- ISIN
- US0186421089
- CUSIP
- 018642108
- Issuer
- AllianceBernstein
- Inception Date
- Dec 28, 1986
- Category
- Municipal Bonds
- Min. Investment
- $2,500
- Distribution Policy
- Distributing
- Asset Class
- Bond
Share Price Chart
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Performance
ALTHX Performance Chart
AB Municipal Income Fund National Portfolio (ALTHX) is up 1.7% since the beginning of the year. ALTHX is currently trading at $10 per share. Investors who bought $1,000 worth of ALTHX shares 5 years ago would now be looking at an investment worth $1,045.
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Returns By Period
AB Municipal Income Fund National Portfolio (ALTHX) has returned 1.68% so far this year and 6.79% over the past 12 months. Over the last ten years, ALTHX has returned 2.02% per year, falling short of the S&P 500 Index benchmark, which averaged 13.75% annually.
AB Municipal Income Fund National Portfolio
- 1D
- 0.10%
- 1M
- 1.46%
- YTD
- 1.68%
- 6M
- 2.09%
- 1Y
- 6.79%
- 3Y*
- 4.15%
- 5Y*
- 0.89%
- 10Y*
- 2.02%
Benchmark (S&P 500 Index)
- 1D
- -0.57%
- 1M
- 1.39%
- YTD
- 9.73%
- 6M
- 10.46%
- 1Y
- 24.50%
- 3Y*
- 19.43%
- 5Y*
- 12.21%
- 10Y*
- 13.75%
ALTHX Monthly Returns History
Based on dividend-adjusted daily data since Jun 20, 1996, ALTHX's average daily return is +0.02%, while the average monthly return is +0.33%. At this rate, an investment would double in approximately 17.5 years.
Historically, 65% of months were positive and 35% were negative. The best month was Nov 2023 with a return of +5.9%, while the worst month was Mar 2020 at -5.9%. The longest winning streak lasted 12 consecutive months, and the longest losing streak was 5 months.
On a daily basis, ALTHX closed higher 36% of trading days. The best single day was Mar 25, 2020 with a return of +3.5%, while the worst single day was Mar 19, 2020 at -3.4%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.72% | 1.41% | -2.07% | 0.92% | 0.51% | 0.21% | 1.68% | ||||||
| 2025 | 0.61% | 1.46% | -1.23% | -0.47% | -0.43% | 0.71% | -0.45% | 0.75% | 2.52% | 1.26% | 0.17% | 0.09% | 5.05% |
| 2024 | 0.07% | 0.04% | -0.10% | -1.19% | 0.29% | 1.36% | 0.79% | 0.92% | 1.06% | -1.45% | 1.69% | -1.09% | 2.36% |
| 2023 | 2.91% | -1.94% | 1.55% | 0.24% | -0.68% | 0.57% | 0.12% | -0.90% | -2.61% | -1.74% | 5.94% | 2.49% | 5.76% |
| 2022 | -2.45% | -0.51% | -3.00% | -2.79% | 1.22% | -2.23% | 2.71% | -2.20% | -4.05% | -1.05% | 4.31% | -0.17% | -10.06% |
| 2021 | 0.75% | -1.67% | 0.65% | 0.94% | 0.51% | 0.43% | 0.72% | -0.40% | -0.69% | -0.03% | 0.90% | 0.06% | 2.15% |
Benchmark Metrics
AB Municipal Income Fund National Portfolio has an annualized alpha of 4.05%, beta of -0.00, and R2 of 0.00 versus S&P 500 Index. Calculated based on daily prices since June 20, 1996.
- This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (13.04%) than losses (0.35%) - typical of diversified or defensive assets.
- Beta of -0.00 may look defensive, but with R2 of 0.00 this fund 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 fund's risk.
- R2 of 0.00 means this fund 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
- 4.05%
- Beta
- -0.00
- R²
- 0.00
- Upside Capture
- 13.04%
- Downside Capture
- 0.35%
Expense Ratio
ALTHX has an expense ratio of 0.75%, placing it in the medium range.
