Northrop Grumman (NOC) Seasonality
Recurring seasonal patterns for NOC — the calendar windows where Northrop Grumman 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.
NOC seasonality at a glance
Over the last 10 years, NOC's strongest seasonal window has been Apr 9 – Apr 19: it ended higher in 10 of 10 years (100% win rate) with an average return of +2.44% across a 10-day hold. On the weak side, NOC has historically declined between Sep 3 – Sep 13, falling in 9 of 10 years (average -1.13%).
In total, our analysis finds 603 recurring seasonal windows for Northrop Grumman — 470 bullish and 133 bearish. The next high-win-rate window, Jul 28 – Aug 7, opens tomorrow. These figures describe historical behaviour only — not a forecast.
NOC'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 10d ago | Jun 27 – Jul 17 | 20d | +1.92% | 80% | +4.31% |
| Completedended 11d ago | Jun 26 – Jul 16 | 20d | +1.67% | 80% | +3.72% |
| Upcomingtomorrow | Jul 28 – Aug 7 | 10d | +1.65% | 80% | — |
| Upcomingtomorrow | Jul 28 – Aug 17 | 20d | +2.71% | 80% | — |
| Upcomingin 3d | Jul 30 – Aug 29 | 30d | +2.18% | 80% | — |
| Upcomingin 6d | Aug 2 – Sep 1 | 30d | +1.74% | 80% | — |
| Upcomingin 8d | Aug 4 – Aug 24 | 20d | +1.65% | 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 NOC seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
NOC seasonality FAQ
What has historically been the best month to buy NOC stock?
Based on the last 10 years of price data, NOC's strongest seasonal window starts in April: Apr 9 to Apr 19, which ended higher in 10 of 10 years (100% win rate) with an average return of +2.44%. Past seasonal patterns do not guarantee future performance.
What is NOC's strongest seasonal pattern?
NOC's highest-win-rate pattern in our data is the Apr 9 – Apr 19 window (10-day hold): up in 10 of the last 10 years with an average move of +2.44%.
When has NOC historically performed worst?
NOC's weakest recurring window has been Sep 3 to Sep 13, declining in 9 of 10 years with an average return of -1.13%.
How reliable are NOC's seasonal patterns?
Each NOC pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. NOC currently shows 603 recurring windows (470 bullish, 133 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is NOC stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Northrop Grumman's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where NOC 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.