M Gengar-EX #XY166 XY Black Star Promos Holofoil Price

M Gengar-EX #XY166 price, trend & prediction

M Gengar-EX #XY166 (Holofoil, Promo) from XY Black Star Promos (2013) has a market price of $279.48 raw as of October 11, 2026, the TCGplayer market price for this exact printing. It is the #3 most valuable of 168 priced printings in XY Black Star Promos. Over the last 30 days the price has held steady (−1.3%), +2.4% in the last week, +0.7% over 90 days. Its 180-day range is $263.81 to $285.03 — it is trading near the top of that range.

Graded copies of M Gengar-EX sell for more than raw. A PSA 10 has a recent sale median of $5,999.00, about 21× the raw price (10 recent sales). PSA 9 copies go for around $925.97, about 3.3× the raw price (39 recent sales). Other grades we track: CGC 9.5 at $1,100.00, BGS 9.5 at $470.00, TAG 8.5 at $420.00. Graded medians come from recent eBay sold listings and refresh daily.

M Gengar-EX #XY166 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 (−1.3% over 30 days, +2.4% over 7 days, +0.7% 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.