Chesnaught EX

XY Black Star Promos

Set: XY Black Star PromosNumber: XY18Updated 9/11/2026

Market price

$5.69

TCGPlayer

$5.69

eBay avg

$5.77

Variants

PSA 10

$149

PSA 9

$25

Variant

Price History

In the app

Price movement over time is available in the PokiFrame app.

eBay Sold Prices

7 sales

Raw7 sales · $3.02–$3.02

$5.77

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Graded Prices

3 sales

Average sold prices by grading company. Grades run 1–10 — a 10 (Gem Mint) carries the biggest premium, with PSA, CGC, and BGS the most widely traded grades.

109.598.58

PSA

$149

1 sold

$25

1 sold

About Chesnaught EX

Chesnaught EX is card XY18 from the XY Black Star Promos set.

The current TCGPlayer market price is $5.69. A PSA 10 (Gem Mint) copy recently averaged $148.99 — about 26.2× the ungraded price, showing how much professional grading can add to Chesnaught EX's value.

PokiFrame aggregates this data from TCGPlayer, CardMarket, and eBay so you can confirm Chesnaught EX's value before you buy, sell, or trade.

Browse more cards from XY Black Star Promos

Chesnaught EX — common questions

How much is Chesnaught EX worth?: Chesnaught EX from XY Black Star Promos has a market price of $5.69 for an ungraded copy, based on current TCGPlayer and eBay sales data. Condition, print variant and grading all move that number.
What is a PSA 10 Chesnaught EX worth?: Recent PSA 10 (Gem Mint) sales of Chesnaught EX averaged $148.99, about 26.2× the ungraded price. A PSA 9 averaged $24.92.