Pokémon TCG · Professor Program Promos · #189
Professor's Research (2023) #189 price
Professor Program Promos189Market prices
90-day range · TCGplayer
Professor's Research (2023) (#189, Promo) is a card from Pokémon set Professor Program Promos. Near Mint, it has a market price of about $13.52 on TCGplayer and €7.41 on Cardmarket (updated November 6, 2026). Over the last 7 days, its TCGplayer market price rose 0.0% and the Cardmarket price trend fell 7.7%. Over the last 30 days, its TCGplayer market price fell 0.1% and the Cardmarket price trend fell 18.7%. Over the last 90 days, its TCGplayer market price rose 6.3% and the Cardmarket price trend fell 43.2%. Its 90-day TCGplayer market price range is $12.26 to $13.89. Its 90-day Cardmarket price trend range is €7.41 to €13.04. Among the 49 Promo cards of Professor Program Promos, it is the 37th most valuable. Converted to dollars, its Cardmarket price is 39.3% lower than its TCGplayer price.
Professor's Research (2023) #189 prices by finish
| Finish | TCGplayer | Cardmarket |
|---|---|---|
| Reverse Holo | $13.52 | €7.41 |
Near Mint prices: TCGplayer market price, Cardmarket price trend, updated November 6, 2026.
Price changes by finish
| Finish | Price | 7 days | 30 days | 90 days | 90-day range |
|---|---|---|---|---|---|
| Reverse Holo | TCGplayer market price | +0.0% | −0.1% | +6.3% | $12.26 – $13.89 |
| Reverse Holo | Cardmarket price trend | −7.7% | −18.7% | −43.2% | €7.41 – €13.04 |
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
- 189
- Rarity
- Promo
- Finishes
- Reverse Holo
- Rank in its rarity
- 37th of 49 Promo cards
- Against its rarity’s median
- 0.7× the median ($19.84)
- Cardmarket vs TCGplayer
- −39.3% after conversion ($1.1081 per euro)
- 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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Other Professor's Research (2023) cards in Professor Program Promos
- Professor's Research (2023)#190 · Promo · $45.50Open in Sparkl
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Next to Professor's Research (2023) #189 in Professor Program Promos
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