About Boost Shake (Secret)

Boost Shake (Secret) from the Evolving Skies set (#229) is a Pokemon trading card released in 2021. It has a rarity of Rare Secret. Current fair market values for Boost Shake (Secret) are PSA 10: $39.92, PSA 9: $8.62, PSA 8: $10, Raw: $2.55. The most recent PSA 10 sale was $49.99 on May 28, 2026, with 32 sales tracked in the last 30 days. The most recent PSA 9 sale was $4.25 on February 23, 2026. A raw (ungraded) copy last sold for $2.99 on June 18, 2026. CardIndex has tracked 115 total sales across all grades for this card. There are currently 102 active listings for Boost Shake (Secret).