Greninja V-UNION #SWSH156

Pricing context for collectors: Over the last 7 days, prices have remained stable at 0.0%, indicating a consolidation phase over sudden breakouts. Observed 90-day bounds of $3.58 and $4.12 create a 13% band, matching a low-volatility profile.

Current value is 4.6% above its 30-day reference ($3.94). Graded context points to a substantial premium curve, with PSA 10 at +3533% above raw pricing.

PSA 9 is currently around $7.50, while PSA 10 is $149.66.

Latest market snapshots place Greninja V-UNION in SWSH Black Star Promos at roughly $4.12. Its 7-day movement is largely flat at 0.0%.

Current value is elevated versus the 30-day mean ($3.94), by 4.6%. The 90-day window shows a floor near $3.58 and a peak around $4.12 (13% total spread), which maps to low-volatility movement.

This version is categorized as 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 entered circulation 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.

Within this set, Greninja V-UNION is card number SWSH156 with a Promo designation.

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

Observed alternatives run from $3.70 to $5.21 (41% spread). The current card sits -7% versus the sampled alternative average of $4.44.

Notable alternatives include Greninja V-UNION #SWSH155 (SWSH Black Star Promos) at $3.70, Greninja V-UNION #SWSH158 (SWSH Black Star Promos) at $4.42, and Greninja V-UNION #SWSH157 (SWSH Black Star Promos) at $5.21.