Hi Allie, The folks who follow https://communities.sas.com/community/support-communities/sas_forecasting are much more likely to have good answers, so a post in that forum may be warranted. Generally, if the prediction is not where you want it regarding stability, you may wish to consider adding explanatory terms to the model, and really checking on stationarity. Seasonality may not be the only thing affecting your predictions. Steve Denham
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