Setting forecast bounds is the first step. 1) The forecast period is annual.
90-day period
Thirty days.
2) Supply-side demand
Trends and variables are taken into account.
When looking at sales history, there are two factors to consider: 1) sales velocity and 2) marketing activity.
When it comes to forecasting future sales, planned marketing activity is essential.
3) The concept of seasonality
Begin to rise in popularity.
Plateau.
Begin to fall in price.
4) Unexpected media attention
5) Effects peculiar to a certain industry
A significant competitor has gone out of business.
A huge corporation is branching out into your field.
The pillar marketing channels have seen significant alterations (if XYZ banned your Ad account, for example).