iShares National Muni Bond ETF (MUB) Seasonality
Recurring seasonal patterns for MUB — the calendar windows where iShares National Muni Bond ETF has historically tended to rise or fall, with the win rate (how often it repeated) and average return for each, based on up to 10 years of price history.
MUB's strongest seasonal patterns
| Seasonal window | Direction | Avg return | Win rate | Hold |
|---|---|---|---|---|
| Nov 14 – Dec 14 | Bullish | +1.12% | 90% | 30d |
| Nov 7 – Dec 7 | Bullish | +1.25% | 80% | 30d |
| Nov 6 – Dec 6 | Bullish | +1.25% | 80% | 30d |
| Oct 31 – Nov 30 | Bullish | +1.14% | 80% | 30d |
| Oct 30 – Nov 29 | Bullish | +1.08% | 80% | 30d |
| Nov 3 – Dec 3 | Bullish | +1.03% | 80% | 30d |
| Oct 29 – Nov 28 | Bullish | +1.02% | 80% | 30d |
| Nov 13 – Dec 13 | Bullish | +1.01% | 80% | 30d |
| Mar 21 – Mar 31 | Bullish | +1.29% | 70% | 10d |
| Mar 20 – Mar 30 | Bullish | +1.24% | 70% | 10d |
| Mar 19 – Mar 29 | Bullish | +1.23% | 70% | 10d |
| Mar 19 – Apr 9 | Bullish | +1.22% | 70% | 21d |
Win rate = how often the pattern repeated in the same direction. Average return = the mean move across all analysed years. Past performance does not guarantee future results.
Explore MUB seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
What is MUB stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing iShares National Muni Bond ETF's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where MUB has repeatedly risen (bullish) or fallen (bearish). Each pattern is scored by its win rate and average return so you can judge how reliable and how strong it has been.
Seasonality is one input among many — it works best alongside your own research and risk management. Learn more in our guide to seasonal analysis and the tutorials.