Tentacool

Tentacool #66/92 was printed 2 ways and each one sells separately: Reverse Holofoil $31.49; Normal $0.34 (TCGplayer market, 2026-10-29). Check the set, the rarity mark and any parallel foil, manga art or edition stamp on your copy to know which price is yours; TickerMint prices every printing on its own page.

Shops and show vendors commonly offer about 70% of market in cash and 80% in store credit. At today's $31.49 market price that is roughly $22 cash or $25 trade for a near-mint copy. Selling it yourself on TCGplayer or eBay nets more after fees; see the seller-net answer below.

Tentacool [Reverse Holofoil] has a TCGplayer market price of $31.49 as of 2026-10-29. Non-holo copies are $0.34.

Tentacool #66/92 is holding steady: $31.49 today, flat over 30 days and 38% below its high of $50.47 (2026-08-30), the highest since we began tracking (2024-02-08), but 20.6x its low of $1.53 (2024-04-22). TCGplayer market price as of 2026-10-29, tracked daily since 2024-02-08. Other windows: up 0.0% over 7 days, down 12.6% over 90 days, up 460.3% over a year.

TickerMint began tracking Pokemon prices on 2024-02-08, after Tentacool 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 Tentacool [Reverse Holofoil] (all conditions) peaked at $50.47 (2026-08-30) and bottomed at $1.53 (2024-04-22).