Total daily copies sold - pair comparison - yesterday (Experimental)

Selected games copies sold comparison based on reverse engeeneering of Global Top Sellers list.
Given that: a. game_1 was positioned over given period higher than game_2 and b. game_1's price was lower than game_2's price over given period c. Global Top Sellers list is based on gross revenue
We can assume game_1 sold at least X times copies as game_2 (X ratio = Game_2 price /Game_1 price)