Mewtwo-GX #78

Mewtwo-GX is a Shining Legends card from the 2017 release window. Its card type is Pokémon.

The rarity label is Rare Secret. Printed HP is 190.

Energy typing is Psychic. This print is categorized under the Basic and GX subtype.

Printed card effect: Pokémon-GX rule: When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards. Attack line includes "Full Burst", "Super Absorption", and "Psystrike-GX".

Current market pricing for Mewtwo-GX (Shining Legends) sits near $529.28. Week-over-week change is limited (0.0%), indicating short-term stability.

Current value is elevated versus the 30-day mean ($516.47), by 2.5%. Its 90-day trading band runs between $495.78 and $529.54, producing a 6% range and low-volatility behavior.

Rarity classification for this copy is Rare Secret.

Pricing context for collectors: The latest week is near flat (0.0%), suggesting consolidation rather than breakout behavior. With a 6% 90-day spread ($495.78-$529.54), this card currently tracks as low-volatility.

Relative to the 30-day baseline ($516.47), pricing is near equilibrium. Top-grade copies show substantial separation from raw: PSA 10 is pricing +947% above the current raw benchmark.

PSA 9 is currently around $955.15, while PSA 10 is $5542.45.

Release year for Shining Legends is 2017. Series classification for this set is Sun & Moon.

The checklist contains 81 cards, placing it in a compact expansion range. As of 2026, the set is 9 years old and now falls into an established back-catalog period.

Within this set, Mewtwo-GX is card number 78 with a Rare Secret designation.

A wider Mewtwo-GX checklist helps contextualize this specific Mewtwo-GX print. This comparison sample includes 6 alternatives across 4 sets.

Comparable prices currently cover $7.09-$101.52, a 1332% band. Against the sample mean of $37.52, this card is +1311%.

Notable alternatives include Mewtwo-GX #SM196 (SM Black Star Promos) at $16.92, Mewtwo-GX #SV59 (Hidden Fates Shiny Vault) at $101.52, Mewtwo-GX #76 (Shining Legends) at $70.55, and Mewtwo-GX #72 (Shining Legends) at $20.13.