Professor Oak's Research #149 Expedition Base Set Reverse Holofoil Price

Professor Oak's Research #149 price, trend & prediction

Professor Oak's Research #149 (Reverse Holofoil, Uncommon) from Expedition Base Set (2002) has a market price of $34.84 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 #169 of 324 priced printings. Over the last 30 days the price has edged up (+7.3%), +16.2% over 90 days. Its 180-day range is $29.98 to $36.56.

Graded copies of Professor Oak's Research sell for more than raw. A PSA 10 has a recent sale median of $44.99, about 1.3× the raw price (3 recent sales) — thin data, treat as indicative. PSA 9 copies go for around $29.99 (3 recent sales) — thin data, treat as indicative. Other grades we track: PSA 8 at $33.49, PSA 7 at $19.65, CGC 9 at $17.99. Graded medians come from recent eBay sold listings and refresh daily.

Professor Oak's Research #149 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 (+7.3% over 30 days, +0.0% over 7 days, +16.2% 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.