Pheromosa GX
Ultra Prism · #140/156
Pheromosa GX (140/156), the Ultra Rare from Ultra Prism, has an estimated ungraded market price of about $18–$24.
As of July 20, 2026 · tracked daily by Riffle · estimates, not financial advice · how these numbers work
Image © The Pokémon Company, shown for identification.
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 Pheromosa GX
Pheromosa GX is a Ultra Rare (140/156) from the Pokémon Ultra Prism set, released February 2, 2018. Ungraded copies currently trade at an estimated market price of $18–$24. The artwork is by 5ban Graphics. Riffle tracks its market price daily; graded (PSA) comps and full price history are available with Riffle.
Details
Other versions of Pheromosa GX
Pheromosa GX appears on 2 different cards across the sets Riffle tracks, at very different values. This page covers #140/156 from Ultra Prism; the collector number printed at the bottom of the card tells them apart.
FAQ
How much is Pheromosa GX (140/156) worth?
Pheromosa GX (140/156), the Ultra Rare from Ultra Prism, has an estimated ungraded market price of about $18–$24. Note: 1 other card named Pheromosa GX exists across the sets Riffle tracks, at very different values; check the collector number.
Which Pheromosa GX card is this, and how do I tell the versions apart?
This page covers Pheromosa GX (140/156), the Ultra Rare (about $18–$24) from Ultra Prism.
The other version: #158/156 from Ultra Prism (Secret Rare, about $16–$22).
The collector number printed at the bottom of the card is the reliable way to tell them apart.
More from Ultra Prism
Grading
A grading read appears once Pheromosa GX has a PSA population census. Riffle captures the census monthly; this card doesn’t have enough graded copies on record yet.
- $18–$24 is the middle 80% of clean market activity, not the cheapest listing and not the most hopeful one.
- The band spans about ±14% around its midpoint: a moderate spread.
- 57 clean listings back today’s basis, with storefront and lot noise excluded.
- Sampled daily since July 20, 2026, current as of July 20, 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 →