For Boost Shake in Evolving Skies, the current reference price is $2.23. Week-over-week change is limited (0.0%), indicating short-term stability.
It now sits 7.4% above its 30-day average of $2.08. The 90-day window shows a floor near $1.81 and a peak around $2.30 (22% total spread), which maps to moderate-volatility movement.
Rarity classification for this copy is Rare Secret.
Current valuation lens: Short-term movement is stable (0.0% over 7 days), with price action clustered near recent averages. With a 22% 90-day spread ($1.81-$2.30), this card currently tracks as moderate-volatility.
Versus the 30-day average ($2.08), the card is trading 7.4% higher. Graded context points to a substantial premium curve, with PSA 10 at +1696% above raw pricing.
PSA 9 is currently around $7.78, while PSA 10 is $40.06.
Boost Shake appears in Evolving Skies, released in 2021. Its card type is Trainer.
The rarity label is Rare Secret. This print is categorized under the Item subtype.
The card text reads: Search your deck for a card that evolves from 1 of your Pokémon and put it onto that Pokémon to evolve it. Then, shuffle your deck.
You can use this card during your first turn or on a Pokémon that was put into play this turn. Your turn ends.
A wider Boost checklist helps contextualize this specific Boost Shake print. Comparable entries in this snapshot: 1 cards, 1 distinct set.
Only one priced comparison is available in this sample ($0.08). Notable alternatives include Boost Shake #142 (Evolving Skies) at $0.08.
Evolving Skies was released in 2021. Series classification for this set is Sword & Shield.
Set size is 237 cards, which categorizes Evolving Skies as large. As of 2026, the set is 5 years old and sits in a modern-era collecting window.
In the Evolving Skies checklist, Boost Shake occupies position #229 as a Rare Secret card.
