Mewtwo GX
Hidden Fates · #31/68
Mewtwo GX (31/68), the Ultra Rare from Hidden Fates, has an estimated ungraded market price of about $8–$11.
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 Mewtwo GX
Mewtwo GX is a Ultra Rare (31/68) from the Pokémon Hidden Fates set, released August 23, 2019. Ungraded copies currently trade at an estimated market price of $8–$11. The artwork is by aky CG Works. Riffle tracks its market price daily; graded (PSA) comps and full price history are available with Riffle.
Details
Other versions of Mewtwo GX
Mewtwo GX appears on 5 different cards across the sets Riffle tracks, at very different values. This page covers #31/68 from Hidden Fates; the collector number printed at the bottom of the card tells them apart.
FAQ
How much is Mewtwo GX (31/68) worth?
Mewtwo GX (31/68), the Ultra Rare from Hidden Fates, has an estimated ungraded market price of about $8–$11. Note: 4 other cards named Mewtwo GX exist across the sets Riffle tracks, at very different values; check the collector number.
Which Mewtwo GX card is this, and how do I tell the versions apart?
This page covers Mewtwo GX (31/68), the Ultra Rare (about $8–$11) from Hidden Fates.
The other versions: #78/73 from Shining Legends (Secret Rare, about $660–$850); #76/73 from Shining Legends (Secret Rare, about $75–$105); #72/73 from Shining Legends (Ultra Rare, about $25–$33); #39/73 from Shining Legends (Ultra Rare, about $10–$13).
The collector number printed at the bottom of the card is the reliable way to tell them apart.
Should I grade Mewtwo GX (31/68)?
Ahead after fees: with a 58% PSA 10 gem rate and current graded prices, grading a near-mint Mewtwo GX (31/68) is estimated to net about $43 more than selling it raw (est.).
Assumes ~$25/card bulk-rate grading (standard service costs more); ignores turnaround time, sub-9 grades, and shipping. A screen, not a promise.
Is Mewtwo GX (31/68) rare?
Mewtwo GX (31/68) is a Ultra Rare. PSA has graded 7,575 copies to date, so graded supply is measurable and growing.
How rare is a PSA 10 Mewtwo GX (31/68)?
Of the 7,575 copies PSA has graded, 58% 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.
More from Hidden Fates
Should I grade Mewtwo GX?
Ahead after fees: grading nets ≈ +$43 vs selling raw (est.)
Expected grading return from this card’s 58% PSA 10 gem rate and current graded market prices, minus a ~$25/card bulk-rate grading fee, compared against selling ungraded at market price. Standard grading service costs more; centering risk, sub-9 grades, turnaround time, and shipping aren’t included. The exact PSA 9/10 prices behind this are part of Riffle premium. Not financial advice.
PSA population & gem rate
From the PSA population census, captured monthly by Riffle. Grade-by-grade population and pop-over-time appear with Riffle premium.
- $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.
- 728 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 →