Professor Oak's New Theory
HeartGold SoulSilver · #101/123 · Pokemon
PokemonHeartGold SoulSilverUncommon#101/123
TCGPlayer $0.89eBay $1.60
Updated Jul 31, 2026, 06:00 PM
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Market Price
$0.89
LowMarketHigh
$0.90$0.89$0.90
1-Day Avg$0.89
7-Day Avg$0.89
30-Day Avg$0.91
30d Trend2.0%
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$1.60
LowAvgHigh
$1.60$1.60$1.99
1-Day Avg$1.60
7-Day Avg$1.60
30-Day Avg$1.99
30d Trend19.6%
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Price History
Near Mint condition over the last year
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