VBTLX vs. SWISX

Last updated Jun 13, 2026

VBTLX (Vanguard Total Bond Market Index Fund Admiral Shares) and SWISX (Schwab International Index Fund) are both mutual funds - VBTLX is a Total Bond Market fund tracking the Bloomberg U.S. Aggregate Float Adjusted Index, while SWISX is a Foreign Large Cap Equities fund tracking the MSCI EAFE Index (Net). Both are passively managed. Over the past 10 years, VBTLX returned 1.54%/yr vs 9.70%/yr for SWISX. At a correlation of -0.11, they often move in opposite directions. VBTLX charges 0.04%/yr vs 0.06%/yr for SWISX.

Performance

VBTLX vs. SWISX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Total Bond Market Index Fund Admiral Shares (VBTLX) and Schwab International Index Fund (SWISX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VBTLX achieves a 0.42% return, which is significantly lower than SWISX's 8.95% return. Over the past 10 years, VBTLX has underperformed SWISX with an annualized return of 1.54%, while SWISX has yielded a comparatively higher 9.70% annualized return.

VBTLX

• 1D: 0.52%
• 1M: 0.55%
• YTD: 0.42%
• 6M: 0.97%
• 1Y: 4.90%
• 3Y*: 4.05%
• 5Y*: 0.05%
• 10Y*: 1.54%

SWISX

• 1D: 3.03%
• 1M: 0.97%
• YTD: 8.95%
• 6M: 10.44%
• 1Y: 21.50%
• 3Y*: 16.43%
• 5Y*: 8.36%
• 10Y*: 9.70%

*Multi-year figures are annualized to reflect compound growth (CAGR)

VBTLX vs. SWISX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VBTLX Vanguard Total Bond Market Index Fund Admiral Shares	0.42%	7.17%	1.26%	5.74%	-13.16%	-1.81%	7.72%	8.73%	-0.25%	3.56%
SWISX Schwab International Index Fund	8.95%	31.59%	3.54%	18.13%	-14.30%	11.25%	8.14%	21.87%	-13.38%	25.32%

Correlation

The correlation between VBTLX and SWISX is 0.40, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.40
Correlation (3Y) Calculated over the trailing 3-year period	0.31
Correlation (5Y) Calculated over the trailing 5-year period	0.22
Correlation (10Y) Calculated over the trailing 10-year period	0.05
Correlation (All Time) Calculated using the full available price history since Nov 12, 2001	-0.11

The correlation between VBTLX and SWISX shifts across timeframes, from -0.11 (all time) to 0.40 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

VBTLX vs. SWISX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

VBTLX

VBTLX Risk / Return Rank: 30
VBTLX Sharpe Ratio Rank: 30
VBTLX Sortino Ratio Rank: 33
VBTLX Omega Ratio Rank: 29
VBTLX Calmar Ratio Rank: 31
VBTLX Martin Ratio Rank: 25

SWISX

SWISX Risk / Return Rank: 35
SWISX Sharpe Ratio Rank: 34
SWISX Sortino Ratio Rank: 34
SWISX Omega Ratio Rank: 34
SWISX Calmar Ratio Rank: 35
SWISX Martin Ratio Rank: 39

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

VBTLX vs. SWISX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Total Bond Market Index Fund Admiral Shares (VBTLX) and Schwab International Index Fund (SWISX). 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.

	VBTLX	SWISX	Difference
Sharpe ratio: Return per unit of total volatility	1.25	1.33	-0.07
Sortino ratio: Return per unit of downside risk	1.89	1.92	-0.03
Omega ratio: Gain probability vs. loss probability	1.22	1.24	-0.02
Calmar ratio: Return relative to maximum drawdown	1.70	1.83	-0.13
Martin ratio: Return relative to average drawdown	4.93	6.82	-1.89

VBTLX vs. SWISX - Sharpe Ratio Comparison

The current VBTLX Sharpe Ratio is 1.25, which is comparable to the SWISX Sharpe Ratio of 1.33. The chart below compares the historical Sharpe Ratios of VBTLX and SWISX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

VBTLX vs. SWISX - Drawdown Comparison

The maximum VBTLX drawdown since its inception was -18.81%, smaller than the maximum SWISX drawdown of -60.65%. Use the drawdown chart below to compare losses from any high point for VBTLX and SWISX.

Drawdown Indicators

	VBTLX	SWISX	Difference
Max Drawdown Largest peak-to-trough decline	-18.81%	-60.65%	+41.84%
Max Drawdown (1Y) Largest decline over 1 year	-2.89%	-11.39%	+8.50%
Max Drawdown (3Y) Largest decline over 3 years	-6.00%	-13.68%	+7.68%
Max Drawdown (5Y) Largest decline over 5 years	-18.14%	-29.42%	+11.28%
Max Drawdown (10Y) Largest decline over 10 years	-18.81%	-33.83%	+15.02%
Current Drawdown Current decline from peak	-2.18%	-1.01%	-1.17%
Average Drawdown Average peak-to-trough decline	-2.67%	-14.80%	+12.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.00%	3.05%	-2.05%

Volatility

VBTLX vs. SWISX - Volatility Comparison

The current volatility for Vanguard Total Bond Market Index Fund Admiral Shares (VBTLX) is 1.33%, while Schwab International Index Fund (SWISX) has a volatility of 5.34%. This indicates that VBTLX experiences smaller price fluctuations and is considered to be less risky than SWISX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VBTLX	SWISX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.33%	5.34%	-4.01%
Volatility (6M) Calculated over the trailing 6-month period	2.85%	13.07%	-10.22%
Volatility (1Y) Calculated over the trailing 1-year period	3.93%	15.74%	-11.81%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.01%	16.39%	-10.38%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.98%	16.90%	-11.92%

VBTLX vs. SWISX - Expense Ratio Comparison

VBTLX has a 0.04% expense ratio, which is lower than SWISX's 0.06% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

VBTLX vs. SWISX - Dividend Comparison

VBTLX's dividend yield for the trailing twelve months is around 3.98%, more than SWISX's 3.26% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SWISX Schwab International Index Fund	3.26%	3.55%	3.29%	3.31%	2.73%	3.34%	1.88%	3.09%	3.15%	2.71%	3.19%	2.71%
VBTLX Vanguard Total Bond Market Index Fund Admiral Shares	3.98%	3.87%	3.69%	3.10%	2.59%	1.96%	2.39%	2.74%	2.57%	2.56%	2.53%	2.82%

Frequently Asked Questions

Can I hold both VBTLX and SWISX in my portfolio?

VBTLX and SWISX have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VBTLX or SWISX?

SWISX has higher volatility (5.34%) compared to VBTLX (1.33%). In terms of maximum drawdown, VBTLX dropped -18.81% vs SWISX's -60.65%.

Which has better risk-adjusted returns?

SWISX currently has the higher Sharpe Ratio (1.33 vs 1.25), 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.