Gym Deck 1998 (GDX) carries a total slabbed market cap of $42.6K as of Nov 13, 2026. TCGBerg tracks a fair value for 55 card and grade combinations in the set.
How Gym Deck 1998’s implied slabbed market cap splits across its cards.
Poke Ball #P-POKEBALL15.7%
Switch #P-SWITCH15.7%
Pluspower #P-PLUSPOWER10.2%
Pokemon Center #P-POKEMONCENTER9.9%
Other 37 atoms48.5%
Top 5 shareCombined market cap of the five largest printings, as a share of the set total. Computed across every priced printing, not just the ones charted above.
60.3%
of total set cap
Gini indexHow evenly market cap is spread across the set. 0 means every printing carries an equal share; 1 means a single printing carries all of it.
0.27
broadly spread
Graded sales 30dVerified graded sales recorded across the whole set in the trailing 30 days. It is what the fair values above are computed from.
4
across all atoms
Set 30dHow the whole set's implied market cap moved over the last 30 days, weighted by cap: the total now against the total 30 days ago across the same atoms, so the biggest cards drive it. It is not an average of the per-card moves above, which are only the tails.
+4.7%
cap-weighted
Cap composition: the top card is 15.7% of set cap and the top 5 printings make up 60.3%.
Market cap composition
How the implied slabbed cap splits across cards. Poke Ball #P-POKEBALL anchors 15.7% of total.
Poke Ball #P-POKEBALL15.7%
Switch #P-SWITCH15.7%
Pluspower #P-PLUSPOWER10.2%
Pokemon Center #P-POKEMONCENTER9.9%
Potion #P-POTION8.9%
Other 32 atoms39.7%
Gym Deck 1998 chase cards
The most valuable cards in Gym Deck 1998, ranked by PSA 10 value. Values are model estimates from recorded sales.
Browse the Gym Deck 1998 card list by name, number and printing. Looking for the most valuable chase cards? Choose a condition or grade and . Open a card for its price history and recorded sales.
Gym Deck 1998 (GDX) carries a total slabbed market cap of $42.6K as of Nov 13, 2026. TCGBerg tracks a fair value for 55 card and grade combinations in the set. Poke Ball #P-POKEBALL · PSA 10 anchors the set at 14.8% of its total cap.
Historical context
A JA release; its release date is not recorded on the terminal.
Market overview
Cap is concentrated: the largest card-grade position is 14.8% and the top 5 make up 53.4% of set cap. The set's cap-weighted fair-value confidence is low (22/100). It has seen 4 graded sales over the trailing 30 days.
Frequently asked
What are the chase cards in Gym Deck 1998?
Ranked by PSA 10 fair value, the most valuable Gym Deck 1998 cards on TCGBerg are Poke Ball #P-POKEBALL ($314.93), Pluspower #P-PLUSPOWER ($148.92), Pokemon Center #P-POKEMONCENTER ($135.65), Energy Retrieval #P-ENERGYRETRIEVAL ($99.80) and Switch #P-SWITCH ($99.19). Values are model estimates from recorded sales and change as the market moves; open a card for its sales evidence and graded values.
What is included in the Gym Deck 1998 card list?
This list covers 12 catalog printings. Editions and finishes can have separate entries for the same card number. Prices appear where valuation or sales evidence is available; an unpriced entry does not mean the card is worth zero.
How do I compare Gym Deck 1998 card prices?
Match the card number, printing and condition before comparing values. Use raw condition prices for ungraded copies, and the same grading company and grade for slabs. Open a card to check the available price history, recorded sales and sales evidence.
