Fidelity US Bond Index Fund (FXNAX) Seasonality
Recurring seasonal patterns for FXNAX — the calendar windows where Fidelity US Bond Index Fund 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.
FXNAX seasonality at a glance
Over the last 10 years, FXNAX's strongest seasonal window has been Nov 13 – Dec 3: it ended higher in 9 of 10 years (90% win rate) with an average return of +1.14% across a 20-day hold. On the weak side, FXNAX has historically declined between Oct 1 – Oct 21, falling in 9 of 10 years (average -1.04%).
In total, our analysis finds 18 recurring seasonal windows for Fidelity US Bond Index Fund — 9 bullish and 9 bearish. The next high-win-rate window, Sep 7 – Oct 7, opens in 42 days. These figures describe historical behaviour only — not a forecast.
FXNAX'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 |
|---|---|---|---|---|---|
| Upcomingin 42d | Sep 7 – Oct 7 | 30d | -1.18% | 80% | — |
| Upcomingin 43d | Sep 8 – Oct 8 | 30d | -1.16% | 80% | — |
| Upcomingin 45d | Sep 10 – Oct 10 | 30d | -1.09% | 80% | — |
| Upcomingin 56d | Sep 21 – Oct 21 | 30d | -1.16% | 80% | — |
| Upcomingin 57d | Sep 22 – Oct 22 | 30d | -1.11% | 80% | — |
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 FXNAX seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
FXNAX seasonality FAQ
What has historically been the best month to buy FXNAX stock?
Based on the last 10 years of price data, FXNAX's strongest seasonal window starts in November: Nov 13 to Dec 3, which ended higher in 9 of 10 years (90% win rate) with an average return of +1.14%. Past seasonal patterns do not guarantee future performance.
What is FXNAX's strongest seasonal pattern?
FXNAX's highest-win-rate pattern in our data is the Nov 13 – Dec 3 window (20-day hold): up in 9 of the last 10 years with an average move of +1.14%.
When has FXNAX historically performed worst?
FXNAX's weakest recurring window has been Oct 1 to Oct 21, declining in 9 of 10 years with an average return of -1.04%.
How reliable are FXNAX's seasonal patterns?
Each FXNAX pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. FXNAX currently shows 18 recurring windows (9 bullish, 9 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is FXNAX stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Fidelity US Bond Index Fund's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where FXNAX 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.