CAM vs. MUB
CAM (AB California Intermediate Municipal ETF) and MUB (iShares National AMT-Free Muni Bond ETF) are both Municipal Bonds funds. CAM is actively managed, while MUB is passively managed. A 0.75 correlation means they provide meaningful diversification when combined. CAM charges 0.27%/yr vs 0.07%/yr for MUB.
Performance
CAM vs. MUB - Performance Comparison
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Returns By Period
The year-to-date returns for both stocks are quite close, with CAM having a 1.29% return and MUB slightly lower at 1.24%.
CAM
- 1D
- 0.00%
- 1M
- 0.60%
- YTD
- 1.29%
- 6M
- 1.75%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 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%
CAM vs. MUB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
CAM AB California Intermediate Municipal ETF | 1.29% | 1.17% |
MUB iShares National AMT-Free Muni Bond ETF | 1.24% | 1.41% |
Correlation
The correlation between CAM and MUB is 0.75, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Oct 7, 2025 | 0.75 |
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Return for Risk
CAM vs. MUB — Risk / Return Rank
CAM
MUB
CAM vs. MUB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for AB California Intermediate Municipal ETF (CAM) 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.
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
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Sharpe Ratios by Period
| CAM | MUB | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | — | 2.39 | — |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.21 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.41 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.80 | 0.58 | +1.22 |
Drawdowns
CAM vs. MUB - Drawdown Comparison
The maximum CAM drawdown since its inception was -2.19%, smaller than the maximum MUB drawdown of -13.68%. Use the drawdown chart below to compare losses from any high point for CAM and MUB.
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Drawdown Indicators
| CAM | MUB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -2.19% | -13.68% | +11.49% |
Max Drawdown (1Y)Largest decline over 1 year | — | -2.79% | — |
Max Drawdown (3Y)Largest decline over 3 years | — | -5.34% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -11.88% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -13.68% | — |
Current DrawdownCurrent decline from peak | -0.58% | -0.70% | +0.12% |
Average DrawdownAverage peak-to-trough decline | -0.51% | -2.23% | +1.72% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 0.79% | — |
Volatility
CAM vs. MUB - Volatility Comparison
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Volatility by Period
| CAM | MUB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 0.97% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 2.22% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 2.12% | 2.92% | -0.80% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.12% | 4.06% | -1.94% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.12% | 4.92% | -2.80% |
CAM vs. MUB - Expense Ratio Comparison
CAM has a 0.27% 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
CAM vs. MUB - Dividend Comparison
CAM's dividend yield for the trailing twelve months is around 2.25%, less than MUB's 3.17% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CAM AB California Intermediate Municipal ETF | 2.25% | 0.87% | 0.00% | 0.00% | 0.00% | 0.00% | 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
CAM and MUB have a correlation of 0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, MUB is cheaper at 0.07% per year. The better choice depends on whether you care most about return, fees, risk, or income.
MUB is cheaper with a 0.07% expense ratio, compared with 0.27% for CAM.
MUB has the higher dividend yield at 3.17%, compared with 2.25% for CAM.
They also come from different issuers: AllianceBernstein and iShares. Their fees differ too: 0.27% for CAM and 0.07% for MUB.
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