Professor Oak's New Theory

HeartGold & SoulSilver · #101/123 · Uncommon · 2010

$0.93

Market price ▲ 20.8% (1Y)

SupporterArt · Ken Sugimori

Printings & price history

Normal$0.93 Reverse Holofoil$6.92

Normal▲ 3.3% 7d$0.93

Low $0.25Mid $0.76High $19.98

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Graded values

updated 2026-07-06

Unlimited · PSA 10 price history$49.03

PSA 10 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.