Mewtwo GX

Battle Academy · #31/236 · Promo · 2020

$10.61

Market price ▼ 5.6% (30d)

Prices as of Aug 14, 2026

1,283graded pop

25%gem rate

11.6×PSA 10 vs raw

-33%off ATH $7.49 · Sep 2024

+$11.38EV to grade — marginal

Market data

Price history

Mewtwo Stamped▼ 3.6% 7d

Low $4.00Mid $10.77

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Graded market

Graded values

PSA 10 report →updated 2026-08-14

Grade 6 est.$4.75

Grade 5 est.$4.00

Grade 4 est.$3.30

Grade 3 est.$2.75

Grade 2 est.$2.25

Grade 1 est.$1.90

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$122.83

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-07-08

PSA1,283 graded · 318 gem 10

12345678910

Population data from PriceCharting, updated monthly.

How much is Mewtwo GX #31/236 worth?

As of August 14, 2026, Mewtwo GX #31/236 from Battle Academy sells for around $10.61 in raw, ungraded condition.

Grading changes the math on this one: a PSA 10 is valued around $122.83, roughly 11.6x the raw price, while a PSA 9 sits near $22.00. 1,283 copies have been graded to date, and 25% of them came back a 10 — worth knowing before you pay grading fees.

These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.

Collecting Battle Academy?Full master set guide — every card, chase list, and completion cost→