This is a good idea to try, but November and December are weird months and it might not be reasonable in your space to assume they are comparable. I work in co

This is a good idea to try, but November and December are weird months and it might not be reasonable in your space to assume they are comparable. I work in comparison shopping where it's really not true. You mentioned A/B testing, and I think you should try this again as an A/B test so that you can eliminate seasonality.