FSEC vs. MUB
FSEC (Fidelity Investment Grade Securitized ETF) and MUB (iShares National AMT-Free Muni Bond ETF) are both exchange-traded funds - FSEC is a Intermediate Core Bond fund actively managed by Fidelity, while MUB is a Municipal Bonds fund tracking the S&P National AMT-Free Municipal Bond Index. FSEC is actively managed, while MUB is passively managed. Over the past 5 years, FSEC returned 0.48%/yr vs 0.86%/yr for MUB. A 0.66 correlation means they provide meaningful diversification when combined. FSEC charges 0.36%/yr vs 0.07%/yr for MUB.
Performance
FSEC vs. MUB - Performance Comparison
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Returns By Period
In the year-to-date period, FSEC achieves a 0.70% return, which is significantly lower than MUB's 1.24% return.
FSEC
- 1D
- -0.27%
- 1M
- 0.25%
- YTD
- 0.70%
- 6M
- 0.93%
- 1Y
- 6.85%
- 3Y*
- 4.79%
- 5Y*
- 0.48%
- 10Y*
- —
MUB
- 1D
- -0.08%
- 1M
- 0.56%
- YTD
- 1.24%
- 6M
- 1.74%
- 1Y
- 6.95%
- 3Y*
- 3.43%
- 5Y*
- 0.86%
- 10Y*
- 2.00%
FSEC vs. MUB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
FSEC Fidelity Investment Grade Securitized ETF | 0.70% | 8.33% | 2.40% | 5.22% | -12.62% | -0.49% |
MUB iShares National AMT-Free Muni Bond ETF | 1.24% | 3.78% | 1.26% | 5.56% | -7.34% | 2.20% |
Correlation
The correlation between FSEC and MUB is 0.62, 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 | 0.63 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.70 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.67 |
Correlation (All Time) Calculated using the full available price history since Mar 5, 2021 | 0.66 |
The correlation between FSEC and MUB has been stable across timeframes, ranging from 0.62 to 0.70 - a consistent structural relationship.
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Return for Risk
FSEC vs. MUB — Risk / Return Rank
FSEC
MUB
FSEC vs. MUB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Investment Grade Securitized ETF (FSEC) and iShares National AMT-Free Muni Bond ETF (MUB). 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.
| FSEC | MUB | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.29 | 2.39 | -1.10 |
Sortino ratioReturn per unit of downside risk | 1.96 | 3.49 | -1.54 |
Omega ratioGain probability vs. loss probability | 1.25 | 1.50 | -0.26 |
Calmar ratioReturn relative to maximum drawdown | 2.73 | 2.50 | +0.22 |
Martin ratioReturn relative to average drawdown | 7.77 | 8.85 | -1.08 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| FSEC | MUB | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.29 | 2.39 | -1.10 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.07 | 0.21 | -0.14 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.41 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.06 | 0.58 | -0.52 |
Drawdowns
FSEC vs. MUB - Drawdown Comparison
The maximum FSEC drawdown since its inception was -17.97%, which is greater than MUB's maximum drawdown of -13.68%. Use the drawdown chart below to compare losses from any high point for FSEC and MUB.
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Drawdown Indicators
| FSEC | MUB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -17.97% | -13.68% | -4.29% |
Max Drawdown (1Y)Largest decline over 1 year | -2.52% | -2.79% | +0.27% |
Max Drawdown (3Y)Largest decline over 3 years | -7.32% | -5.34% | -1.98% |
Max Drawdown (5Y)Largest decline over 5 years | -17.97% | -11.88% | -6.09% |
Max Drawdown (10Y)Largest decline over 10 years | — | -13.68% | — |
Current DrawdownCurrent decline from peak | -1.36% | -0.70% | -0.66% |
Average DrawdownAverage peak-to-trough decline | -6.63% | -2.23% | -4.40% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.88% | 0.79% | +0.09% |
Volatility
FSEC vs. MUB - Volatility Comparison
Fidelity Investment Grade Securitized ETF (FSEC) has a higher volatility of 1.50% compared to iShares National AMT-Free Muni Bond ETF (MUB) at 0.97%. This indicates that FSEC's price experiences larger fluctuations and is considered to be riskier than MUB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FSEC | MUB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.50% | 0.97% | +0.53% |
Volatility (6M)Calculated over the trailing 6-month period | 3.11% | 2.22% | +0.89% |
Volatility (1Y)Calculated over the trailing 1-year period | 5.33% | 2.92% | +2.41% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.76% | 4.06% | +2.70% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 6.61% | 4.92% | +1.69% |
FSEC vs. MUB - Expense Ratio Comparison
FSEC has a 0.36% expense ratio, which is higher than MUB's 0.07% expense ratio.
Dividends
FSEC vs. MUB - Dividend Comparison
FSEC's dividend yield for the trailing twelve months is around 4.45%, more than MUB's 3.17% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FSEC Fidelity Investment Grade Securitized ETF | 4.45% | 4.22% | 3.22% | 3.41% | 2.21% | 0.96% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
MUB iShares National AMT-Free Muni Bond ETF | 3.17% | 3.14% | 3.01% | 2.65% | 2.11% | 1.81% | 2.11% | 2.42% | 2.46% | 2.26% | 2.21% | 2.51% |
Frequently Asked Questions
FSEC and MUB have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FSEC has higher volatility (1.50%) compared to MUB (0.97%). In terms of maximum drawdown, FSEC dropped -17.97% vs MUB's -13.68%.
On 5-year performance, MUB leads with 0.86% vs 0.48% for FSEC. On fees, MUB is cheaper at 0.07% per year. On volatility, MUB has been the lower-risk option at 0.97%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, MUB has performed better with a 0.86% return vs 0.48%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
MUB is cheaper with a 0.07% expense ratio, compared with 0.36% for FSEC.
FSEC has the higher dividend yield at 4.45%, compared with 3.17% for MUB.
FSEC is categorized as Intermediate Core Bond, while MUB is Municipal Bonds. They also come from different issuers: Fidelity and iShares. Their fees differ too: 0.36% for FSEC and 0.07% for MUB.
MUB currently has the higher Sharpe Ratio (2.39 vs 1.29), 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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