EAGG vs. FNDSX
EAGG (iShares ESG Aware US Aggregate Bond ETF) and FNDSX (Fidelity Sustainability Bond Index Fund) are both funds - EAGG is a Intermediate Core Bond fund tracking the Bloomberg MSCI U.S. Aggregate ESG Focus Index, while FNDSX is a Total Bond Market fund managed by Fidelity. Over the past 5 years, EAGG returned -0.02%/yr vs -0.14%/yr for FNDSX. Their correlation of 0.93 suggests significant overlap in exposure. Both charge a 0.10% expense ratio.
Performance
EAGG vs. FNDSX - Performance Comparison
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Returns By Period
In the year-to-date period, EAGG achieves a 0.45% return, which is significantly higher than FNDSX's 0.10% return.
EAGG
- 1D
- 0.11%
- 1M
- 0.70%
- YTD
- 0.45%
- 6M
- 0.58%
- 1Y
- 4.33%
- 3Y*
- 3.88%
- 5Y*
- -0.02%
- 10Y*
- —
FNDSX
- 1D
- -0.32%
- 1M
- 0.55%
- YTD
- 0.10%
- 6M
- 0.42%
- 1Y
- 4.12%
- 3Y*
- 3.80%
- 5Y*
- -0.14%
- 10Y*
- —
EAGG vs. FNDSX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
EAGG iShares ESG Aware US Aggregate Bond ETF | 0.45% | 7.18% | 1.12% | 5.58% | -13.63% | -1.30% | 7.40% | 8.68% | 2.19% |
FNDSX Fidelity Sustainability Bond Index Fund | 0.10% | 7.03% | 1.23% | 5.44% | -13.34% | -2.22% | 6.95% | 8.30% | 2.71% |
Correlation
The correlation between EAGG and FNDSX is 0.93, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.93 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.94 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.95 |
Correlation (All Time) Calculated using the full available price history since Oct 23, 2018 | 0.93 |
The correlation between EAGG and FNDSX has been stable across timeframes, ranging from 0.93 to 0.95 - a consistent structural relationship.
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Return for Risk
EAGG vs. FNDSX — Risk / Return Rank
EAGG
FNDSX
EAGG vs. FNDSX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares ESG Aware US Aggregate Bond ETF (EAGG) and Fidelity Sustainability Bond Index Fund (FNDSX). 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.
| EAGG | FNDSX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.05 | ||
| Sortino ratioReturn per unit of downside risk | +0.08 | ||
| Omega ratioGain probability vs. loss probability | 1.20 | 1.20 | +0.01 |
| Calmar ratioReturn relative to maximum drawdown | 1.58 | 1.48 | +0.09 |
| Martin ratioReturn relative to average drawdown | 4.57 | 4.17 | +0.40 |
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Drawdowns
EAGG vs. FNDSX - Drawdown Comparison
The maximum EAGG drawdown since its inception was -18.74%, roughly equal to the maximum FNDSX drawdown of -19.72%. Use the drawdown chart below to compare losses from any high point for EAGG and FNDSX.
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Drawdown Indicators
| EAGG | FNDSX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.74% | -19.72% | +0.98% |
Max Drawdown (1Y)Largest decline over 1 year | -2.75% | -2.94% | +0.19% |
Max Drawdown (3Y)Largest decline over 3 years | -6.20% | -6.11% | -0.09% |
Max Drawdown (5Y)Largest decline over 5 years | -17.98% | -18.30% | +0.32% |
Current DrawdownCurrent decline from peak | -2.61% | -4.06% | +1.45% |
Average DrawdownAverage peak-to-trough decline | -6.02% | -6.48% | +0.46% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.95% | 1.04% | -0.09% |
Volatility
EAGG vs. FNDSX - Volatility Comparison
The current volatility for iShares ESG Aware US Aggregate Bond ETF (EAGG) is 1.05%, while Fidelity Sustainability Bond Index Fund (FNDSX) has a volatility of 1.20%. This indicates that EAGG experiences smaller price fluctuations and is considered to be less risky than FNDSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| EAGG | FNDSX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.05% | 1.20% | -0.15% |
Volatility (6M)Calculated over the trailing 6-month period | 2.75% | 2.89% | -0.14% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.73% | 3.92% | -0.19% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.03% | 6.01% | +0.02% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.49% | 5.30% | +0.19% |
EAGG vs. FNDSX - Expense Ratio Comparison
Both EAGG and FNDSX have an expense ratio of 0.10%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Dividends
EAGG vs. FNDSX - Dividend Comparison
EAGG's dividend yield for the trailing twelve months is around 4.00%, which matches FNDSX's 3.97% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
EAGG iShares ESG Aware US Aggregate Bond ETF | 4.00% | 3.92% | 3.93% | 3.24% | 2.07% | 1.09% | 1.82% | 3.17% | 0.61% |
FNDSX Fidelity Sustainability Bond Index Fund | 3.97% | 3.84% | 3.53% | 2.84% | 1.55% | 1.17% | 1.79% | 3.17% | 1.56% |
Frequently Asked Questions
With a correlation of 0.93, EAGG and FNDSX 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.
FNDSX has higher volatility (1.20%) compared to EAGG (1.05%). In terms of maximum drawdown, EAGG dropped -18.74% vs FNDSX's -19.72%.
EAGG currently has the higher Sharpe Ratio (1.17 vs 1.11), 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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