BTOT vs. AGG
BTOT (iShares Total USD Fixed Income Market ETF) and AGG (iShares Core U.S. Aggregate Bond ETF) are both Total Bond Market funds from iShares - BTOT tracks the Bloomberg US Total Fixed Income Market Index while AGG tracks the Bloomberg U.S. Aggregate Bond Index. Both are passively managed. Their 0.97 correlation means they have historically moved very closely together. BTOT charges 0.09%/yr vs 0.03%/yr for AGG.
Performance
BTOT vs. AGG - Performance Comparison
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Returns By Period
In the year-to-date period, BTOT achieves a 0.32% return, which is significantly higher than AGG's 0.13% return.
BTOT
- 1D
- 0.05%
- 1M
- -0.54%
- 6M
- 0.26%
- YTD
- 0.32%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- —
AGG
- 1D
- 0.05%
- 1M
- -0.62%
- 6M
- 0.05%
- YTD
- 0.13%
- 1Y
- 2.43%
- 3Y*
- 4.23%
- 5Y*
- -0.17%
- 10Y*
- 1.44%
- ALL TIME*
- 3.05%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $928.20M | $842.04M | $823.39M | |
| $42.48K | $52.43K | $76.37K |
BTOT vs. AGG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
BTOT iShares Total USD Fixed Income Market ETF | 0.32% | 0.12% |
AGG iShares Core U.S. Aggregate Bond ETF | 0.13% | 0.11% |
Correlation
The correlation between BTOT and AGG is 0.97 - they have historically moved very closely together. At this level, their price movements offset little of one another.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Dec 11, 2025 | 0.97 |
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Return for Risk
BTOT vs. AGG — Risk / Return Rank
BTOT
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
AGG
BTOT vs. AGG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Total USD Fixed Income Market ETF (BTOT) 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.
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.
| BTOT | AGG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | — | 1.11 | — |
| Calmar ratioReturn relative to maximum drawdown | — | 0.88 | — |
| Martin ratioReturn relative to average drawdown | — | 2.20 | — |
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Drawdowns
BTOT vs. AGG - Drawdown Comparison
The maximum BTOT drawdown since its inception was -2.36%, smaller than the maximum AGG drawdown of -18.43%. Use the drawdown chart below to compare losses from any high point for BTOT and AGG.
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Drawdown Indicators
| BTOT | AGG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -2.36% | -18.43% | +16.07% |
Max Drawdown (1Y)Largest decline over 1 year | — | -2.76% | — |
Max Drawdown (3Y)Largest decline over 3 years | — | -4.98% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -17.73% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -18.43% | — |
Current DrawdownCurrent decline from peak | -1.26% | -2.26% | +1.00% |
Average DrawdownAverage peak-to-trough decline | -0.87% | -2.70% | +1.83% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 1.11% | — |
Volatility
BTOT vs. AGG - Volatility Comparison
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Volatility by Period
| BTOT | AGG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 1.07% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 3.02% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 3.62% | 3.71% | -0.09% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 3.62% | 6.10% | -2.48% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 3.62% | 5.41% | -1.79% |
BTOT vs. AGG - Expense Ratio Comparison
BTOT has a 0.09% expense ratio, which is higher than AGG's 0.03% 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
BTOT vs. AGG - Dividend Comparison
BTOT's dividend yield for the trailing twelve months is around 2.92%, less than AGG's 4.04% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AGG iShares Core U.S. Aggregate Bond ETF | 4.04% | 3.89% | 3.74% | 3.13% | 2.39% | 1.77% | 2.14% | 2.70% | 2.72% | 2.32% | 2.39% | 2.45% |
BTOT iShares Total USD Fixed Income Market ETF | 2.92% | 0.22% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
With a correlation of 0.97, BTOT and AGG move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
On fees, AGG is cheaper at 0.03% per year. The better choice depends on whether you care most about return, fees, risk, or income.
AGG is cheaper with a 0.03% expense ratio, compared with 0.09% for BTOT.
AGG has the higher dividend yield at 4.04%, compared with 2.92% for BTOT.
BTOT tracks Bloomberg US Total Fixed Income Market Index, while AGG tracks Bloomberg U.S. Aggregate Bond Index. Their fees differ too: 0.09% for BTOT and 0.03% for AGG.
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