63% |
Frequently Asked Questions
MASKX and ACWI have a correlation of 0.80, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ACWI has higher volatility (3.85%) compared to MASKX (3.74%). In terms of maximum drawdown, MASKX dropped -59.06% vs ACWI's -56.00%.
MASKX currently has the higher Sharpe Ratio (1.89 vs 1.67), 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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