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BNDX vs. FBIIX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

Performance

BNDX vs. FBIIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Total International Bond ETF (BNDX) and Fidelity International Bond Index Fund (FBIIX). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, BNDX achieves a 1.04% return, which is significantly lower than FBIIX's 1.38% return.


BNDX

1D
-0.17%
1M
0.67%
YTD
1.04%
6M
1.23%
1Y
2.08%
3Y*
4.14%
5Y*
0.42%
10Y*
1.72%

FBIIX

1D
0.22%
1M
1.10%
YTD
1.38%
6M
1.82%
1Y
2.45%
3Y*
4.39%
5Y*
0.83%
10Y*
*Multi-year figures are annualized to reflect compound growth (CAGR)

BNDX vs. FBIIX - Yearly Performance Comparison


2026 (YTD)2025202420232022202120202019
BNDX
Vanguard Total International Bond ETF
1.04%2.86%3.57%8.77%-12.76%-2.29%4.65%-1.32%
FBIIX
Fidelity International Bond Index Fund
1.38%2.66%4.64%7.48%-10.84%-1.84%4.43%-1.13%

Correlation

The correlation between BNDX and FBIIX is 0.79, 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

0.79

Correlation (3Y)
Calculated over the trailing 3-year period

0.82

Correlation (5Y)
Calculated over the trailing 5-year period

0.85

Correlation (All Time)
Calculated using the full available price history since Oct 10, 2019

0.84

The correlation between BNDX and FBIIX has been stable across timeframes, ranging from 0.79 to 0.85 - a consistent structural relationship.

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Return for Risk

BNDX vs. FBIIX — Risk / Return Rank

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

BNDX
BNDX Risk / Return Rank: 1717
Overall Rank
BNDX Sharpe Ratio Rank: 1818
Sharpe Ratio Rank
BNDX Sortino Ratio Rank: 1616
Sortino Ratio Rank
BNDX Omega Ratio Rank: 1616
Omega Ratio Rank
BNDX Calmar Ratio Rank: 1717
Calmar Ratio Rank
BNDX Martin Ratio Rank: 1818
Martin Ratio Rank

FBIIX
FBIIX Risk / Return Rank: 1010
Overall Rank
FBIIX Sharpe Ratio Rank: 1111
Sharpe Ratio Rank
FBIIX Sortino Ratio Rank: 1010
Sortino Ratio Rank
FBIIX Omega Ratio Rank: 1111
Omega Ratio Rank
FBIIX Calmar Ratio Rank: 1010
Calmar Ratio Rank
FBIIX Martin Ratio Rank: 99
Martin Ratio Rank
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.

BNDX vs. FBIIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Total International Bond ETF (BNDX) and Fidelity International Bond Index Fund (FBIIX). 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.


BNDXFBIIXDifference
Sharpe ratioReturn per unit of total volatility

-0.21

Sortino ratioReturn per unit of downside risk

-0.30

Omega ratioGain probability vs. loss probability

1.11

1.16

-0.05

Calmar ratioReturn relative to maximum drawdown

0.71

0.88

-0.17

Martin ratioReturn relative to average drawdown

1.97

2.40

-0.43

BNDX vs. FBIIX - Sharpe Ratio Comparison

The current BNDX Sharpe Ratio is 0.61, which is comparable to the FBIIX Sharpe Ratio of 0.81. The chart below compares the historical Sharpe Ratios of BNDX and FBIIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.


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Drawdowns

BNDX vs. FBIIX - Drawdown Comparison

The maximum BNDX drawdown since its inception was -16.23%, which is greater than FBIIX's maximum drawdown of -13.79%. Use the drawdown chart below to compare losses from any high point for BNDX and FBIIX.


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Drawdown Indicators


BNDXFBIIXDifference

Max Drawdown

Largest peak-to-trough decline

-16.23%

-13.79%

-2.44%

Max Drawdown (1Y)

Largest decline over 1 year

-2.93%

-2.78%

-0.15%

Max Drawdown (3Y)

Largest decline over 3 years

-2.93%

-2.78%

-0.15%

Max Drawdown (5Y)

Largest decline over 5 years

-15.86%

-13.74%

-2.12%

Max Drawdown (10Y)

Largest decline over 10 years

-16.23%

Current Drawdown

Current decline from peak

-1.00%

-0.58%

-0.42%

Average Drawdown

Average peak-to-trough decline

-3.10%

-4.10%

+1.00%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.06%

1.02%

+0.04%

Volatility

BNDX vs. FBIIX - Volatility Comparison

Vanguard Total International Bond ETF (BNDX) and Fidelity International Bond Index Fund (FBIIX) have volatilities of 0.96% and 0.93%, 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


BNDXFBIIXDifference

Volatility (1M)

Calculated over the trailing 1-month period

0.96%

0.93%

+0.03%

Volatility (6M)

Calculated over the trailing 6-month period

2.97%

2.66%

+0.31%

Volatility (1Y)

Calculated over the trailing 1-year period

3.46%

3.03%

+0.43%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

4.89%

3.59%

+1.30%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

4.10%

3.42%

+0.68%

BNDX vs. FBIIX - Expense Ratio Comparison

BNDX has a 0.07% expense ratio, which is higher than FBIIX's 0.06% 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

BNDX vs. FBIIX - Dividend Comparison

BNDX's dividend yield for the trailing twelve months is around 4.47%, more than FBIIX's 4.15% yield.


PositionTTM20252024202320222021202020192018201720162015
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%
FBIIX
Fidelity International Bond Index Fund
4.15%4.09%3.44%2.85%1.02%0.62%0.74%0.17%0.00%0.00%0.00%0.00%

Frequently Asked Questions


BNDX and FBIIX have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

BNDX has higher volatility (0.96%) compared to FBIIX (0.93%). In terms of maximum drawdown, BNDX dropped -16.23% vs FBIIX's -13.79%.

FBIIX currently has the higher Sharpe Ratio (0.81 vs 0.61), 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.

Portfolio Optimizer

Find the right allocation for BNDX and FBIIX

Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

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