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WFBIX vs. AGG
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between WFBIX and AGG is -0.13. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.


Performance

WFBIX vs. AGG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares U.S. Aggregate Bond Index Fund (WFBIX) and iShares Core U.S. Aggregate Bond ETF (AGG). The values are adjusted to include any dividend payments, if applicable.

75.00%80.00%85.00%90.00%December2025FebruaryMarchAprilMay
82.18%
89.83%
WFBIX
AGG

Key characteristics

Sharpe Ratio

WFBIX:

1.08

AGG:

1.12

Sortino Ratio

WFBIX:

1.60

AGG:

1.64

Omega Ratio

WFBIX:

1.19

AGG:

1.20

Calmar Ratio

WFBIX:

0.46

AGG:

0.49

Martin Ratio

WFBIX:

2.74

AGG:

2.86

Ulcer Index

WFBIX:

2.10%

AGG:

2.10%

Daily Std Dev

WFBIX:

5.35%

AGG:

5.35%

Max Drawdown

WFBIX:

-18.65%

AGG:

-18.43%

Current Drawdown

WFBIX:

-6.97%

AGG:

-6.54%

Returns By Period

In the year-to-date period, WFBIX achieves a 2.30% return, which is significantly lower than AGG's 2.63% return. Both investments have delivered pretty close results over the past 10 years, with WFBIX having a 1.43% annualized return and AGG not far ahead at 1.50%.


WFBIX

YTD

2.30%

1M

-0.11%

6M

2.24%

1Y

5.42%

5Y*

-0.79%

10Y*

1.43%

AGG

YTD

2.63%

1M

0.29%

6M

2.56%

1Y

5.71%

5Y*

-0.71%

10Y*

1.50%

*Annualized

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WFBIX vs. AGG - Expense Ratio Comparison

Both WFBIX and AGG have an expense ratio of 0.05%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.


Risk-Adjusted Performance

WFBIX vs. AGG — Risk-Adjusted Performance Rank

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

WFBIX
The Risk-Adjusted Performance Rank of WFBIX is 7070
Overall Rank
The Sharpe Ratio Rank of WFBIX is 7878
Sharpe Ratio Rank
The Sortino Ratio Rank of WFBIX is 7979
Sortino Ratio Rank
The Omega Ratio Rank of WFBIX is 7474
Omega Ratio Rank
The Calmar Ratio Rank of WFBIX is 5454
Calmar Ratio Rank
The Martin Ratio Rank of WFBIX is 6464
Martin Ratio Rank

AGG
The Risk-Adjusted Performance Rank of AGG is 7575
Overall Rank
The Sharpe Ratio Rank of AGG is 8383
Sharpe Ratio Rank
The Sortino Ratio Rank of AGG is 8383
Sortino Ratio Rank
The Omega Ratio Rank of AGG is 7979
Omega Ratio Rank
The Calmar Ratio Rank of AGG is 5858
Calmar Ratio Rank
The Martin Ratio Rank of AGG is 7171
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

WFBIX vs. AGG - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Aggregate Bond Index Fund (WFBIX) and iShares Core U.S. Aggregate Bond ETF (AGG). 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.


The current WFBIX Sharpe Ratio is 1.08, which is comparable to the AGG Sharpe Ratio of 1.12. The chart below compares the historical Sharpe Ratios of WFBIX and AGG, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio0.000.501.001.50December2025FebruaryMarchAprilMay
1.02
1.07
WFBIX
AGG

Dividends

WFBIX vs. AGG - Dividend Comparison

WFBIX's dividend yield for the trailing twelve months is around 3.37%, less than AGG's 3.81% yield.


TTM20242023202220212020201920182017201620152014
WFBIX
iShares U.S. Aggregate Bond Index Fund
3.37%3.66%3.16%2.60%2.23%2.65%2.88%2.71%2.24%2.25%2.20%2.56%
AGG
iShares Core U.S. Aggregate Bond ETF
3.81%3.74%3.13%2.39%1.77%2.14%2.70%2.96%2.32%2.39%2.45%2.40%

Drawdowns

WFBIX vs. AGG - Drawdown Comparison

The maximum WFBIX drawdown since its inception was -18.65%, roughly equal to the maximum AGG drawdown of -18.43%. Use the drawdown chart below to compare losses from any high point for WFBIX and AGG. For additional features, visit the drawdowns tool.


-10.00%-9.00%-8.00%-7.00%-6.00%December2025FebruaryMarchAprilMay
-6.97%
-6.54%
WFBIX
AGG

Volatility

WFBIX vs. AGG - Volatility Comparison

The current volatility for iShares U.S. Aggregate Bond Index Fund (WFBIX) is 1.64%, while iShares Core U.S. Aggregate Bond ETF (AGG) has a volatility of 1.77%. This indicates that WFBIX experiences smaller price fluctuations and is considered to be less risky than AGG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


1.20%1.40%1.60%1.80%2.00%2.20%December2025FebruaryMarchAprilMay
1.64%
1.77%
WFBIX
AGG