Mega Gengar EX

XY Promos · #79/78 · Common · 2013JPN

$220.00

Market price ▲ 0.0% (1Y)

Prices as of Aug 14, 2026

3,248graded pop

58%gem rate

5.1×PSA 10 vs raw

-12%off ATH $187.20 · Aug 2026

+$574.07EV to grade — worth it

Market data

Price history

Holofoil

Low $220.00Mid $220.00High $220.00

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Graded market

Graded values

PSA 10 report →updated 2026-08-13

Grade 6 est.$165.38

Grade 5 est.$139.26

Grade 4 est.$114.89

Grade 3 est.$95.74

Grade 2 est.$78.34

Grade 1 est.$66.15

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$1,129.73

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

Graded population census · updated 2026-08-03

PSA3,157 graded · 1,841 gem 10

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CGC91 graded · 29 gem 10

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Population data from PriceCharting, updated monthly.

How much is Mega Gengar EX #79/78 worth?

A raw copy of Mega Gengar EX #79/78 (XY Promos, 2013) is worth about $220.00 right now, based on the latest market data from August 14, 2026.

Grading changes the math on this one: a PSA 10 is valued around $1,129.73, roughly 5.1x the raw price, while a PSA 9 sits near $397.50. 3,157 copies have been graded to date, and 58% 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 XY Promos?Full master set guide — every card, chase list, and completion cost→