Has it been confirmed that Friend Safaris have an increased shiny rate?

Question

Without the shiny charm?

Comments

I don't think so.

Answer 1

So far, no it's not been officially confirmed by Nintendo/Game Freak yet, but there have been many reports (and some rumors) that many people have been finding shinies much more often in Friend Safaris than anywhere else.

Source 1
Source 2 - My Shiny Floatzel

Answer 2

Update:There is increased odds

”Pokémon encountered in the Friend Safari are guaranteed to have at least two IVs of 31 and have a higher chance of being Shiny. When checking for Shininess, the game generates up to four extra personality values to attempt to find a Shiny value, resulting in a rate of 5/4096; this effect can stack with the Shiny Charm, which results in a rate of 7/4096.1”

Source