SWAGX vs. IGOV
SWAGX (Schwab U.S. Aggregate Bond Index Fund) and IGOV (iShares International Treasury Bond ETF) are both funds - SWAGX is a Total Bond Market fund tracking the Bloomberg US Aggregate Bond Index, while IGOV is a International Government Bonds fund tracking the FTSE World Government Bond Index - Developed Markets Capped Select Index. Both are passively managed. Over the past 5 years, SWAGX returned -0.32%/yr vs -4.59%/yr for IGOV. A 0.58 correlation means they provide meaningful diversification when combined. SWAGX charges 0.04%/yr vs 0.35%/yr for IGOV.
Performance
SWAGX vs. IGOV - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, SWAGX achieves a 0.06% return, which is significantly higher than IGOV's -2.59% return.
SWAGX
- 1D
- 0.00%
- 1M
- -0.21%
- 6M
- -0.05%
- YTD
- 0.06%
- 1Y
- 3.98%
- 3Y*
- 4.27%
- 5Y*
- -0.32%
- 10Y*
- —
IGOV
- 1D
- -0.64%
- 1M
- -2.21%
- 6M
- -2.66%
- YTD
- -2.59%
- 1Y
- -2.78%
- 3Y*
- 0.77%
- 5Y*
- -4.59%
- 10Y*
- -1.56%
SWAGX vs. IGOV - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SWAGX Schwab U.S. Aggregate Bond Index Fund | 0.06% | 7.11% | 1.38% | 5.46% | -13.62% | -2.29% | 7.39% | 8.64% | -0.11% | 2.62% |
IGOV iShares International Treasury Bond ETF | -2.59% | 9.96% | -6.50% | 5.57% | -22.07% | -9.25% | 10.88% | 3.76% | -2.60% | 10.74% |
Correlation
The correlation between SWAGX and IGOV is 0.64, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.64 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.64 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.67 |
Correlation (All Time) Calculated using the full available price history since Feb 23, 2017 | 0.58 |
The correlation between SWAGX and IGOV has been stable across timeframes, ranging from 0.58 to 0.67 - a consistent structural relationship.
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
SWAGX vs. IGOV — Risk / Return Rank
SWAGX
IGOV
SWAGX vs. IGOV - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Schwab U.S. Aggregate Bond Index Fund (SWAGX) and iShares International Treasury Bond ETF (IGOV). 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.
| SWAGX | IGOV | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.28 | ||
| Sortino ratioReturn per unit of downside risk | +1.84 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 0.95 | +0.21 |
| Calmar ratioReturn relative to maximum drawdown | 1.19 | -0.49 | +1.68 |
| Martin ratioReturn relative to average drawdown | 3.30 | -1.06 | +4.36 |
Loading charts...
Drawdowns
SWAGX vs. IGOV - Drawdown Comparison
The maximum SWAGX drawdown since its inception was -19.68%, smaller than the maximum IGOV drawdown of -35.88%. Use the drawdown chart below to compare losses from any high point for SWAGX and IGOV.
Loading charts...
Drawdown Indicators
| SWAGX | IGOV | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -19.68% | -35.88% | +16.20% |
Max Drawdown (1Y)Largest decline over 1 year | -3.05% | -5.70% | +2.65% |
Max Drawdown (3Y)Largest decline over 3 years | -6.14% | -10.65% | +4.51% |
Max Drawdown (5Y)Largest decline over 5 years | -18.76% | -32.92% | +14.16% |
Max Drawdown (10Y)Largest decline over 10 years | — | -35.88% | — |
Current DrawdownCurrent decline from peak | -3.69% | -25.60% | +21.91% |
Average DrawdownAverage peak-to-trough decline | -5.65% | -11.09% | +5.44% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.10% | 2.63% | -1.53% |
Volatility
SWAGX vs. IGOV - Volatility Comparison
The current volatility for Schwab U.S. Aggregate Bond Index Fund (SWAGX) is 1.07%, while iShares International Treasury Bond ETF (IGOV) has a volatility of 1.96%. This indicates that SWAGX experiences smaller price fluctuations and is considered to be less risky than IGOV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| SWAGX | IGOV | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.07% | 1.96% | -0.89% |
Volatility (6M)Calculated over the trailing 6-month period | 3.01% | 6.37% | -3.36% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.92% | 8.07% | -4.15% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.09% | 9.97% | -3.88% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.10% | 8.60% | -3.50% |
SWAGX vs. IGOV - Expense Ratio Comparison
SWAGX has a 0.04% expense ratio, which is lower than IGOV's 0.35% expense ratio.
Dividends
SWAGX vs. IGOV - Dividend Comparison
SWAGX's dividend yield for the trailing twelve months is around 4.19%, more than IGOV's 1.45% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IGOV iShares International Treasury Bond ETF | 1.45% | 1.41% | 0.59% | 0.00% | 0.11% | 0.39% | 0.00% | 0.24% | 0.31% | 0.19% | 0.69% | 0.12% |
SWAGX Schwab U.S. Aggregate Bond Index Fund | 4.19% | 4.02% | 3.88% | 3.22% | 1.93% | 1.56% | 2.47% | 2.87% | 2.80% | 1.98% | 0.00% | 0.00% |
Frequently Asked Questions
SWAGX and IGOV have a correlation of 0.64, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IGOV has higher volatility (1.96%) compared to SWAGX (1.07%). In terms of maximum drawdown, SWAGX dropped -19.68% vs IGOV's -35.88%.
SWAGX currently has the higher Sharpe Ratio (0.93 vs -0.35), 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 SWAGX and IGOV
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