Professor Oak's Research #149 Expedition Base Set Price
Expedition Base Set · #149
Professor Oak's Research (Expedition Base Set #149) is worth $2.27 raw as of October 9, 2026, up 19.5% over the last 30 days.

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$2.27latest TCGplayer median
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Price history (TCGplayer median, ~180 days)
Professor Oak's Research #149 price, trend & prediction
Professor Oak's Research #149 (Normal, Uncommon) from Expedition Base Set (2002) has a market price of $2.27 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 #304 of 324 priced printings. Over the last 30 days the price has climbed (+19.5%), +2.3% in the last week, +31.2% over 90 days. Its 180-day range is $1.66 to $2.27 — it is trading near the top of that range.
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, about 13× the raw price (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 (+19.5% over 30 days, +2.3% over 7 days, +31.2% 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.