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Prices sourced from TCGPlayer and CardMarket. Not affiliated with Nintendo, The Pokemon Company, or any card marketplace.

Professor Oak's New Theory (HeartGold SoulSilver) Price & Value | PokiFrame

Home / Pokemon card prices / HeartGold SoulSilver / Professor Oak's New Theory

Professor Oak's New Theory

HeartGold SoulSilver

Set: HeartGold SoulSilverNumber: 101Updated 6/11/2026

Market price

$0.90

TCGPlayer

$0.90

eBay avg

$0.90

Variants

Variant

eBay Sold Prices

1 sale

Raw1 sale · $2.05–$2.05

$0.90

About Professor Oak's New Theory

Professor Oak's New Theory is card 101 from the HeartGold SoulSilver set. It is tracked in 2 print variants, each priced separately above.

The current TCGPlayer market price is $0.90.

PokiFrame aggregates this data from TCGPlayer, CardMarket, and eBay so you can confirm Professor Oak's New Theory's value before you buy, sell, or trade.

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