The shiny odds in Pokemon Go vary depending on the encounter method and the species of the Pokemon. The standard base shiny rate is 0.2% or 1 in 500, which applies to the vast majority of species). However, some species have a permanently boosted shiny rate of 1.6% or 1 in 62.5). The following are the shiny odds for different encounter methods:

• Wild Pokemon: The usual rate for wild shinies is 1 in 500, so every time you click a Pokemon, it has a 1 in 500 chance of being shiny. However, some medium-rate Pokemon have an increased chance of being shiny, with odds raised to around 1 in 125.

• Raid Pokemon: Tier 5 raid shinies have a fixed shiny odds of 1 in 20. Legendary and Mythical Pokemon in raids have an impressive 1 in 20 or 5% shiny odds.

• Community Day Pokemon: The featured Pokemon has an increased shiny rate of 1 in 25, or 4% . However, the shiny rates for December Community Day are boosted to 1 in 20.

• Shadow Pokemon: Shadow Pokemon have normal colors when used by a Team Rocket member, but they have the same shiny odds as their non-shadow counterparts.

• Permaboosted Pokemon: This group of Pokemon has an incredibly low shiny rate of around 1 in 64, including Absol, Rockruff, Riolu, and more).

Overall, the shiny odds in Pokemon Go range from 1 in 500 to 1 in 20, depending on the encounter method and the species of the Pokemon.