Pokémon TCG · Deoxys · #90
Professor Cozmo's Discovery #90 price
Deoxys90Market prices
90-day range · TCGplayer
Professor Cozmo's Discovery (#90, Uncommon) is a card from Pokémon set Deoxys. Near Mint (Normal), it has a market price of about $0.57 on TCGplayer and €0.61 on Cardmarket (updated October 14, 2026). Over the last 7 days, its TCGplayer market price fell 1.7% and the Cardmarket price trend rose 64.9%. Over the last 30 days, its TCGplayer market price rose 5.6% and the Cardmarket price trend rose 27.1%. Over the last 90 days, its TCGplayer market price rose 23.9% and the Cardmarket price trend fell 3.2%. Its 90-day TCGplayer market price range is $0.46 to $0.58. Its 90-day Cardmarket price trend range is €0.34 to €0.70. Graded, a PSA 10 is worth about $143.65 and a PSA 9 about $57.04. Among the 34 Uncommon cards of Deoxys, it is the 31st most valuable. Converted to dollars, its Cardmarket price is 19.9% higher than its TCGplayer price.
Professor Cozmo's Discovery #90 prices by finish
| Finish | TCGplayer | Cardmarket |
|---|---|---|
| Normal | $0.57 | €0.61 |
| Reverse Holo | $16.82 | €2.97 |
Near Mint prices: TCGplayer market price, Cardmarket price trend, updated October 14, 2026.
Price changes by finish
| Finish | Price | 7 days | 30 days | 90 days | 90-day range |
|---|---|---|---|---|---|
| Normal | TCGplayer market price | −1.7% | +5.6% | +23.9% | $0.46 – $0.58 |
| Normal | Cardmarket price trend | +64.9% | +27.1% | −3.2% | €0.34 – €0.70 |
| Reverse Holo | TCGplayer market price | +122.8% | +128.8% | +142.7% | $6.93 – $16.82 |
| Reverse Holo | Cardmarket price trend | +0.7% | +0.7% | +8.4% | €2.56 – €2.99 |
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.
Follow your own copies, graded or raw, and what they are worth in Sparkl.
Professor Cozmo's Discovery #90 graded prices
| Grade | PSA | BGS | CGC | SGC |
|---|---|---|---|---|
| 10 | $143.65 | $187.00 | $12.23 | $86.00 |
| 9.5 | – | – | $15.60 | – |
| 9 | $57.04 | – | $29.99 | – |
| 8 | $15.50 | – | – | – |
US dollars, from recent graded sales and graded market prices.
PSA has graded 10 copies of this card: 4 earned a 10 (40%), 3 a 9, 1 an 8.
Professor Cozmo's Discovery #90 price history
Recent Professor Cozmo's Discovery #90 sales
| Sold | Copy | Price |
|---|---|---|
| Oct 4, 2026 | Raw | $10.00 |
| Sep 29, 2026 | Raw | $1.99 |
| Sep 16, 2026 | Raw | $17.83 |
| Sep 15, 2026 | Raw | $8.49 |
| Sep 6, 2026 | Raw | $7.99 |
| Aug 18, 2026 | Raw | $9.99 |
| Aug 15, 2026 | Raw | $3.78 |
| Aug 9, 2026 | Raw | $2.19 |
The latest 8 of 16 recent eBay sales.
About this card
- Set
- Deoxys
- Number
- 90
- Rarity
- Uncommon
- Finishes
- Normal, Reverse Holo
- Rank in its rarity
- 31st of 34 Uncommon cards
- Against its rarity’s median
- 0.4× the median ($1.30)
- Cardmarket vs TCGplayer
- +19.9% after conversion ($1.1208 per euro)
- Finish spread
- Normal $0.57 to Reverse Holo $16.82 (30×, TCGplayer)
- Released
- February 14, 2005
- Print language
- English
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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