Depends. Sometimes turkey prices drop before thanksgiving, as the producers plan their growth cycles around expected thanksgiving demand, and use freezers to meet demand. For example, see the 2022 august peak in poult placement in: https://downloads.usda.library.cornell.edu/usda-esmis/files/...

and https://theconversation.com/why-does-the-price-of-turkeys-fa...

The products often become loss-leaders (or close to it) to draw people into stores, so perhaps the interesting thing here is that valentines roses have a different pricing pattern -- probably because, unlike turkey, they don't freeze well, so supply is much less elastic.