Professor's Research (Professor Oak)
Rare Holo · Celebrations
$0.31
0,50 €
⚡ Arbitrage Spread 🇪🇺↑ 43.0%
EU is 43.0% 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 cel25-23 from Celebrations, released October 2021. It is a Rare Holo Colorless-type trainer. Within the set, it ranks #21 by EU market value across 25 cards with active pricing.
Celebrations contains 25 tracked cards, of which 6 share the Rare Holo tier. 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 138.1%, currently trading at 0,50 €. It peaked at 0,53 € on Apr 20, 2026. The recent low was 0,21 € on Apr 13, 2026.
There's a notable cross-region price spread. US (TCGPlayer) is $0.31; EU (CardTrader, NM EN) is 0,50 €. At the current FX that's a 43.0% EU premium — flippers would buy on TCGPlayer and sell on CardTrader, net of fees and shipping.
Similarly priced Rare Holo cards in Celebrations
Price History
| Date | US (USD) | EU (EUR) | Source |
|---|---|---|---|
| May 12, 2026 | $0.31 | 0,50 € | tcgcsv |
| May 12, 2026 | $0.34 | 0,50 € | tcgcsv |
| May 11, 2026 | $0.28 | 0,50 € | tcgcsv |
| May 10, 2026 | $0.32 | 0,50 € | tcgcsv |
| May 9, 2026 | $0.34 | 0,50 € | tcgcsv |
| May 8, 2026 | $0.32 | 0,50 € | cardtrader |
| May 7, 2026 | $0.32 | 0,49 € | tcgcsv |
| May 6, 2026 | $0.26 | 0,49 € | tcgcsv |
| May 5, 2026 | $0.26 | 0,49 € | tcgcsv |
| May 1, 2026 | $0.25 | 0,49 € | cardtrader |
| Apr 30, 2026 | $0.25 | 0,49 € | cardtrader |
| Apr 29, 2026 | $0.25 | 0,50 € | cardtrader |
| Apr 20, 2026 | $0.25 | 0,53 € | tcgcsv |
| Apr 19, 2026 | $0.26 | 0,53 € | tcgcsv |
| Apr 18, 2026 | $0.26 | 0,53 € | tcgcsv |
| Apr 17, 2026 | $0.24 | 0,51 € | tcgcsv |
| Apr 16, 2026 | $0.24 | 0,53 € | cardtrader |
| Apr 16, 2026 | $0.25 | 0,51 € | tcgcsv |
| Apr 15, 2026 | $0.26 | 0,51 € | tcgcsv |
| Apr 14, 2026 | $0.25 | 0,51 € | tcgcsv |
| Apr 13, 2026 | $0.25 | 0,21 € | tcgcsv |
| Apr 12, 2026 | $0.25 | 0,51 € | cardtrader |
| Apr 12, 2026 | $0.29 | 0,21 € | tcgcsv |
| Apr 11, 2026 | $0.28 | 0,21 € | tcgcsv |
| Apr 10, 2026 | $0.28 | 0,21 € | tcgcsv |
| Apr 8, 2026 | $0.28 | 0,21 € | tcgcsv |
| Apr 8, 2026 | $0.29 | 0,21 € | pokemontcg |
| Apr 6, 2026 | $0.27 | 0,21 € | pokemontcg |