Tapu Koko-GX #SM33

Tapu Koko-GX (SM Black Star Promos) is presently valued at about $1.88 in raw condition. Week-over-week change is limited (0.0%), indicating short-term stability.

Relative to the last 30 days, value is near baseline at $1.88. In the past 90 days, observed prices ranged from $1.64 to $1.96 (17% spread), a low-volatility profile.

Rarity classification for this copy is Promo.

Collector-focused market read: Short-term movement is stable (0.0% over 7 days), with price action clustered near recent averages. With a 17% 90-day spread ($1.64-$1.96), this card currently tracks as low-volatility.

Current value remains close to its 30-day mean ($1.88). Graded context points to a substantial premium curve, with PSA 10 at +2560% above raw pricing.

PSA 9 is currently around $46.58, while PSA 10 is $50.00.

Tapu Koko-GX appears in SM Black Star Promos, released in 2017. Its card type is Pokémon.

The rarity label is Promo. Printed HP is 170.

Energy typing is Lightning. Card subtype classification is Basic and GX.

Card rules text: Pokémon-GX rule: When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards. This card has the following ability: "Aero Trail".

Collectors tracking Tapu Koko-GX often benchmark it against other Tapu cards. The current sample spans 5 comparable cards from 3 sets.

Comparable prices currently cover $1.70-$15.85, a 832% band. Against the sample mean of $7.57, this card is -75%.

Notable alternatives include Tapu Koko-GX #SM50 (SM Black Star Promos) at $1.74, Tapu Koko-GX #SV93 (Hidden Fates Shiny Vault) at $15.85, Tapu Koko-GX #153 (Guardians Rising) at $13.68, and Tapu Koko-GX #47 (Guardians Rising) at $1.70.

SM Black Star Promos entered circulation in 2017. Series classification for this set is Sun & Moon.

With 250 listed cards, this is a large set by modern TCG standards. As of 2026, the set is 9 years old and now falls into an established back-catalog period.

Tapu Koko-GX (#SM33) is one of the Promo prints in this expansion.