Question 1

What is the current market value of Professor Oak's New Theory #101?

Accepted Answer

Professor Oak's New Theory from HeartGold & SoulSilver is currently trading around $0.89. Its 7-day movement is largely flat at +0.6%. Relative to the last 30 days, value is near baseline at $0.89. In the past 90 days, observed prices ranged from $0.80 to $0.89 (10% spread), a low-volatility profile. This version is categorized as Uncommon.

Question 2

Is Professor Oak's New Theory #101 a good investment or collectible?

Accepted Answer

Market structure summary: Over the last 7 days, prices have remained stable at +0.6%, indicating a consolidation phase over sudden breakouts. With a 10% 90-day spread ($0.80-$0.89), this card currently tracks as low-volatility. Relative to the 30-day baseline ($0.89), pricing is near equilibrium. Graded comparison currently centers on PSA 9 near $25.00, representing +2709% over raw value.

Question 3

What is Professor Oak's New Theory #101 and what makes it special?

Accepted Answer

Professor Oak's New Theory appears in HeartGold & SoulSilver, released in 2010. Its card type is Trainer. The rarity label is Uncommon. Card subtype classification is Supporter. The card text reads: You can play only one Supporter card each turn. When you play this card, put it next to your Active Pokémon. When your turn ends, discard this card. Shuffle your hand into your deck. Then, draw 6 cards. No explicit attack names are available in the loaded card metadata. Uncommon-tier prints usually balance accessibility with moderate collector demand.

Question 4

What are the alternative Professor cards available?

Accepted Answer

Collectors tracking Professor Oak's New Theory often benchmark it against other Professor cards. This comparison sample includes 1 alternatives across 1 set. Only one priced comparison is available in this sample ($1.00). Notable alternatives include Professor Oak's New Theory #83 (Call of Legends) at $1.00.

Question 5

What set is Professor Oak's New Theory #101 from, and when was it released?

Accepted Answer

HeartGold & SoulSilver entered circulation in 2010. HeartGold & SoulSilver is grouped under the HeartGold & SoulSilver era. The checklist contains 124 cards, placing it in a mid-size expansion range. As of 2026, the set is 16 years old and fits a legacy-era profile. In the HeartGold & SoulSilver checklist, Professor Oak's New Theory occupies position #101 as a Uncommon card.

Professor Oak's New Theory #101

Price history

All Professor Oak's New Theory cards

Card details