Are shiny rates boosted for the new years event or am I just lucky as? /u/Urt8 Pokémon GO – Discover Pokémon in the Real World!

Are the shiny odds just 1/512 or if not does anyone know what they are got these legit within like an hour of each other and an hour and half of the even starting when I went on a walk

Are the shiny odds just 1/512 or if not does anyone know what they are got these legit within like an hour of each other and an hour and half of the even starting when I went on a walk