No, it is not possible to trade either Meloetta or its shiny form in Niantic’s mobile game because they are Mythical Pokemon. Mythical and Shadow Pokemon cannot be traded with in-game friends.

Also read: How to get Dynamax Pidove in Pokemon GO and can it be shiny? Exploring shiny availability, shiny odds, and more Shadow Regice raids are a challenging but rewarding addition to Pokemon GO.