Professor's Research, Pokémon card

Image © The Pokémon Company, shown for identification.

Secret Rare

Professor's Research

Pokémon GO · #084/78

Professor's Research (084/78), the Secret Rare from Pokémon GO, has an estimated ungraded market price of about $9.50, typically in the $8–$11 range.

As of September 14, 2026 · tracked daily by Riffle · estimates, not financial advice · how these numbers work

Market price · ungraded · est.
$9.50
typically $8–$11as of September 14, 2026 · est.cooling off
Riffle Fair Price · model

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.

eBay market activity

Last 30 days of clean eBay listings for Professor's Research · as of Sep 3

0.6sold / day
3.1new / day
172active now
30%sell-through
Demand pressure0.4%
2%5%10%15%
heavy supplyvery tight
Pressure change+12%
0
lower pressurehigher pressure
Active supply New in Sold out (est.) Expired

The line tracks standing active listings (note the zoomed scale). Bars below split each day’s turnover around zero: new listings arriving above, listings leaving below, sold vs expired. Empty days had no capture. Demand pressure is estimated units sold per day as a share of active listings. Estimated eBay units, counts only, tracked daily by Riffle. The exact price history behind these is part of Riffle premium.

Latest eBay listings

17 of 172 clean matches · lowest landed price first · live asking prices, not sold prices

Clean matches only: lots, bundles, and likely wrong-item listings are excluded. Auction prices are the current bid. Riffle may earn a commission from eBay on qualifying purchases made through these links, at no cost to you.

About Professor's Research

Professor's Research is a Secret Rare (084/78) from the Pokémon Pokémon GO set, released July 1, 2022. Ungraded copies currently trade at an estimated market price of $8–$11. The artwork is by Yusuke Kozaki. Riffle tracks its market price daily; graded (PSA) comps and full price history are available with Riffle.

FAQ

How much is Professor's Research (084/78) worth?

Professor's Research (084/78), the Secret Rare from Pokémon GO, has an estimated ungraded market price of about $9.50, typically in the $8–$11 range. 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 (084/78), the Secret Rare (about $8–$11) from Pokémon GO.

The other versions: #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); #189/198 from Scarlet & Violet (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); #124/131 from Prismatic Evolutions (Common, about under $1); #122/131 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.

Is Professor's Research (084/78) rare?

Professor's Research (084/78) is a Secret Rare. PSA has graded 483 copies to date, so graded supply is measurable and growing.

How rare is a PSA 10 Professor's Research (084/78)?

Of the 483 copies PSA has graded, 49% earned a PSA 10. That's a fairly typical gem rate for a modern card. Grade-by-grade population and pop-over-time appear with Riffle premium.

PSA population & gem rate

PSA population
483 graded
Gem rate
49% graded PSA 10
Census as of
July 20, 2026

From the PSA population census, captured monthly by Riffle. Grade-by-grade population and pop-over-time appear with Riffle premium.

Why this estimate
  • $8–$11 is the middle 80% of clean market activity, not the cheapest listing and not the most hopeful one.
  • The band spans about ±16% around its midpoint: a moderate spread.
  • 172 clean listings back today’s basis, with storefront and lot noise excluded.
  • Sampled daily since July 20, 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 →

Graded (PSA) and sealed-product prices via PriceCharting.