Professor Elm's Training Method #148 Expedition Base Set Reverse Holofoil Price

Professor Elm's Training Method #148 price, trend & prediction

Professor Elm's Training Method #148 (Reverse Holofoil, Uncommon) from Expedition Base Set (2002) has a market price of $47.00 raw as of October 9, 2026, the TCGplayer market price for this exact printing. For context, the median Expedition Base Set card is $38.36; this one ranks #140 of 324 priced printings. Over the last 30 days the price has held steady (+0.0%), +0.0% over 90 days.

Graded copies of Professor Elm's Training Method sell for more than raw. A PSA 10 has a recent sale median of $47.50, about 1.0× the raw price (6 recent sales) — thin data, treat as indicative. Other grades we track: CGC 9.5 at $79.99, PSA 7 at $21.34, CGC 10 at $19.50. Graded medians come from recent eBay sold listings and refresh daily.

Professor Elm's Training Method #148 price prediction: if recent momentum continues, the 30-day trend for this card is sideways. Momentum is flat: the price has barely moved across the windows we track (+0.0% over 30 days, +0.0% over 7 days, +0.0% 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.