FLDR vs. AGG
FLDR (Fidelity Low Duration Bond Factor ETF) and AGG (iShares Core U.S. Aggregate Bond ETF) are both exchange-traded funds - FLDR is a Short-Term Bond fund tracking the Fidelity Low Duration Investment Grade Factor Index, while AGG is a Total Bond Market fund tracking the Bloomberg U.S. Aggregate Bond Index. Both are passively managed. Over the past 5 years, FLDR returned 3.72%/yr vs 0.07%/yr for AGG. A 0.53 correlation means they provide meaningful diversification when combined. FLDR charges 0.15%/yr vs 0.03%/yr for AGG.
Performance
FLDR vs. AGG - Performance Comparison
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Returns By Period
In the year-to-date period, FLDR achieves a 1.70% return, which is significantly higher than AGG's 0.47% return.
FLDR
- 1D
- 0.08%
- 1M
- 0.47%
- YTD
- 1.70%
- 6M
- 1.84%
- 1Y
- 4.64%
- 3Y*
- 5.33%
- 5Y*
- 3.72%
- 10Y*
- —
AGG
- 1D
- 0.08%
- 1M
- 0.61%
- YTD
- 0.47%
- 6M
- 0.55%
- 1Y
- 4.33%
- 3Y*
- 3.96%
- 5Y*
- 0.07%
- 10Y*
- 1.54%
FLDR vs. AGG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
FLDR Fidelity Low Duration Bond Factor ETF | 1.70% | 5.41% | 5.71% | 6.32% | -0.33% | -0.18% | 2.01% | 4.52% | 0.84% |
AGG iShares Core U.S. Aggregate Bond ETF | 0.47% | 7.19% | 1.31% | 5.65% | -13.02% | -1.77% | 7.48% | 8.46% | 2.49% |
Correlation
The correlation between FLDR and AGG is 0.68, 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 | 0.68 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.74 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.64 |
Correlation (All Time) Calculated using the full available price history since Jun 14, 2018 | 0.53 |
The correlation between FLDR and AGG shifts across timeframes, from 0.53 (all time) to 0.74 (3 years), reflecting how their relationship changes across market environments.
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Return for Risk
FLDR vs. AGG — Risk / Return Rank
FLDR
AGG
FLDR vs. AGG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Low Duration Bond Factor ETF (FLDR) 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.
| FLDR | AGG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +4.61 | ||
| Sortino ratioReturn per unit of downside risk | +8.00 | ||
| Omega ratioGain probability vs. loss probability | 2.65 | 1.20 | +1.45 |
| Calmar ratioReturn relative to maximum drawdown | 9.97 | 1.57 | +8.40 |
| Martin ratioReturn relative to average drawdown | 67.93 | 4.54 | +63.40 |
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Drawdowns
FLDR vs. AGG - Drawdown Comparison
The maximum FLDR drawdown since its inception was -12.23%, smaller than the maximum AGG drawdown of -18.43%. Use the drawdown chart below to compare losses from any high point for FLDR and AGG.
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Drawdown Indicators
| FLDR | AGG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -12.23% | -18.43% | +6.20% |
Max Drawdown (1Y)Largest decline over 1 year | -0.47% | -2.76% | +2.29% |
Max Drawdown (3Y)Largest decline over 3 years | -0.76% | -6.11% | +5.35% |
Max Drawdown (5Y)Largest decline over 5 years | -2.33% | -17.82% | +15.49% |
Max Drawdown (10Y)Largest decline over 10 years | — | -18.43% | — |
Current DrawdownCurrent decline from peak | 0.00% | -1.93% | +1.93% |
Average DrawdownAverage peak-to-trough decline | -0.35% | -2.71% | +2.36% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.07% | 0.96% | -0.89% |
Volatility
FLDR vs. AGG - Volatility Comparison
The current volatility for Fidelity Low Duration Bond Factor ETF (FLDR) is 0.19%, while iShares Core U.S. Aggregate Bond ETF (AGG) has a volatility of 1.10%. This indicates that FLDR 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.
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Volatility by Period
| FLDR | AGG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.19% | 1.10% | -0.91% |
Volatility (6M)Calculated over the trailing 6-month period | 0.60% | 2.83% | -2.23% |
Volatility (1Y)Calculated over the trailing 1-year period | 0.81% | 3.81% | -3.00% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 1.21% | 6.10% | -4.89% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.25% | 5.41% | -0.16% |
FLDR vs. AGG - Expense Ratio Comparison
FLDR has a 0.15% 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
FLDR vs. AGG - Dividend Comparison
FLDR's dividend yield for the trailing twelve months is around 4.41%, more than AGG's 3.98% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AGG iShares Core U.S. Aggregate Bond ETF | 3.98% | 3.89% | 3.74% | 3.13% | 2.39% | 1.77% | 2.14% | 2.70% | 2.72% | 2.32% | 2.39% | 2.45% |
FLDR Fidelity Low Duration Bond Factor ETF | 4.41% | 4.66% | 5.50% | 5.28% | 2.09% | 0.51% | 1.22% | 2.69% | 1.38% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
FLDR and AGG have a correlation of 0.68, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AGG has higher volatility (1.10%) compared to FLDR (0.19%). In terms of maximum drawdown, FLDR dropped -12.23% vs AGG's -18.43%.
On 5-year performance, FLDR leads with 3.72% vs 0.07% for AGG. On fees, AGG is cheaper at 0.03% per year. On volatility, FLDR has been the lower-risk option at 0.19%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, FLDR has performed better with a 3.72% return vs 0.07%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
AGG is cheaper with a 0.03% expense ratio, compared with 0.15% for FLDR.
FLDR has the higher dividend yield at 4.41%, compared with 3.98% for AGG.
FLDR is categorized as Short-Term Bond, while AGG is Total Bond Market. FLDR tracks Fidelity Low Duration Investment Grade Factor Index, while AGG tracks Bloomberg U.S. Aggregate Bond Index. They also come from different issuers: Fidelity and iShares. Their fees differ too: 0.15% for FLDR and 0.03% for AGG.
FLDR currently has the higher Sharpe Ratio (5.75 vs 1.14), 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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