Christmas is not the same as the thanksgiving day, you should know that christmas is something that is being celebrated all over the world.. While thanksgiving is only celebrated on the united states.
This will give you all the answers that you need about how it will "affect" the price.
Exactly. Christmas is much different than Thanksgiving. You know that Christmas is the season where people spend so much money and the economical movement is huge for the countries who celebrate this special day. So expect a great increase or decease to the prices, not even in bitcoin but in any products,