IBMO vs. FLMB
IBMO (iShares iBonds Dec 2026 Term Muni Bond ETF) and FLMB (Franklin Liberty Federal Tax-Free Bond ETF) are both Municipal Bonds funds. IBMO is passively managed, while FLMB is actively managed. Over the past 5 years, IBMO returned 0.67%/yr vs 0.67%/yr for FLMB. A 0.54 correlation means they provide meaningful diversification when combined. IBMO charges 0.18%/yr vs 0.30%/yr for FLMB.
Performance
IBMO vs. FLMB - Performance Comparison
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Returns By Period
In the year-to-date period, IBMO achieves a 0.95% return, which is significantly lower than FLMB's 2.04% return.
IBMO
- 1D
- 0.01%
- 1M
- 0.17%
- YTD
- 0.95%
- 6M
- 1.30%
- 1Y
- 2.78%
- 3Y*
- 2.93%
- 5Y*
- 0.67%
- 10Y*
- —
FLMB
- 1D
- 0.15%
- 1M
- 0.84%
- YTD
- 2.04%
- 6M
- 2.49%
- 1Y
- 8.52%
- 3Y*
- 4.31%
- 5Y*
- 0.67%
- 10Y*
- —
IBMO vs. FLMB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
IBMO iShares iBonds Dec 2026 Term Muni Bond ETF | 0.95% | 3.11% | 1.97% | 2.90% | -5.36% | -0.16% | 5.48% | 4.69% |
FLMB Franklin Liberty Federal Tax-Free Bond ETF | 2.04% | 3.93% | 2.47% | 7.72% | -12.16% | 0.80% | 7.39% | 5.51% |
Correlation
The correlation between IBMO and FLMB is 0.16, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.16 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.38 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.52 |
Correlation (All Time) Calculated using the full available price history since Apr 5, 2019 | 0.54 |
Over the past year, the correlation between IBMO and FLMB has dropped to 0.16 - well below their long-term average of 0.54, suggesting their price drivers have been diverging.
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Return for Risk
IBMO vs. FLMB — Risk / Return Rank
IBMO
FLMB
IBMO vs. FLMB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2026 Term Muni Bond ETF (IBMO) and Franklin Liberty Federal Tax-Free Bond ETF (FLMB). 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.
| IBMO | FLMB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.22 | ||
| Sortino ratioReturn per unit of downside risk | +0.56 | ||
| Omega ratioGain probability vs. loss probability | 1.53 | 1.48 | +0.04 |
| Calmar ratioReturn relative to maximum drawdown | 7.38 | 2.63 | +4.75 |
| Martin ratioReturn relative to average drawdown | 21.93 | 9.32 | +12.61 |
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
| IBMO | FLMB | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.54 | 2.32 | +0.22 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.31 | 0.13 | +0.18 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.41 | 0.42 | -0.01 |
Drawdowns
IBMO vs. FLMB - Drawdown Comparison
The maximum IBMO drawdown since its inception was -14.77%, smaller than the maximum FLMB drawdown of -17.90%. Use the drawdown chart below to compare losses from any high point for IBMO and FLMB.
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Drawdown Indicators
| IBMO | FLMB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.77% | -17.90% | +3.13% |
Max Drawdown (1Y)Largest decline over 1 year | -0.38% | -3.25% | +2.87% |
Max Drawdown (3Y)Largest decline over 3 years | -1.76% | -7.33% | +5.57% |
Max Drawdown (5Y)Largest decline over 5 years | -8.86% | -17.90% | +9.04% |
Current DrawdownCurrent decline from peak | 0.00% | -0.31% | +0.31% |
Average DrawdownAverage peak-to-trough decline | -2.32% | -4.17% | +1.85% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.13% | 0.92% | -0.79% |
Volatility
IBMO vs. FLMB - Volatility Comparison
The current volatility for iShares iBonds Dec 2026 Term Muni Bond ETF (IBMO) is 0.19%, while Franklin Liberty Federal Tax-Free Bond ETF (FLMB) has a volatility of 1.12%. This indicates that IBMO experiences smaller price fluctuations and is considered to be less risky than FLMB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBMO | FLMB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.19% | 1.12% | -0.93% |
Volatility (6M)Calculated over the trailing 6-month period | 0.83% | 2.47% | -1.64% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.10% | 3.70% | -2.60% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.15% | 5.11% | -2.96% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.52% | 5.58% | -1.06% |
IBMO vs. FLMB - Expense Ratio Comparison
IBMO has a 0.18% expense ratio, which is lower than FLMB's 0.30% expense ratio.
Dividends
IBMO vs. FLMB - Dividend Comparison
IBMO's dividend yield for the trailing twelve months is around 2.39%, less than FLMB's 3.74% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
FLMB Franklin Liberty Federal Tax-Free Bond ETF | 3.74% | 3.86% | 3.79% | 3.49% | 2.80% | 1.66% | 2.07% | 2.40% | 2.68% | 0.54% |
IBMO iShares iBonds Dec 2026 Term Muni Bond ETF | 2.39% | 2.37% | 2.15% | 1.65% | 0.89% | 0.62% | 1.03% | 1.01% | 0.00% | 0.00% |
Frequently Asked Questions
IBMO and FLMB have a correlation of 0.16, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FLMB has higher volatility (1.12%) compared to IBMO (0.19%). In terms of maximum drawdown, IBMO dropped -14.77% vs FLMB's -17.90%.
On 5-year performance, FLMB leads with 0.67% vs 0.67% for IBMO. On fees, IBMO is cheaper at 0.18% per year. On volatility, IBMO 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, FLMB has performed better with a 0.67% return vs 0.67%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBMO is cheaper with a 0.18% expense ratio, compared with 0.30% for FLMB.
FLMB has the higher dividend yield at 3.74%, compared with 2.39% for IBMO.
They also come from different issuers: iShares and Franklin Templeton. Their fees differ too: 0.18% for IBMO and 0.30% for FLMB.
IBMO currently has the higher Sharpe Ratio (2.54 vs 2.32), 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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