Greninja V-UNION #SWSH158

Collector-focused market read: We observe a 0.0% shift this week, which points toward price consolidation rather than immediate volatility. The 90-day range spans $3.62 to $4.48 (19% spread), which indicates low-volatility behavior.

Versus the 30-day average ($4.24), the card is trading 4.3% higher. Available graded data shows PSA 9 at $8.50, which is +92% versus raw pricing.

Greninja V-UNION from SWSH Black Star Promos is currently trading around $4.42. Week-over-week change is limited (0.0%), indicating short-term stability.

Current value is elevated versus the 30-day mean ($4.24), by 4.3%. The 90-day window shows a floor near $3.62 and a peak around $4.48 (19% total spread), which maps to low-volatility movement.

Rarity classification for this copy is Promo.

Greninja V-UNION appears in SWSH Black Star Promos, released in 2019. Its card type is Pokémon.

The rarity label is Promo. Printed HP is 300.

Energy typing is Water. This print is categorized under the V-UNION subtype.

Printed card effect: How to play a Pokémon V-UNION: Once per game during your turn, combine 4 different Greninja V-UNION from your discard pile and put them onto your Bench. V-UNION rule: When your Pokémon V-UNION is Knocked Out, your opponent takes 3 Prize cards.

SWSH Black Star Promos was released in 2019. It belongs to the Sword & Shield series.

The checklist contains 304 cards, placing it in a very large expansion range. As of 2026, the set is 7 years old and now falls into an established back-catalog period.

In the SWSH Black Star Promos checklist, Greninja V-UNION occupies position #SWSH158 as a Promo card.

Collectors tracking Greninja V-UNION often benchmark it against other Greninja cards. The current sample spans 3 comparable cards from 1 set.

Comparable prices currently cover $3.70-$5.21, a 41% band. Against the sample mean of $4.34, this card is +2%.

Notable alternatives include Greninja V-UNION #SWSH155 (SWSH Black Star Promos) at $3.70, Greninja V-UNION #SWSH157 (SWSH Black Star Promos) at $5.21, and Greninja V-UNION #SWSH156 (SWSH Black Star Promos) at $4.12.