SWSBX vs. VBIRX
SWSBX (Schwab Short-Term Bond Index Fund) and VBIRX (Vanguard Short-Term Bond Index Fund Admiral Shares) are both Short-Term Bond funds - SWSBX tracks the Bloomberg US Government/Credit 1-5 Year Index while VBIRX tracks the Bloomberg U.S. 1-5 Year Government/Credit Float Adjusted Index. Both are passively managed. Over the past 5 years, SWSBX returned 1.21%/yr vs 1.54%/yr for VBIRX. Their correlation of 0.86 means they have usually moved in the same direction. Both charge a 0.06% expense ratio.
Performance
SWSBX vs. VBIRX - Performance Comparison
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Returns By Period
In the year-to-date period, SWSBX achieves a 0.16% return, which is significantly higher than VBIRX's 0.14% return.
SWSBX
- 1D
- 0.11%
- 1M
- -0.42%
- 6M
- 0.02%
- YTD
- 0.16%
- 1Y
- 2.11%
- 3Y*
- 4.01%
- 5Y*
- 1.21%
- 10Y*
- —
- ALL TIME*
- 1.85%
VBIRX
- 1D
- 0.10%
- 1M
- -0.29%
- 6M
- 0.10%
- YTD
- 0.14%
- 1Y
- 2.10%
- 3Y*
- 4.33%
- 5Y*
- 1.54%
- 10Y*
- 1.86%
- ALL TIME*
- 2.58%
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 |
SWSBX vs. VBIRX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SWSBX Schwab Short-Term Bond Index Fund | 0.16% | 6.06% | 3.42% | 3.95% | -5.89% | -1.28% | 4.47% | 4.96% | 1.34% | 0.85% |
VBIRX Vanguard Short-Term Bond Index Fund Admiral Shares | 0.14% | 6.09% | 3.75% | 4.87% | -5.63% | -1.20% | 4.69% | 4.86% | 1.37% | 0.85% |
Correlation
The correlation between SWSBX and VBIRX is 0.88, 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. | 0.88 |
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 Feb 23, 2017 | 0.86 |
The correlation between SWSBX and VBIRX has been stable across timeframes, ranging from 0.86 to 0.91 - a consistent structural relationship.
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Return for Risk
SWSBX vs. VBIRX — Risk / Return Rank
SWSBX
VBIRX
SWSBX vs. VBIRX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Schwab Short-Term Bond Index Fund (SWSBX) and Vanguard Short-Term Bond Index Fund Admiral Shares (VBIRX). 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.
| SWSBX | VBIRX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.01 | ||
| Sortino ratioReturn per unit of downside risk | +0.01 | ||
| Omega ratioGain probability vs. loss probability | 1.20 | 1.18 | +0.01 |
| Calmar ratioReturn relative to maximum drawdown | 1.37 | 1.37 | +0.01 |
| Martin ratioReturn relative to average drawdown | 3.86 | 3.81 | +0.05 |
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Drawdowns
SWSBX vs. VBIRX - Drawdown Comparison
The maximum SWSBX drawdown since its inception was -9.06%, roughly equal to the maximum VBIRX drawdown of -8.69%. Use the drawdown chart below to compare losses from any high point for SWSBX and VBIRX.
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Drawdown Indicators
| SWSBX | VBIRX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -9.06% | -8.69% | -0.37% |
Max Drawdown (1Y)Largest decline over 1 year | -1.54% | -1.54% | 0.00% |
Max Drawdown (3Y)Largest decline over 3 years | -1.79% | -1.55% | -0.24% |
Max Drawdown (5Y)Largest decline over 5 years | -8.88% | -8.47% | -0.41% |
Max Drawdown (10Y)Largest decline over 10 years | — | -8.69% | — |
Current DrawdownCurrent decline from peak | -0.81% | -0.79% | -0.02% |
Average DrawdownAverage peak-to-trough decline | -1.78% | -0.98% | -0.80% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.55% | 0.55% | 0.00% |
Volatility
SWSBX vs. VBIRX - Volatility Comparison
Schwab Short-Term Bond Index Fund (SWSBX) and Vanguard Short-Term Bond Index Fund Admiral Shares (VBIRX) have volatilities of 0.50% and 0.48%, 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
| SWSBX | VBIRX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.50% | 0.48% | +0.02% |
Volatility (6M)Calculated over the trailing 6-month period | 1.67% | 1.65% | +0.02% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.12% | 2.14% | -0.02% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 3.00% | 2.98% | +0.02% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.46% | 2.40% | +0.06% |
SWSBX vs. VBIRX - Expense Ratio Comparison
Both SWSBX and VBIRX have an expense ratio of 0.06%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Dividends
SWSBX vs. VBIRX - Dividend Comparison
SWSBX's dividend yield for the trailing twelve months is around 3.80%, more than VBIRX's 3.69% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SWSBX Schwab Short-Term Bond Index Fund | 3.80% | 4.09% | 3.66% | 2.36% | 1.11% | 0.97% | 1.82% | 2.41% | 2.12% | 1.56% | 0.00% | 0.00% |
VBIRX Vanguard Short-Term Bond Index Fund Admiral Shares | 3.69% | 3.83% | 3.37% | 2.41% | 1.46% | 1.22% | 1.77% | 2.24% | 2.03% | 1.66% | 1.50% | 1.41% |
Frequently Asked Questions
SWSBX and VBIRX 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.
SWSBX has higher volatility (0.50%) compared to VBIRX (0.48%). In terms of maximum drawdown, SWSBX dropped -9.06% vs VBIRX's -8.69%.
SWSBX currently has the higher Sharpe Ratio (1.00 vs 0.99), 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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