- Issuer
- iShares
- Inception Date
- Mar 25, 2025
- Region
- North America (U.S.)
- Category
- Municipal Bonds
- Leveraged
- 1x (No leverage)
- Index Tracked
- S&P AMT-Free Municipal Series Dec 2031 Index
- Domicile
- United States
- Distribution Policy
- Distributing
- Asset Class
- Bond
Share Price Chart
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Performance
IBMT Performance Chart
iShares iBonds Dec 2031 Term Muni Bond ETF (IBMT) is up 1.4% since the beginning of the year. IBMT is currently trading at $26 per share.
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Returns By Period
iShares iBonds Dec 2031 Term Muni Bond ETF (IBMT) has returned 1.36% so far this year and 5.49% over the past 12 months.
iShares iBonds Dec 2031 Term Muni Bond ETF
- 1D
- 0.12%
- 1M
- 2.00%
- YTD
- 1.36%
- 6M
- 1.58%
- 1Y
- 5.49%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
Benchmark (S&P 500 Index)
- 1D
- 0.00%
- 1M
- -0.71%
- YTD
- 8.39%
- 6M
- 8.57%
- 1Y
- 24.33%
- 3Y*
- 18.94%
- 5Y*
- 12.24%
- 10Y*
- 13.54%
IBMT Monthly Returns History
Based on dividend-adjusted daily data since Mar 26, 2025, IBMT's average daily return is +0.03%, while the average monthly return is +0.53%. At this rate, an investment would double in approximately 10.9 years.
Historically, 88% of months were positive and 13% were negative. The best month was Jun 2025 with a return of +2.6%, while the worst month was Mar 2026 at -2.4%. The longest winning streak lasted 12 consecutive months, and the longest losing streak was 1 months.
On a daily basis, IBMT closed higher 54% of trading days. The best single day was Jun 16, 2025 with a return of +1.5%, while the worst single day was Apr 7, 2025 at -1.8%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.89% | 0.87% | -2.43% | 0.68% | -0.14% | 1.54% | 1.36% | ||||||
| 2025 | 0.33% | 0.03% | 0.51% | 2.63% | 0.26% | 0.99% | 1.27% | 0.43% | 0.27% | 0.34% | 7.26% |
Benchmark Metrics
iShares iBonds Dec 2031 Term Muni Bond ETF has an annualized alpha of 6.41%, beta of 0.03, and R2 of 0.02 versus S&P 500 Index. Calculated based on daily prices since March 26, 2025.
- This ETF captured 17.39% of S&P 500 Index gains and tended to rise during its downturns (downside capture of -5.98%) - a profile typical of hedging or uncorrelated assets.
- Beta of 0.03 may look defensive, but with R2 of 0.02 this ETF is largely uncorrelated with S&P 500 Index - low beta reflects independence, not downside protection. See the Volatility section for a true picture of this ETF's risk.
- R2 of 0.02 means this ETF moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.
- Alpha
- 6.41%
- Beta
- 0.03
- R²
- 0.02
- Upside Capture
- 17.39%
- Downside Capture
- -5.98%
Expense Ratio
IBMT has an expense ratio of 0.18%, which is considered low.
Return for Risk
Risk / Return Rank
IBMT ranks 54 for risk / return — on par with similar ETFs. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for iShares iBonds Dec 2031 Term Muni Bond ETF (IBMT) and compare them to S&P 500 Index.
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.
| IBMT | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.08 | ||
| Sortino ratioReturn per unit of downside risk | +0.35 | ||
| Omega ratioGain probability vs. loss probability | 1.40 | 1.35 | +0.05 |
| Calmar ratioReturn relative to maximum drawdown | 1.81 | 2.66 | -0.84 |
| Martin ratioReturn relative to average drawdown | 5.20 | 11.86 | -6.67 |
Dividends
Dividend History
iShares iBonds Dec 2031 Term Muni Bond ETF provided a 3.48% dividend yield over the last twelve months, with an annual payout of $0.90 per share.
| Period | TTM | 2025 |
|---|---|---|
| Dividend | $0.90 | $0.77 |
Dividend yield | 3.48% | 2.98% |
Monthly Dividends
The table displays the monthly dividend distributions for iShares iBonds Dec 2031 Term Muni Bond ETF. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.05 | $0.05 | $0.05 | $0.05 | $0.33 | $0.54 | ||||||
| 2025 | $0.05 | $0.36 | $0.06 | $0.06 | $0.04 | $0.05 | $0.05 | $0.10 | $0.77 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the iShares iBonds Dec 2031 Term Muni Bond ETF. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the iShares iBonds Dec 2031 Term Muni Bond ETF was 3.18%, occurring on Apr 11, 2025. Recovery took 42 trading sessions.
The current iShares iBonds Dec 2031 Term Muni Bond ETF drawdown is 0.51%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
2025 selloff2025 | -3.18%Apr 2025 | 4d | 2mo 2d | 2mo 6dApr 2025 - Jun 2025 |
2026 pullback2026 | -3.10%Mar 2026 | 27d | — | 3mo 25dFeb 2026 - now |
2025 pullback2025 | -0.96%Sep 2025 | 7d | 17d | 24dSep 2025 - Oct 2025 |
2025 pullback2025 | -0.52%Nov 2025 | 22d | 28d | 1mo 20dOct 2025 - Dec 2025 |
2025 pullback2025 | -0.35%Jul 2025 | 8d | 13d | 21dJul 2025 - Jul 2025 |
Drawdown Indicators
| IBMT | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -3.18% | -56.78% | +53.60% |
Max Drawdown (1Y)Largest decline over 1 year | -3.10% | -9.10% | +6.00% |
Max Drawdown (3Y)Largest decline over 3 years | — | -18.90% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -25.43% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.92% | — |
Current DrawdownCurrent decline from peak | -0.51% | -2.49% | +1.98% |
Average DrawdownAverage peak-to-trough decline | -0.75% | -10.72% | +9.97% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.08% | 2.03% | -0.95% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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