Steelix-EX #108 Steam Siege Holofoil Price

Steelix-EX #108 price, trend & prediction

Steelix-EX #108 (Holofoil, Rare Ultra) from Steam Siege (2016) has a market price of $18.42 raw as of October 10, 2026, the TCGplayer market price for this exact printing. It is the #7 most valuable of 209 priced printings in Steam Siege. Over the last 30 days the price has held steady (−0.2%), −6.3% over 90 days. Its 180-day range is $18.12 to $19.65 — it is trading near the bottom of that range.

Graded copies of Steelix-EX sell for more than raw. A PSA 10 has a recent sale median of $404.00, about 22× the raw price (36 recent sales). PSA 9 copies go for around $55.50, about 3.0× the raw price (55 recent sales). Other grades we track: ACE 10 at $334.38, PSA 1 at $100.08, CGC 9 at $56.00. Graded medians come from recent eBay sold listings and refresh daily.

Steelix-EX #108 price prediction: if recent momentum continues, the 30-day trend for this card is downward. Momentum is pointing down: the price is lower across the windows we track (−0.2% over 30 days, +1.2% over 7 days, −6.3% 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.