Groudon-EX #XY42 XY Black Star Promos Holofoil Price

Groudon-EX #XY42 price, trend & prediction

Groudon-EX #XY42 (Holofoil, Promo) from XY Black Star Promos (2013) has a market price of $19.15 raw as of October 13, 2026, the TCGplayer market price for this exact printing. For context, the median XY Black Star Promos card is $19.15; this one ranks #84 of 168 priced printings. Over the last 30 days the price has edged up (+4.4%), +33.8% over 90 days. Its 180-day range is $14.27 to $19.15 — it is trading near the top of that range.

Graded copies of Groudon-EX sell for more than raw. PSA 9 copies go for around $75.00, about 3.9× the raw price (6 recent sales) — thin data, treat as indicative. Other grades we track: PSA 8 at $52.00, PSA 7 at $49.95, CGC 9 at $35.00. Graded medians come from recent eBay sold listings and refresh daily.

Groudon-EX #XY42 price prediction: if recent momentum continues, the 30-day trend for this card is upward. Momentum is pointing up: the price is higher across the windows we track (+4.4% over 30 days, +1.1% over 7 days, +33.8% over 90 days). This is a read of past price moves, not a model forecast and not investment advice — see the forecast methodology and public accuracy scoreboard for how our ML outlooks are built and scored.