Professor's Research (Professor Magnolia)
Rare Rainbow · Sword & Shield
$4.11
4,27 €
⚡ Arbitrage Spread 🇪🇺↑ 11.4%
EU is 11.4% 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 Magnolia) is card swsh1-209 from Sword & Shield, released February 2020. It is a Rare Rainbow Colorless-type trainer. Within the set, it ranks #33 by EU market value across 216 cards with active pricing.
Sword & Shield contains 216 tracked cards, of which 8 share the Rare Rainbow tier. The most valuable card in the set is currently Snorlax VMAX at 86,23 € on the EU market.
Over the last 36 days, the EU market price has fallen 22.2%, currently trading at 4,28 €. It peaked at 5,50 € on Apr 13, 2026.
There's a notable cross-region price spread. US (TCGPlayer) is $4.11; EU (CardTrader, NM EN) is 4,28 €. At the current FX that's a 11.7% EU premium — flippers would buy on TCGPlayer and sell on CardTrader, net of fees and shipping.
Similarly priced Rare Rainbow cards in Sword & Shield
Price History
| Date | US (USD) | EU (EUR) | Source |
|---|---|---|---|
| May 12, 2026 | $4.11 | 4,28 € | tcgcsv |
| May 12, 2026 | $4.20 | 4,33 € | tcgcsv |
| May 11, 2026 | $4.23 | 4,33 € | tcgcsv |
| May 10, 2026 | $4.27 | 4,33 € | tcgcsv |
| May 9, 2026 | $4.30 | 4,33 € | tcgcsv |
| May 8, 2026 | $4.30 | 4,33 € | cardtrader |
| May 7, 2026 | $4.30 | 5,38 € | tcgcsv |
| May 6, 2026 | $4.26 | 5,38 € | tcgcsv |
| May 5, 2026 | $4.26 | 5,38 € | tcgcsv |
| May 4, 2026 | $4.63 | 5,38 € | cardtrader |
| May 3, 2026 | $4.63 | 5,38 € | cardtrader |
| May 2, 2026 | $4.63 | 4,80 € | cardtrader |
| May 1, 2026 | $4.63 | 4,80 € | cardtrader |
| Apr 30, 2026 | $4.63 | 4,80 € | cardtrader |
| Apr 29, 2026 | $4.63 | 4,80 € | cardtrader |
| Apr 20, 2026 | $4.63 | 4,92 € | tcgcsv |
| Apr 19, 2026 | $4.56 | 4,92 € | tcgcsv |
| Apr 18, 2026 | $4.55 | 4,92 € | tcgcsv |
| Apr 17, 2026 | $4.67 | 5,42 € | tcgcsv |
| Apr 16, 2026 | $4.67 | 4,92 € | cardtrader |
| Apr 16, 2026 | $4.67 | 5,42 € | tcgcsv |
| Apr 15, 2026 | $4.61 | 5,42 € | tcgcsv |
| Apr 14, 2026 | $4.68 | 5,42 € | tcgcsv |
| Apr 13, 2026 | $4.68 | 5,50 € | tcgcsv |
| Apr 12, 2026 | $4.68 | 5,42 € | cardtrader |
| Apr 12, 2026 | $4.68 | 5,50 € | tcgcsv |
| Apr 11, 2026 | $4.69 | 5,50 € | tcgcsv |
| Apr 10, 2026 | $4.71 | 5,50 € | tcgcsv |
| Apr 8, 2026 | $4.71 | 5,50 € | tcgcsv |
| Apr 8, 2026 | $4.71 | 5,50 € | pokemontcg |
| Apr 6, 2026 | $4.57 | 5,50 € | pokemontcg |