Professor Oak's New Theory 101/123 HeartGold SoulSilver price
HeartGold SoulSilver · released Feb 10, 2010
TCGplayer market price, Normal
$0.75
As of Sep 30, 2026. Recorded daily by CardFlip.
- Down 8.5% over the last 30 days
- Down 19.4% over the last 90 days
- Normal
- $0.75Sep 30, 2026
- Reverse Holofoil
- $6.96Sep 30, 2026
Price history
Price historyTCGplayer
$0.75▼ $0.18 (19.4%)3M
3M low $0.74 · high $0.97 · 89 daysMay 18, 26 → Sep 30, 26
About this card
Professor Oak's New Theory is card 101/123 in HeartGold SoulSilver, released Feb 10, 2010.
Prices are TCGplayer market prices in US dollars for the printing shown, recorded once a day. A price that looks wrong is not shown.
