FLDB vs. FUAMX
FLDB (Fidelity Low Duration Bond ETF) and FUAMX (Fidelity Intermediate Treasury Bond Index Fund) are both funds - FLDB is a Short-Term Bond fund actively managed by Fidelity, while FUAMX is a Government Bonds fund managed by Fidelity. Over the past year, FLDB returned 4.16% vs 2.81% for FUAMX. At a 0.30 correlation, their price movements are largely independent. FLDB charges 0.20%/yr vs 0.03%/yr for FUAMX.
Performance
FLDB vs. FUAMX - Performance Comparison
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Returns By Period
In the year-to-date period, FLDB achieves a 1.57% return, which is significantly higher than FUAMX's -0.78% return.
FLDB
- 1D
- 0.04%
- 1M
- 0.34%
- YTD
- 1.57%
- 6M
- 1.69%
- 1Y
- 4.16%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
FUAMX
- 1D
- -0.31%
- 1M
- 0.31%
- YTD
- -0.78%
- 6M
- -0.48%
- 1Y
- 2.81%
- 3Y*
- 3.16%
- 5Y*
- -0.55%
- 10Y*
- —
FLDB vs. FUAMX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
FLDB Fidelity Low Duration Bond ETF | 1.57% | 4.93% | 4.11% |
FUAMX Fidelity Intermediate Treasury Bond Index Fund | -0.78% | 8.00% | 2.38% |
Correlation
The correlation between FLDB and FUAMX is 0.37, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.37 |
Correlation (All Time) Calculated using the full available price history since Feb 26, 2024 | 0.30 |
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Return for Risk
FLDB vs. FUAMX — Risk / Return Rank
FLDB
FUAMX
FLDB vs. FUAMX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Low Duration Bond ETF (FLDB) and Fidelity Intermediate Treasury Bond Index Fund (FUAMX). 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.
| FLDB | FUAMX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +3.81 | ||
| Sortino ratioReturn per unit of downside risk | +7.03 | ||
| Omega ratioGain probability vs. loss probability | 2.07 | 1.13 | +0.94 |
| Calmar ratioReturn relative to maximum drawdown | 24.90 | 0.85 | +24.06 |
| Martin ratioReturn relative to average drawdown | 91.30 | 2.26 | +89.04 |
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Drawdowns
FLDB vs. FUAMX - Drawdown Comparison
The maximum FLDB drawdown since its inception was -0.49%, smaller than the maximum FUAMX drawdown of -20.25%. Use the drawdown chart below to compare losses from any high point for FLDB and FUAMX.
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Drawdown Indicators
| FLDB | FUAMX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -0.49% | -20.25% | +19.76% |
Max Drawdown (1Y)Largest decline over 1 year | -0.17% | -3.72% | +3.55% |
Max Drawdown (3Y)Largest decline over 3 years | — | -6.04% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -18.27% | — |
Current DrawdownCurrent decline from peak | -0.03% | -7.18% | +7.15% |
Average DrawdownAverage peak-to-trough decline | -0.05% | -7.32% | +7.27% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.05% | 1.39% | -1.34% |
Volatility
FLDB vs. FUAMX - Volatility Comparison
The current volatility for Fidelity Low Duration Bond ETF (FLDB) is 0.36%, while Fidelity Intermediate Treasury Bond Index Fund (FUAMX) has a volatility of 1.31%. This indicates that FLDB experiences smaller price fluctuations and is considered to be less risky than FUAMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FLDB | FUAMX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.36% | 1.31% | -0.95% |
Volatility (6M)Calculated over the trailing 6-month period | 0.64% | 3.20% | -2.56% |
Volatility (1Y)Calculated over the trailing 1-year period | 0.92% | 4.30% | -3.38% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 1.31% | 6.63% | -5.32% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 1.31% | 5.84% | -4.53% |
FLDB vs. FUAMX - Expense Ratio Comparison
FLDB has a 0.20% expense ratio, which is higher than FUAMX'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
FLDB vs. FUAMX - Dividend Comparison
FLDB's dividend yield for the trailing twelve months is around 4.44%, more than FUAMX's 3.77% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
FLDB Fidelity Low Duration Bond ETF | 4.44% | 4.72% | 3.58% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
FUAMX Fidelity Intermediate Treasury Bond Index Fund | 3.77% | 3.52% | 3.58% | 2.19% | 1.24% | 1.76% | 2.90% | 2.16% | 2.23% | 0.49% |
Frequently Asked Questions
FLDB and FUAMX have a correlation of 0.37, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FUAMX has higher volatility (1.31%) compared to FLDB (0.36%). In terms of maximum drawdown, FLDB dropped -0.49% vs FUAMX's -20.25%.
FLDB currently has the higher Sharpe Ratio (4.54 vs 0.73), 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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