Holofile
Gastrodon 29/114 Steam Siege

STEAM SIEGE

Gastrodon 29/114

Gastrodon is card 29/114 in Steam Siege (STS), a XY set, released on August 3, 2016. It’s a Rare illustrated by Aya Kusube. It comes in 2 printings: Normal and Reverse Holo. A Near Mint Normal copy has a market price of $0.60 as of October 17, 2026, unchanged over 30 days.

Market price · Near Mint · Normal

$0.600% in 30 days

Jul 19, 2026 · $0.53Low $0.53 · High $0.61Oct 17, 2026 · $0.60

As of October 17, 2026. Prices are estimates from third-party market data and are not offers to buy or sell. Holo10 in the Holofile app adds 6-month, 1-year and all-time charts.

Number
29/114
Rarity
Rare
Pokémon
Gastrodon
Released
August 3, 2016

Printings and prices

Normal

Ungraded
ConditionMarket30 days
Near Mint$0.600%
Lightly Played$0.43+13%
Moderately Played$0.37+6%
Heavily Played$0.23+15%
Damaged$0.37−10%

Reverse Holo

Ungraded
ConditionMarket30 days
Near Mint$0.84+1%
Lightly Played$0.75+7%
Moderately Played$0.62+9%
Heavily Played$0.46−12%
Damaged$0.450%
Graded
GradeMarket30 days
PSA 10$35.000%
PSA 9$50.000%
CGC 9$4.000%

Market prices as of October 17, 2026: in US dollars unless marked. Prices are estimates from third-party market data and are not offers to buy or sell.