Greninja ex from the Scarlet & Violet Black Star Promo set (#54) is a Pokemon trading card released in 2023. It has a rarity of Promo. Current fair market values for Greninja ex are PSA 10: $56.19, PSA 9: $19.90, PSA 8: $15.68, Raw: $4.97. The most recent PSA 10 sale was $51 on February 18, 2026, with 3 sales tracked in the last 30 days. The most recent PSA 9 sale was $124.98 on June 2, 2026. A raw (ungraded) copy last sold for $5.50 on June 21, 2026. CardIndex has tracked 89 total sales across all grades for this card. There are currently 4 active listings for Greninja ex.