Omnicom Group (OMC) Seasonality
Recurring seasonal patterns for OMC — the calendar windows where Omnicom Group 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.
OMC seasonality at a glance
Over the last 10 years, OMC's strongest seasonal window has been Nov 4 – Nov 24: it ended higher in 10 of 10 years (100% win rate) with an average return of +6.66% across a 20-day hold. On the weak side, OMC has historically declined between May 9 – May 29, falling in 10 of 10 years (average -2.58%).
In total, our analysis finds 585 recurring seasonal windows for Omnicom Group — 366 bullish and 219 bearish. The next high-win-rate window, Oct 27 – Nov 26, opens tomorrow. These figures describe historical behaviour only — not a forecast.
OMC'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 8d ago | Sep 28 – Oct 18 | 20d | +2.60% | 80% | +7.27% |
| Completedended 9d ago | Oct 7 – Oct 17 | 10d | +1.81% | 80% | +7.60% |
| Upcomingtomorrow | Oct 27 – Nov 26 | 30d | +6.63% | 80% | — |
| Upcomingin 2d | Oct 28 – Nov 17 | 20d | +5.74% | 80% | — |
| Upcomingin 2d | Oct 28 – Nov 27 | 30d | +6.98% | 80% | — |
| Upcomingin 3d | Oct 29 – Nov 8 | 10d | +2.02% | 80% | — |
| Upcomingin 3d | Oct 29 – Nov 28 | 30d | +7.39% | 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 OMC seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
OMC seasonality FAQ
What has historically been the best month to buy OMC stock?
Based on the last 10 years of price data, OMC's strongest seasonal window starts in November: Nov 4 to Nov 24, which ended higher in 10 of 10 years (100% win rate) with an average return of +6.66%. Past seasonal patterns do not guarantee future performance.
What is OMC's strongest seasonal pattern?
OMC's highest-win-rate pattern in our data is the Nov 4 – Nov 24 window (20-day hold): up in 10 of the last 10 years with an average move of +6.66%.
When has OMC historically performed worst?
OMC's weakest recurring window has been May 9 to May 29, declining in 10 of 10 years with an average return of -2.58%.
How reliable are OMC's seasonal patterns?
Each OMC pattern is scored by its historical win rate — the share of the last 10 years it repeated in the same direction. OMC currently shows 585 recurring windows (366 bullish, 219 bearish). Seasonality describes historical tendencies only; it is not a prediction, and past performance does not guarantee future results.
What is OMC stock seasonality?
Seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Omnicom Group's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where OMC 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.