SGOV vs. MUB
SGOV (iShares 0-3 Month Treasury Bond ETF) and MUB (iShares National AMT-Free Muni Bond ETF) are both exchange-traded funds - SGOV is a Ultrashort Bond fund tracking the ICE 0-3 Month US Treasury Securities Index, while MUB is a Municipal Bonds fund tracking the S&P National AMT-Free Municipal Bond Index. Both are passively managed. Over the past 5 years, SGOV returned 3.56%/yr vs 0.80%/yr for MUB. At a 0.03 correlation, their price movements are largely independent. SGOV charges 0.09%/yr vs 0.07%/yr for MUB.
Performance
SGOV vs. MUB - Performance Comparison
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Returns By Period
In the year-to-date period, SGOV achieves a 1.61% return, which is significantly higher than MUB's 1.28% return.
SGOV
- 1D
- 0.02%
- 1M
- 0.30%
- YTD
- 1.61%
- 6M
- 1.78%
- 1Y
- 3.95%
- 3Y*
- 4.71%
- 5Y*
- 3.56%
- 10Y*
- —
MUB
- 1D
- -0.01%
- 1M
- 0.65%
- YTD
- 1.28%
- 6M
- 1.80%
- 1Y
- 6.17%
- 3Y*
- 3.35%
- 5Y*
- 0.80%
- 10Y*
- 1.92%
SGOV vs. MUB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
SGOV iShares 0-3 Month Treasury Bond ETF | 1.61% | 4.24% | 5.27% | 5.12% | 1.58% | 0.04% | 0.04% |
MUB iShares National AMT-Free Muni Bond ETF | 1.28% | 3.78% | 1.26% | 5.56% | -7.34% | 1.02% | 3.47% |
Correlation
The correlation between SGOV and MUB is -0.18, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.18 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.02 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.04 |
Correlation (All Time) Calculated using the full available price history since May 28, 2020 | 0.03 |
The correlation between SGOV and MUB shifts across timeframes, from -0.18 (1 year) to 0.04 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
SGOV vs. MUB — Risk / Return Rank
SGOV
MUB
SGOV vs. MUB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares 0-3 Month Treasury Bond ETF (SGOV) 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.
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.
| SGOV | MUB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +18.12 | ||
| Sortino ratioReturn per unit of downside risk | +272.56 | ||
| Omega ratioGain probability vs. loss probability | 195.55 | 1.44 | +194.11 |
| Calmar ratioReturn relative to maximum drawdown | 398.20 | 2.22 | +395.97 |
| Martin ratioReturn relative to average drawdown | 4,461.98 | 7.77 | +4,454.21 |
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Drawdowns
SGOV vs. MUB - Drawdown Comparison
The maximum SGOV drawdown since its inception was -0.03%, smaller than the maximum MUB drawdown of -13.68%. Use the drawdown chart below to compare losses from any high point for SGOV and MUB.
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Drawdown Indicators
| SGOV | MUB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -0.03% | -13.68% | +13.65% |
Max Drawdown (1Y)Largest decline over 1 year | -0.01% | -2.79% | +2.78% |
Max Drawdown (3Y)Largest decline over 3 years | -0.01% | -5.34% | +5.33% |
Max Drawdown (5Y)Largest decline over 5 years | -0.03% | -11.88% | +11.85% |
Max Drawdown (10Y)Largest decline over 10 years | — | -13.68% | — |
Current DrawdownCurrent decline from peak | 0.00% | -0.66% | +0.66% |
Average DrawdownAverage peak-to-trough decline | -0.00% | -2.23% | +2.23% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.00% | 0.80% | -0.80% |
Volatility
SGOV vs. MUB - Volatility Comparison
The current volatility for iShares 0-3 Month Treasury Bond ETF (SGOV) is 0.05%, while iShares National AMT-Free Muni Bond ETF (MUB) has a volatility of 1.01%. This indicates that SGOV experiences smaller price fluctuations and is considered to be less risky 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
| SGOV | MUB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.05% | 1.01% | -0.96% |
Volatility (6M)Calculated over the trailing 6-month period | 0.13% | 2.25% | -2.12% |
Volatility (1Y)Calculated over the trailing 1-year period | 0.20% | 2.90% | -2.70% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 0.24% | 4.06% | -3.82% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 0.24% | 4.92% | -4.68% |
SGOV vs. MUB - Expense Ratio Comparison
SGOV has a 0.09% expense ratio, which is higher than MUB's 0.07% 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
SGOV vs. MUB - Dividend Comparison
SGOV's dividend yield for the trailing twelve months is around 3.85%, more than MUB's 3.17% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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% |
SGOV iShares 0-3 Month Treasury Bond ETF | 3.85% | 4.10% | 5.10% | 4.87% | 1.45% | 0.03% | 0.05% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
SGOV and MUB have a correlation of -0.18, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MUB has higher volatility (1.01%) compared to SGOV (0.05%). In terms of maximum drawdown, SGOV dropped -0.03% vs MUB's -13.68%.
On 5-year performance, SGOV leads with 3.56% vs 0.80% for MUB. On fees, MUB is cheaper at 0.07% per year. On volatility, SGOV has been the lower-risk option at 0.05%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, SGOV has performed better with a 3.56% return vs 0.80%. 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 0.09% for SGOV.
SGOV has the higher dividend yield at 3.85%, compared with 3.17% for MUB.
SGOV is categorized as Ultrashort Bond, while MUB is Municipal Bonds. SGOV tracks ICE 0-3 Month US Treasury Securities Index, while MUB tracks S&P National AMT-Free Municipal Bond Index. Their fees differ too: 0.09% for SGOV and 0.07% for MUB.
SGOV currently has the higher Sharpe Ratio (20.28 vs 2.16), 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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