Mewtwo GX

Battle Academy · #31/236 · Promo · 2020

All 266 Mewtwo cards ranked by value →

$9.59

Market price ▼ 6.2% (30d)

Prices as of Nov 6, 2026

1,283graded pop

25%gem rate

14.4×PSA 10 vs raw

+$18.36EV to grade — marginal

Market data

Price history

Mewtwo Stamped▼ 0.1% 7d

Low $4.50Mid $9.63

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Graded market

Graded values

PSA 10 report →updated 2026-11-06

Grade 6 est.$4.74

Grade 5 est.$3.99

Grade 4 est.$3.29

Grade 3 est.$2.74

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$137.80

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

Graded population census · updated 2026-09-17

PSA1,283 graded · 318 gem 10

12345678910

Population data from PriceCharting, updated monthly.

Auction sale integrity

New

Graded sales for this card from public auctions, each checked for shill/relist patterns and prices that don’t match the market. How this works →

Clean price · CGC 9.5

$16.80

Medium confidence — 2 sales

Recent sale price by grade · tracked by cert number

CGC 9.5

$14.00

last $13.00 · Aug 24, 2026 · 2 sales

CGC 9

$8.00

last $8.00 · Aug 10, 2026 · 1 sale

CGC 6

$6.00

last $6.00 · Aug 10, 2026 · 1 sale

Unconfirmed

CGC 9.5 · 2 bids · Aug 24, 2026

$13.00

Unconfirmed

CGC 9.5 · 4 bids · Aug 17, 2026

$15.00

Unconfirmed

CGC 9 · 3 bids · Aug 10, 2026

$8.00

Unconfirmed

CGC 6 · 2 bids · Aug 10, 2026

$6.00

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More Mewtwo cards all 266 ranked by value →

Mega Mewtwo EXRed Flash · 2015$170.00

Mewtwo δDelta Species · 2005$746.84

Mewtwo-GXShining Legends · 2017$812.63

MewtwoExpedition Base Set · 2002$479.53

Mewtwo exEX Ruby and Sapphire · 2003$746.79

MewtwoPokémon Rumble · 2009$650.00

How much is Mewtwo GX #31/236 worth?

As of November 6, 2026, Mewtwo GX #31/236 from Battle Academy sells for around $9.59 in raw, ungraded condition.

Grading changes the math on this one: a PSA 10 is valued around $137.80, roughly 14.4x the raw price, while a PSA 9 sits near $24.99. 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→