Professor Oak's New Theory
HeartGold & SoulSilver · #101/123 · Uncommon · 2010
$0.93
Market price ▲ 20.8% (1Y)
SupporterArt · Ken Sugimori
Printings & price history
Reverse Holofoil▲ 0.0% 7d$6.92
Low $4.00Mid $6.76High $63.10
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Graded values
updated 2026-07-06Reverse Holofoil · Ungraded price history$6.92
Ungraded chart is building — graded values are tracked nightly, a new point appears each day.
How much is Professor Oak's New Theory #101/123 worth?
Professor Oak's New Theory #101/123 from HeartGold & SoulSilver currently has a market value of $0.93, with 2 tracked variants ranging from $0.25 to $63.10. It is a Uncommon card released in 2010. Prices update nightly from live market data — check the chart above for the full price history. A PSA 10 copy is currently valued around $49.03, or compare against recent eBay sold listings for graded and raw copies.
