Team GO Rocket Event Shiny Rates

In a world filled with shadows some Pokémon still shine bright! The Team Rocket Event announced the release of the shiny forms of Ekans and Koffing into the world of Pokémon GO. Not long afterwards, reports came flooding in from travelers of shiny Sneasel and Zubat as well! The Silph Research Group leaped into action and quickly assembled a Task Force to investigate these changes, and we are now ready to bring you the first results on their shiny rates. Past events have either used the base shiny rate of 1 in 450 or are boosted to around 1 in 150, so our first task is to discriminate between these two rates. Let’s take a look at what we’ve found so far!

7/29/2019 0:00 UTC Final Update

Species Shinies /
(1 in X)
99% CI
(1 in X)
65 / 24,902 450 280 – 540
37 / 13,018 450 240 – 560
13 / 1,588 150 65 – 285
3 / 844 90 – 2500

The Silph team is closing up shop for this round! We found that the shiny rates for Koffing or Ekans don’t seem to be boosted from the standard 1 in 450. Both 99% confidence intervals exclude the 1 in 150 shiny rate, making 1 in 450 more likely.

A boosted shiny rate is almost certainly in effect for Sneasel. The confidence interval is still very wide, but given the prevalence of a shiny rate around 1 in 150 during events, we think this is the most likely rate. Researchers have had a tough time tracking down Zubat, and with only 844 encounters over 72 hours, we can’t speculate on what its rate might be. That will have to wait for another day.

Thanks for stopping in, travelers!