Image © The Pokémon Company, shown for identification.
Professor's Research
Scarlet & Violet · #189/198
Professor's Research (189/198), the Rare from Scarlet & Violet, has an estimated ungraded market price of about $0.15.
As of September 14, 2026 · tracked daily by Riffle · estimates, not financial advice · how these numbers work
The modeled fair value of this card, with a confidence grade: what it should trade at, not just what it lists at. Part of Riffle premium, alongside price history and the full graded ladder.
About Professor's Research
Professor's Research is a Rare (189/198) from the Pokémon Scarlet & Violet set, released March 31, 2023. Ungraded copies currently trade at an estimated market price of under $1. The artwork is by kirisAki. Riffle tracks its market price daily; graded (PSA) comps and full price history are available with Riffle.
Other versions of Professor's Research
Professor's Research appears on 16 different cards across the sets Riffle tracks, at very different values. This page covers #189/198 from Scarlet & Violet; the collector number printed at the bottom of the card tells them apart.
Pokémon GO · #084/78$8–$11Secret Rare
Scarlet & Violet · #240/198$2–$3Ultra Rare
Pokémon GO · #078/78$2–$3Ultra Rare
Crown Zenith · #150/159$2–$3Ultra Rare
Scarlet & Violet · #241/198$1–$2Ultra Rare
Journey Together · #155/159under $1Common
Brilliant Stars · #147/172under $1Holo Rare
Paldean Fates · #087/91under $1Rare
Black Bolt · #085/86under $1Uncommon
Scarlet & Violet · #190/198under $1RareFAQ
How much is Professor's Research (189/198) worth?
Professor's Research (189/198), the Rare from Scarlet & Violet, has an estimated ungraded market price of about $0.15. Note: 15 other cards named Professor's Research exist across the sets Riffle tracks, at very different values; check the collector number.
Which Professor's Research card is this, and how do I tell the versions apart?
This page covers Professor's Research (189/198), the Rare (about under $1) from Scarlet & Violet.
The other versions: #084/78 from Pokémon GO (Secret Rare, about $8–$11); #240/198 from Scarlet & Violet (Ultra Rare, about $2–$3); #078/78 from Pokémon GO (Ultra Rare, about $2–$3); #150/159 from Crown Zenith (Ultra Rare, about $2–$3); #241/198 from Scarlet & Violet (Ultra Rare, about $1–$2); #155/159 from Journey Together (Common, about under $1); #147/172 from Brilliant Stars (Holo Rare, about under $1); #087/91 from Paldean Fates (Rare, about under $1); #085/86 from Black Bolt (Uncommon, about under $1); #190/198 from Scarlet & Violet (Rare, about under $1); #088/91 from Paldean Fates (Rare, about under $1); #122/131 from Prismatic Evolutions (Common, about under $1); #124/131 from Prismatic Evolutions (Common, about under $1); #123/131 from Prismatic Evolutions (Common, about under $1); #125/131 from Prismatic Evolutions (Common, about under $1).
The collector number printed at the bottom of the card is the reliable way to tell them apart.
More from Scarlet & Violet
Grading
A grading read appears once Professor's Research has a PSA population census. Riffle captures the census monthly; this card doesn’t have enough graded copies on record yet.
- under $1 is the middle 80% of clean market activity, not the cheapest listing and not the most hopeful one.
- The band spans about ±33% around its midpoint: a wide spread, so read it as a range, not a point.
- Sampled daily since July 28, 2026, current as of September 14, 2026.
When the data thins, the band widens and says so, it never fakes precision. Exact source prices are part of Riffle premium; the band is Riffle’s own figure to publish. How these numbers work →