Professor's Research [Professor Willow] (Secret)

Shops and show vendors commonly offer about 70% of market in cash and 80% in store credit. At today's $9.03 market price that is roughly $6.32 cash or $7.22 trade for a near-mint copy. Selling it yourself on TCGplayer or eBay nets more after fees; see the seller-net answer below.

Professor's Research [Professor Willow] (Secret) [Holofoil] has a TCGplayer market price of $9.03 as of 2026-10-28.

Professor's Research [Professor Willow] (Secret) #084/078 is holding steady: $9.03 today, flat over 30 days and 19% below its high of $11.15 (2025-04-04), the highest since we began tracking (2024-02-08), and 1.4x its low of $6.23 (2024-10-15). TCGplayer market price as of 2026-10-28, tracked daily since 2024-02-08. Other windows: down 2.3% over 7 days, up 1.0% over 90 days, up 3.9% over a year.

TickerMint began tracking Pokemon prices on 2024-02-08, after Professor's Research [Professor Willow] (Secret) came out, so these are the highest and lowest prices since we began tracking (2024-02-08), not all-time records. In TickerMint's daily data (since February 2024), the TCGplayer market price for Professor's Research [Professor Willow] (Secret) [Holofoil] (all conditions) peaked at $11.15 (2025-04-04) and bottomed at $6.23 (2024-10-15).