Mewtwo EX

The Best of XY · #42/171 · None · 2017JPN

$18.50

Market price ▲ 0.0% (1Y)

Prices as of Jul 27, 2026

486graded pop

79%gem rate

11.3×PSA 10 vs raw

0%off ATH $14.93 · Jul 2026

+$129.81EV to grade — worth it

Price history

Holofoil▲ 0.0% 7d$18.50

Low $17.50Mid $21.92High $49.99

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Graded values

updated 2026-07-27

Grade 6 est.$14.18

Grade 5 est.$11.94

Grade 4 est.$9.85

Grade 3 est.$8.21

Grade 2 est.$6.72

Grade 1 est.$5.67

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$209.78

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

Graded population census · updated 2026-07-07

PSA410 graded · 322 gem 10

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CGC76 graded · 62 gem 10

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Population data from PriceCharting, updated monthly.

How much is Mewtwo EX #42/171 worth?

Mewtwo EX #42/171 is a None Japanese card from The Best of XY (2017) — today it trades at roughly $18.50 ungraded.

Grading changes the math on this one: a PSA 10 is valued around $209.78, roughly 11.3x the raw price, while a PSA 9 sits near $36.00. 410 copies have been graded to date, and 79% of them came back a 10 — worth knowing before you pay grading fees.

Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.