Blastoise-GX #SM189

Market structure summary: Over the last 7 days, prices have remained stable at 0.0%, indicating a consolidation phase over sudden breakouts. Observed 90-day bounds of $15.31 and $23.54 create a 36% band, matching a moderate-volatility profile.

Relative to the 30-day baseline ($22.80), pricing is near equilibrium. Top-grade copies show substantial separation from raw: PSA 10 is pricing +931% above the current raw benchmark.

PSA 9 is currently around $39.33, while PSA 10 is $237.45.

Blastoise-GX from SM Black Star Promos is currently trading around $23.04. Week-over-week change is limited (0.0%), indicating short-term stability.

Current pricing is broadly aligned with its 30-day average ($22.80). The 90-day window shows a floor near $15.31 and a peak around $23.54 (36% total spread), which maps to moderate-volatility movement.

The listed rarity for this print is Promo.

Blastoise-GX is a SM Black Star Promos card from the 2017 release window. Core profile: Its card type is Pokémon.

The rarity label is Promo. Printed HP is 240.

Energy typing is Water. Blastoise-GX evolves from Wartortle.

Printed card effect: Pokémon-GX rule: When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards. Printed ability include "Solid Shell".

Release year for SM Black Star Promos is 2017. Series classification for this set is Sun & Moon.

Set size is 250 cards, which categorizes SM Black Star Promos as large. As of 2026, the set is 9 years old and now falls into an established back-catalog period.

Blastoise-GX (#SM189) is one of the Promo prints in this expansion.

Blastoise-GX sits within a broader pool of Blastoise-GX variants that can be compared by set, rarity, and price. The current sample spans 2 comparable cards from 1 set.

Observed alternatives run from $14.30 to $96.97 (578% spread). The current card sits -59% versus the sampled alternative average of $55.63.

Notable alternatives include Blastoise-GX #218 (Unbroken Bonds) at $96.97 and Blastoise-GX #35 (Unbroken Bonds) at $14.30.