Keldeo GX (Secret) from the Unified Minds set (#240) is a Pokemon trading card released in 2019. It has a rarity of Rare Rainbow. Current fair market values for Keldeo GX (Secret) are PSA 10: $199.36, PSA 9: $40.03, PSA 8: $20.50, Raw: $19.88. The most recent PSA 10 sale was $433 on June 5, 2026, with 29 sales tracked in the last 30 days. The most recent PSA 9 sale was $40.31 on May 21, 2026. A raw (ungraded) copy last sold for $19.78 on June 23, 2026. CardIndex has tracked 114 total sales across all grades for this card. There are currently 15 active listings for Keldeo GX (Secret).