Greninja EX #21/XY-P #21 — Promo

PriceCharting market prices as of 2026-10-20:

Market context: ungraded price -1.8% over 30 days. -3.3% over 90 days. PSA 10 premium: 5.5× ungraded.

More from Promo

• GR Mewtwo #150
• Grafaiai Ex #88/SV-P #88
• Grand Party Trainer
• Greninja #XY-P #XY
• Greninja #339/S-P #339
• Grotle #52/DP-P #52

Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-promo/pokemon-japanese-promo-greninja-ex-xy-p-21