
Professor Oak's New Theory
HeartGold & SoulSilver · #101 · Uncommon · Illus. Ken Sugimori · 2010
Market insight
The reverse-holo printing of Professor Oak's New Theory has appreciated 70.4% over the past year, reaching $6.92, while the standard normal printing trades at $0.90 with minimal movement over the same period. The reverse-holo variant has traded in a wide range from $3.06 to $6.92, reflecting greater volatility compared to the normal printing's $0.65–$0.98 range. This significant valuation gap underscores collector demand for the reverse-holo version of this card.| Printing | Price | 30d | 90d | 1y | Range |
|---|---|---|---|---|---|
| standard · reverse-holo | $6.92 | ▲ 0% | ▲ 0% | ▲ 70.4% | $3.06 – $6.92 |
| standard · normal | $0.9 | ▲ 0% | ▲ 1.1% | ▲ 15.4% | $0.65 – $0.98 |
Current listings — standard · reverse-holo
$4
Lowest ask
$6.92
Market price
The lowest current asking price is 42.2% under the market price. Market price is TCGplayer’s smoothed sale-based estimate; asks are what sellers are listing at right now.