Professor Oaks New Theory (101/123) from HeartGold SoulSilver (POKEMON) is available from 2 stores across 2 regions. Cheapest at $0.90 from tcgplayer (US) — 99% cheaper than EU. Prices last updated Jun 15, 2026.
pokemon
Professor Oaks New Theory
HeartGold SoulSilver
- Collector #
- 101/123
- Rarity
- Uncommon
- Set
- HS
5 platforms1 condition
7d Change
-86.0%
$-5.52
Lowest Price
$0.90
TCGPlayersave $131.01
Stores
3
eBay DE, eBay UK, TCGPlayer
Price Range
$0.90 – $131.91
Prices
Buy Now or Wait?
Buy NowConfidence90%
- •Price dropped 86% in the last 7 days.
- •Price is down 86% over 30 days.
- •Available on 5 platforms — competitive pricing.
Based on recent price trends. Not financial advice.
Price History
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Profit Calculator
Buy Total (USD)
$1.51
Seller Fees
-$13.82
Net Profit
+$116.58
ROI
+7720.5%
Break-even sell price: $2.02 on tcgplayer
