Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.
PSA 10 price history$2,550.00
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-07-07
PSA3,453 graded · 1,444 gem 10
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CGC334 graded · 94 gem 10
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Population data from PriceCharting, updated monthly.
Attacks
40×Ditch and Splash
Discard any number of Supporter cards from your hand. This attack does 40 damage for each card you discarded in this way.
10+Thrilling Times-GX
Flip a coin. If heads, this attack does 100 more damage. If this Pokémon has at least 6 extra Water Energy attached to it (in addition to this attack's cost), flip 10 coins instead, and this attack does 100 more damage for each heads. (You can't use more than 1 GX attack in a game.)
How much is Slowpoke & Psyduck-GX #218/236 worth?
A raw copy of Slowpoke & Psyduck-GX #218/236 (Unified Minds, 2019) is worth about $306.63 right now, based on the latest market data from August 14, 2026.
Grading changes the math on this one: a PSA 10 is valued around $2,550.00, roughly 8.3x the raw price, while a PSA 9 sits near $508.88. 3,453 copies have been graded to date, and 42% of them came back a 10 — worth knowing before you pay grading fees.
These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.
Unified Minds · #218/236 · Rare Ultra · 2019
