IWM vs. BNDX
IWM (iShares Russell 2000 ETF) and BNDX (Vanguard Total International Bond ETF) are both exchange-traded funds - IWM is a Small Cap Blend Equities fund tracking the Russell 2000 Index, while BNDX is a Global Bonds fund tracking the Bloomberg Global Aggregate ex-USD Float Adjusted RIC Capped Index (USD Hedged). Both are passively managed. Over the past 10 years, IWM returned 11.27%/yr vs 1.72%/yr for BNDX. At a 0.01 correlation, their price movements are largely independent. IWM charges 0.19%/yr vs 0.07%/yr for BNDX.
Performance
IWM vs. BNDX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, IWM achieves a 19.22% return, which is significantly higher than BNDX's 1.02% return. Over the past 10 years, IWM has outperformed BNDX with an annualized return of 11.27%, while BNDX has yielded a comparatively lower 1.72% annualized return.
IWM
- 1D
- 0.87%
- 1M
- 2.99%
- YTD
- 19.22%
- 6M
- 16.00%
- 1Y
- 41.75%
- 3Y*
- 17.23%
- 5Y*
- 6.07%
- 10Y*
- 11.27%
BNDX
- 1D
- 0.17%
- 1M
- 0.85%
- YTD
- 1.02%
- 6M
- 1.22%
- 1Y
- 2.27%
- 3Y*
- 4.32%
- 5Y*
- 0.32%
- 10Y*
- 1.72%
IWM vs. BNDX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IWM iShares Russell 2000 ETF | 19.22% | 12.66% | 11.38% | 16.83% | -20.48% | 14.54% | 20.03% | 25.39% | -11.12% | 14.58% |
BNDX Vanguard Total International Bond ETF | 1.02% | 2.86% | 3.57% | 8.77% | -12.76% | -2.29% | 4.65% | 7.87% | 2.81% | 2.40% |
Correlation
The correlation between IWM and BNDX is 0.35, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.35 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.26 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.17 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.05 |
Correlation (All Time) Calculated using the full available price history since Jun 4, 2013 | 0.01 |
Over the past year, IWM and BNDX have become more correlated (0.35) than their long-term average of 0.01, meaning their price movements have been converging.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
IWM vs. BNDX — Risk / Return Rank
IWM
BNDX
IWM vs. BNDX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Russell 2000 ETF (IWM) and Vanguard Total International Bond ETF (BNDX). 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.
| IWM | BNDX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.43 | ||
| Sortino ratioReturn per unit of downside risk | +1.93 | ||
| Omega ratioGain probability vs. loss probability | 1.33 | 1.10 | +0.23 |
| Calmar ratioReturn relative to maximum drawdown | 3.57 | 0.66 | +2.91 |
| Martin ratioReturn relative to average drawdown | 12.63 | 1.84 | +10.78 |
Loading charts...
Drawdowns
IWM vs. BNDX - Drawdown Comparison
The maximum IWM drawdown since its inception was -59.05%, which is greater than BNDX's maximum drawdown of -16.23%. Use the drawdown chart below to compare losses from any high point for IWM and BNDX.
Loading charts...
Drawdown Indicators
| IWM | BNDX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -59.05% | -16.23% | -42.82% |
Max Drawdown (1Y)Largest decline over 1 year | -11.03% | -2.93% | -8.10% |
Max Drawdown (3Y)Largest decline over 3 years | -27.50% | -2.93% | -24.57% |
Max Drawdown (5Y)Largest decline over 5 years | -31.91% | -15.86% | -16.05% |
Max Drawdown (10Y)Largest decline over 10 years | -41.13% | -16.23% | -24.90% |
Current DrawdownCurrent decline from peak | 0.00% | -1.02% | +1.02% |
Average DrawdownAverage peak-to-trough decline | -10.76% | -3.10% | -7.66% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.12% | 1.05% | +2.07% |
Volatility
IWM vs. BNDX - Volatility Comparison
iShares Russell 2000 ETF (IWM) has a higher volatility of 7.16% compared to Vanguard Total International Bond ETF (BNDX) at 1.49%. This indicates that IWM's price experiences larger fluctuations and is considered to be riskier than BNDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| IWM | BNDX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.16% | 1.49% | +5.67% |
Volatility (6M)Calculated over the trailing 6-month period | 14.29% | 2.96% | +11.33% |
Volatility (1Y)Calculated over the trailing 1-year period | 19.73% | 3.47% | +16.26% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.61% | 4.89% | +17.72% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.08% | 4.10% | +18.98% |
IWM vs. BNDX - Expense Ratio Comparison
IWM has a 0.19% expense ratio, which is higher than BNDX's 0.07% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
IWM vs. BNDX - Dividend Comparison
IWM's dividend yield for the trailing twelve months is around 0.87%, less than BNDX's 4.47% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BNDX Vanguard Total International Bond ETF | 4.47% | 4.39% | 4.18% | 4.42% | 1.51% | 3.74% | 1.11% | 3.40% | 3.01% | 2.23% | 1.89% | 1.63% |
IWM iShares Russell 2000 ETF | 0.87% | 1.04% | 1.15% | 1.35% | 1.48% | 0.94% | 1.04% | 1.26% | 1.40% | 1.26% | 1.38% | 1.54% |
Frequently Asked Questions
IWM and BNDX have a correlation of 0.35, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IWM has higher volatility (7.16%) compared to BNDX (1.49%). In terms of maximum drawdown, IWM dropped -59.05% vs BNDX's -16.23%.
On 10-year performance, IWM leads with 11.27% vs 1.72% for BNDX. On fees, BNDX is cheaper at 0.07% per year. On volatility, BNDX has been the lower-risk option at 1.49%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, IWM has performed better with a 11.27% return vs 1.72%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
BNDX is cheaper with a 0.07% expense ratio, compared with 0.19% for IWM.
BNDX has the higher dividend yield at 4.47%, compared with 0.87% for IWM.
IWM is categorized as Small Cap Blend Equities, while BNDX is Global Bonds. IWM tracks Russell 2000 Index, while BNDX tracks Bloomberg Global Aggregate ex-USD Float Adjusted RIC Capped Index (USD Hedged). They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.19% for IWM and 0.07% for BNDX.
IWM currently has the higher Sharpe Ratio (1.99 vs 0.56), 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.
Find the right allocation for IWM and BNDX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer