Professor Oak's New Theory 101

HeartGold & SoulSilver · Uncommon · prices dated 09/21/2026

$6.96

Raw market price. As of September 21, 2026 PT. Source: daily market snapshot. Estimate, not an appraisal.

Last 76 days

Up $0.04 (0.6 percent) across the 76 days shown. Daily raw market marks from 07/08/2026 to 09/21/2026.

All HeartGold & SoulSilver prices · All Pokémon sets