- Number
- 101/123
- Rarity
- Uncommon
- Languages
- 🇩🇪🇬🇧🇫🇷
- TCGdex
- hgss1-101
Professor Oak's New Theory
101/123HeartGold SoulSilver · 10/02/2010
0 HP
- Retreat
- 0
Trend€0.03
7-day avg.€0.14
30-day avg.€0.20
Owned0
Price in context
With a Cardmarket trend of €0.03 this card is number 120 of 121 priced cards in HeartGold SoulSilver.
- vs. 7 days ago
- not enough data yet
- vs. 30 days ago
- not enough data yet
- Lowest tracked trend
- €0.0326/09/2026
- Highest tracked trend
- €0.1222/09/2026
Based on our daily snapshots over 4 days. Cardmarket trend as of 26/09/2026, not a binding valuation.
Card text & stats
- Retreat cost
- 0
Track this card in your collection
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Market indicator (Cardmarket trend via TCGdex), not a binding valuation. Prices as of 26/09/2026. Holo and Reverse Holo share one price series on Cardmarket.
Not in your collection yet.