iShares 7-10 Year Treasury Bond ETF (IEF) Seasonality
Recurring seasonal patterns for IEF — the calendar windows where iShares 7-10 Year Treasury Bond ETF has historically tended to rise or fall, with the win rate (how often it repeated) and average return for each, based on the last 10 years of price history.
IEF seasonality at a glance
Over the last 10 years, IEF's strongest seasonal window has been Jul 25 – Aug 4: it ended higher in 9 of 10 years (90% win rate) with an average return of +1.04% across a 10-day hold. On the weak side, IEF has historically declined between Sep 7 – Oct 7, falling in 9 of 10 years (average -1.73%).
In total, our analysis finds 55 recurring seasonal windows for iShares 7-10 Year Treasury Bond ETF — 14 bullish and 41 bearish. The next high-win-rate window, Sep 12 – Oct 12, opens tomorrow. These figures describe historical behaviour only — not a forecast.
IEF's upcoming & recent seasonal patterns
Holding period:10-day20-day30-dayOrdered by season — windows opening soon first, plus a couple of recently completed high-performers. Holding-period colors help you compare durations at a glance.
| Status | Seasonal window | Hold | Avg return | Win rate | This year |
|---|---|---|---|---|---|
| Completedended 38d ago | Jul 25 – Aug 4 | 10d | +1.04% | 90% | +0.58% |
| Active30d left | Sep 11 – Oct 11 | 30d | -1.46% | 90% | — |
| Upcomingtomorrow | Sep 12 – Oct 12 | 30d | -1.39% | 80% | — |
| Upcomingin 3d | Sep 14 – Oct 14 | 30d | -1.14% | 80% | — |
| Upcomingin 4d | Sep 15 – Oct 15 | 30d | -1.15% | 80% | — |
| Upcomingin 5d | Sep 16 – Oct 6 | 20d | -1.14% | 90% | — |
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 IEF seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
IEF seasonality FAQ
What has historically been the best month to buy IEF stock?
Based on the last 10 years of price data, IEF's strongest seasonal window starts in July: Jul 25 to Aug 4, which ended higher in 9 of 10 years (90% win rate) with an average return of +1.04%. Past seasonal patterns do not guarantee future performance.
What is IEF's strongest seasonal pattern?
IEF's highest-win-rate pattern in our data is the Jul 25 – Aug 4 window (10-day hold): up in 9 of the last 10 years with an average move of +1.04%.
When has IEF historically performed worst?
IEF's weakest recurring window has been Sep 7 to Oct 7, declining in 9 of 10 years with an average return of -1.73%.
How reliable are IEF's seasonal patterns?
Each IEF pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. IEF currently shows 55 recurring windows (14 bullish, 41 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is IEF stock seasonality?
Seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing iShares 7-10 Year Treasury Bond ETF's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where IEF 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.