Pokémon TCG · Ruby & Sapphire · #21
Seaking #21 price
Ruby & Sapphire21Market prices
90-day range · TCGplayer
Seaking (#21, Rare) is a card from Pokémon set Ruby & Sapphire. Near Mint (Normal), it has a market price of about $1.01 on TCGplayer and €0.47 on Cardmarket (updated November 11, 2026). Over the last 7 days, its TCGplayer market price rose 0.0% and the Cardmarket price trend fell 20.3%. Over the last 30 days, its TCGplayer market price fell 1.0% and the Cardmarket price trend fell 25.4%. Over the last 90 days, its TCGplayer market price rose 0.0% and the Cardmarket price trend fell 10.5%. Its 90-day TCGplayer market price range is $0.99 to $1.07. Its 90-day Cardmarket price trend range is €0.40 to €1.00. Among the 13 Rare cards of Ruby & Sapphire, it is the 12th most valuable. Converted to dollars, its Cardmarket price is 48.4% lower than its TCGplayer price.
Seaking #21 prices by finish
| Finish | TCGplayer | Cardmarket |
|---|---|---|
| Normal | $1.01 | €0.47 |
| Reverse Holo | $26.51 | €7.57 |
Near Mint prices: TCGplayer market price, Cardmarket price trend, updated November 11, 2026.
Price changes by finish
| Finish | Price | 7 days | 30 days | 90 days | 90-day range |
|---|---|---|---|---|---|
| Normal | TCGplayer market price | +0.0% | −1.0% | +0.0% | $0.99 – $1.07 |
| Normal | Cardmarket price trend | −20.3% | −25.4% | −10.5% | €0.40 – €1.00 |
| Reverse Holo | TCGplayer market price | +0.0% | +7.4% | +71.4% | $15.47 – $27.01 |
| Reverse Holo | Cardmarket price trend | +0.0% | −11.2% | +94.6% | €3.89 – €8.94 |
Change of the same Near Mint price (same market, same finish) against 7, 30 and 90 days ago; range: its lowest and highest daily value over the last 90 days. Only where the price history supports a figure; lowest listings have none.
Price charts, graded prices from PSA, CGC, BGS, SGC, TAG and ACE, PSA population counts and recent sold listings are in Sparkl Pro.
About this card
- Number
- 21
- Rarity
- Rare
- Finishes
- Normal, Reverse Holo
- Rank in its rarity
- 12th of 13 Rare cards
- Against its rarity’s median
- 0.5× the median ($1.94)
- Cardmarket vs TCGplayer
- −48.4% after conversion ($1.1081 per euro)
- Finish spread
- Normal $1.01 to Reverse Holo $26.51 (26×, TCGplayer)
- Cheapest printing
- Seaking #45, Twilight Masquerade · $0.12
- Released
- July 1, 2003
- Print language
- English
- Character
- All Seaking cards
How this page is made: Near Mint prices from TCGplayer and Cardmarket, refreshed daily; ranks, medians and comparisons are computed by Sparkl from those prices.
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Next to Seaking #21 in Ruby & Sapphire
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More Seaking cards
- Seaking #59Aquapolis · $24.93
- Misty's Seaking #55Gym Heroes · $8.25
- Seaking #46Jungle · $4.88
- Seaking #37Neo Revelation · $3.22
- Seaking #43Supreme Victors · $1.72
- Seaking #24Deoxys · $1.47