Professor's Research (Professor Oak)
Rare Ultra · Celebrations
$1.43
2,60 €
⚡ Arbitrage Spread 🇪🇺↑ 49.4%
EU is 49.4% more expensive. Potential: buy on TCGPlayer (US), sell on CardTrader (EU).
FX rate: 1 USD = 0.9200 EUR
🏆 PSA Graded🇺🇸 eBay sold listings
PSA 10
No data
PSA 9
No data
PSA 8
No data
Price History — 30 days
About this card
Professor's Research (Professor Oak) is card cel25-24 from Celebrations, released October 2021. It is a Rare Ultra Colorless-type trainer. Within the set, it ranks #11 by EU market value across 25 cards with active pricing.
Celebrations contains 25 tracked cards. The most valuable card in the set is currently Palkia at 239,25 € on the EU market.
Over the last 36 days, the EU market price has risen 92.6%, currently trading at 2,60 €. It peaked at 40,52 € on May 7, 2026. The recent low was 1,35 € on Apr 13, 2026.
There's a notable cross-region price spread. US (TCGPlayer) is $1.43; EU (CardTrader, NM EN) is 2,60 €. At the current FX that's a 49.4% EU premium — flippers would buy on TCGPlayer and sell on CardTrader, net of fees and shipping.
Price History
| Date | US (USD) | EU (EUR) | Source |
|---|---|---|---|
| May 12, 2026 | $1.43 | 2,60 € | tcgcsv |
| May 12, 2026 | $1.17 | 2,60 € | tcgcsv |
| May 11, 2026 | $1.28 | 2,60 € | tcgcsv |
| May 10, 2026 | $1.21 | 2,60 € | tcgcsv |
| May 9, 2026 | $1.35 | 2,60 € | tcgcsv |
| May 8, 2026 | $1.36 | 2,60 € | cardtrader |
| May 7, 2026 | $1.36 | 40,52 € | tcgcsv |
| May 6, 2026 | $1.31 | 40,52 € | tcgcsv |
| May 5, 2026 | $1.50 | 40,52 € | tcgcsv |
| May 1, 2026 | $1.20 | 40,52 € | cardtrader |
| Apr 30, 2026 | $1.20 | 40,52 € | cardtrader |
| Apr 29, 2026 | $1.20 | 40,52 € | cardtrader |
| Apr 20, 2026 | $1.20 | 35,91 € | tcgcsv |
| Apr 19, 2026 | $1.26 | 35,91 € | tcgcsv |
| Apr 18, 2026 | $1.15 | 35,91 € | tcgcsv |
| Apr 17, 2026 | $1.11 | 35,21 € | tcgcsv |
| Apr 16, 2026 | $1.11 | 35,91 € | cardtrader |
| Apr 16, 2026 | $1.17 | 35,21 € | tcgcsv |
| Apr 15, 2026 | $1.24 | 35,21 € | tcgcsv |
| Apr 14, 2026 | $1.26 | 35,21 € | tcgcsv |
| Apr 13, 2026 | $1.09 | 1,35 € | tcgcsv |
| Apr 12, 2026 | $1.09 | 35,21 € | cardtrader |
| Apr 12, 2026 | $1.28 | 1,35 € | tcgcsv |
| Apr 11, 2026 | $1.31 | 1,35 € | tcgcsv |
| Apr 10, 2026 | $1.23 | 1,35 € | tcgcsv |
| Apr 8, 2026 | $1.23 | 1,35 € | tcgcsv |
| Apr 8, 2026 | $1.13 | 1,35 € | pokemontcg |
| Apr 6, 2026 | $1.31 | 1,35 € | pokemontcg |