Latest market snapshots place Tentacool in Fossil at roughly $1.90. Over the last 7 days it declined 2.6%.
It is currently 7.1% below the 30-day average of $2.05. Its 90-day trading band runs between $0.96 and $2.17, producing a 64% range and high-volatility behavior.
This version is categorized as Common.
Pricing context for collectors: Week-over-week movement is negative (2.6%); this leaves value 12% under the 90-day peak. Observed 90-day bounds of $0.96 and $2.17 create a 64% band, matching a high-volatility profile.
Versus the 30-day average ($2.05), the card is trading 7.1% lower. Top-grade copies show substantial separation from raw: PSA 10 is pricing +7212% above the current raw benchmark.
PSA 9 is currently around $28.99, while PSA 10 is $138.93.
Tentacool is a Fossil card from the 1999 release window. The printed flavor text states: "Drifts in shallow seas.
Anglers who hook them by accident are often punished by its stinging acid." Core profile: Its card type is Pokémon. The rarity label is Common.
Printed HP is 30. Energy typing is Water.
It carries a Basic subtype designation. Notable ability on this print: "Cowardice".
Collectors tracking Tentacool often benchmark it against other Tentacool cards. Comparable entries in this snapshot: 6 cards, 5 distinct sets.
Observed alternatives run from $0.07 to $0.62 (786% spread). The current card sits +850% versus the sampled alternative average of $0.20.
Notable alternatives include Tentacool #71 (Primal Clash) at $0.62, Tentacool #70 (Primal Clash) at $0.16, Tentacool #26 (Evolving Skies) at $0.07, and Tentacool #72 (151) at $0.07.
Fossil entered circulation in 1999. Series classification for this set is Base.
Set size is 62 cards, which categorizes Fossil as compact. As of 2026, the set is 27 years old and fits a legacy-era profile.
Within this set, Tentacool is card number 56 with a Common designation.