Return for Risk
Risk / Return Rank
ALTHX ranks 69 for risk / return — better than 69% of mutual funds on our site. You're getting solid returns for the risk taken. A good sign, especially for investors who want growth without excessive volatility.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for AB Municipal Income Fund National Portfolio (ALTHX) 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.
| ALTHX | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.55 | ||
| Sortino ratioReturn per unit of downside risk | +1.38 | ||
| Omega ratioGain probability vs. loss probability | 1.62 | 1.36 | +0.26 |
| Calmar ratioReturn relative to maximum drawdown | 2.39 | 2.71 | -0.31 |
| Martin ratioReturn relative to average drawdown | 8.30 | 12.15 | -3.85 |
Dividends
Dividend History
AB Municipal Income Fund National Portfolio provided a 3.49% dividend yield over the last twelve months, with an annual payout of $0.34 per share. The fund has been increasing its distributions for 4 consecutive years.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.34 | $0.44 | $0.32 | $0.27 | $0.22 | $0.17 | $0.26 | $0.30 | $0.31 | $0.31 | $0.31 | $0.35 |
Dividend yield | 3.49% | 4.55% | 3.27% | 2.73% | 2.34% | 1.57% | 2.43% | 2.84% | 3.12% | 3.01% | 3.11% | 3.37% |
Monthly Dividends
The table displays the monthly dividend distributions for AB Municipal Income Fund National Portfolio. 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 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.00 | $0.14 | ||||||
| 2025 | $0.06 | $0.05 | $0.05 | $0.05 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.44 |
| 2024 | $0.03 | $0.02 | $0.00 | $0.03 | $0.03 | $0.00 | $0.03 | $0.03 | $0.02 | $0.03 | $0.05 | $0.05 | $0.32 |
| 2023 | $0.03 | $0.02 | $0.03 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.00 | $0.03 | $0.03 | $0.27 |
| 2022 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.00 | $0.02 | $0.02 | $0.02 | $0.22 |
| 2021 | $0.00 | $0.00 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.17 |
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 AB Municipal Income Fund National Portfolio. 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 AB Municipal Income Fund National Portfolio was 15.22%, occurring on Dec 15, 2008. Recovery took 179 trading sessions.
The current AB Municipal Income Fund National Portfolio drawdown is 0.46%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Financial crisis2007–2009 | -15.22%Dec 2008 | 10mo 26d | 8mo 20d | 1y 7moJan 2008 - Sep 2009 |
Bear market2022 | -14.37%Oct 2022 | 1y 2mo | 2y 10mo | 4y 1moAug 2021 - Sep 2025 |
COVID crash2020 | -12.83%Mar 2020 | 17d | 8mo 4d | 8mo 21dMar 2020 - Nov 2020 |
2000 pullback2000 | -8.52%Jan 2000 | 9mo 2d | 9mo 5d | 1y 6moApr 1999 - Oct 2000 |
2013 pullback2013 | -8.26%Sep 2013 | 4mo 5d | 10mo 29d | 1y 2moMay 2013 - Jul 2014 |
Drawdown Indicators
| ALTHX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -15.22% | -56.78% | +41.56% |
Max Drawdown (1Y)Largest decline over 1 year | -2.85% | -9.10% | +6.25% |
Max Drawdown (3Y)Largest decline over 3 years | -5.46% | -18.90% | +13.44% |
Max Drawdown (5Y)Largest decline over 5 years | -14.37% | -25.43% | +11.06% |
Max Drawdown (10Y)Largest decline over 10 years | -14.37% | -33.92% | +19.55% |
Current DrawdownCurrent decline from peak | -0.46% | -1.29% | +0.83% |
Average DrawdownAverage peak-to-trough decline | -2.00% | -10.72% | +8.72% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.82% | 2.02% | -1.20% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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