Gastly

MEGA Starter Set Mega Gengar ex · #1/21 · None · 2025JPN

$0.58

Market price ▼ 1.7% (1Y)

Prices as of Jul 26, 2026

15graded pop

80%gem rate

68.9×PSA 10 vs raw

-5%off ATH $1.31 · May 2026

Price history

Normal▼ 1.7% 7d$0.58

Low $0.48Mid $0.57High $2.19

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Graded values

updated 2026-07-26

Grade 6 est.$1.19

Grade 5 est.$1.00

Grade 4 est.$0.83

Grade 3 est.$0.69

Grade 2 est.$0.56

Grade 1 est.$0.48

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$39.99

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

Graded population census · updated 2026-07-10

CGC15 graded · 12 gem 10

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Population data from PriceCharting, updated monthly.

How much is Gastly #1/21 worth?

As of July 26, 2026, Gastly #1/21 from MEGA Starter Set Mega Gengar ex sells for around $0.58 in raw, ungraded condition.

Grading changes the math on this one: a PSA 10 is valued around $39.99, roughly 68.9x the raw price, while a PSA 9 sits near $11.76. 15 copies have been graded to date, and 80% 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.