Professor Oak's New Theory #83

Market structure summary: Over the last 7 days, prices have remained stable at 0.0%, indicating a consolidation phase over sudden breakouts. Observed 90-day bounds of $0.85 and $0.95 create a 11% band, matching a low-volatility profile.

Relative to the 30-day baseline ($0.94), pricing is near equilibrium. Top-grade copies show substantial separation from raw: PSA 10 is pricing +5163% above the current raw benchmark.

PSA 9 is currently around $27.40, while PSA 10 is $50.00.

Latest market snapshots place Professor Oak's New Theory in Call of Legends at roughly $0.95. Price action is stable over 7 days, moving only 0.0%.

Current pricing is broadly aligned with its 30-day average ($0.94). In the past 90 days, observed prices ranged from $0.85 to $0.95 (11% spread), a low-volatility profile.

This version is categorized as Uncommon.

Professor Oak's New Theory is a Call of Legends card from the 2011 release window. Core profile: Its card type is Trainer.

The rarity label is Uncommon. Card subtype classification is Supporter.

Card rules text: 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.

Call of Legends was released in 2011. It belongs to the HeartGold & SoulSilver series.

With 106 listed cards, this is a mid-size set by modern TCG standards. As of 2026, the set is 15 years old and fits a legacy-era profile.

Within this set, Professor Oak's New Theory is card number 83 with a Uncommon designation.

Other Professor printings create a useful comparison set for Professor Oak's New Theory. Comparable entries in this snapshot: 1 cards, 1 distinct set.

Only one priced comparison is available in this sample ($0.85). Notable alternatives include Professor Oak's New Theory #101 (HeartGold & SoulSilver) at $0.85.