How much is a PSA 10 Groudon EX #XY42?

A PSA 10 Groudon EX #XY42 from Pokemon Promo is currently priced at $211 based on completed sales tracked on PokeInvest.

Is grading Groudon EX #XY42 worth it?

With a raw price of $8 and a PSA 10 selling for $211, grading Groudon EX #XY42 has a potential gross margin of $203 before PSA fees (from $59.99 a card, more for higher declared values). Use the PokeInvest PSA Calculator for a full ROI breakdown.

PSA 9 vs PSA 10 Groudon EX #XY42: what's the price difference?

A PSA 10 Groudon EX #XY42 sells for about $211 versus about $76 for a graded 9 (PSA, CGC and BGS 9 sales combined), so the 10 carries a 2.8x premium based on recent sales tracked on PokeInvest.

What's the raw price of Groudon EX #XY42?

The raw (ungraded) price of Groudon EX #XY42 from Pokemon Promo is currently $14, based on live market data tracked daily by PokeInvest.

Home / Promo / XY Black Star Promos / Groudon EX #XY42

Groudon EX #XY42

Groudon EX #XY42 (Promo) sells for about $8.41 ungraded and $211 in PSA 10. PSA has graded 169 copies, 9 of them 10s. Prices are medians of completed sales, updated November 11, 2026.

Pokemon Promo

Market price

$8.41

14 sales · latest 4 days ago

Sales we held out are listed below, not counted here.

14 sold in 43 days · latest 4 days ago

$4.99 $24.99

3 sales well outside the rest ($23.09, $24.99, $22.99). A median is barely moved by them, which is why it is the number shown.

Every sale is a completed listing. Click any line to open it.

Price by grade

1 from real sales · 4 est

Grade	PSA	CGC	BGS	SGC
10	$211.00 est · pop 9	$84.00 est · pop 1	$274.00 est	$127.00 est

Medians of completed sales — click one to see them. Arrows compare the last 90 days with the period before. last sold means one or two sales, so we show the most recent one rather than a median. est is an estimate we have not confirmed. pop is how many exist at that grade. How we price

Grade it? 5% of 169 PSA-graded copies came back a 10. Raw $8.41 → PSA 10 $211.00 est. Expected value after PSA's fee ($60): $-49.20 per copy.

Run the full math → Is yours a 10? Pre-grade it, $3 or we grade it for you, $27

Sales volume: Top 40% of cards

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$

Promo card

Part of the XY Black Star Promos. See the whole set →

Handed out with Legends of Hoenn Tins.

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Price History

Raw PSA 10

Graded by

PSA

169

graded

5.3%

9 in PSA 10

CGC

82

graded

1.2%

1 at 10 or better

How CGC grades work

CGC grades above 9: Pristine sits above Gem Mint, Perfect above that.

Gem Mint 10 1 9 9

These are two different pools of submissions, so this compares what each grader did, not what either would do with the same card.

Population Distribution

PSA 10 9

PSA 9 23

PSA 8 32

PSA 7 25

PSA 6 35

PSA 5 25

PSA 4 9

PSA 3 7

PSA 2 1

PSA 1 3

CGC Gem Mint 10 1

CGC 9 9

CGC 8.5 11

CGC 8 10

CGC 7.5 11

CGC 7 11

CGC 6.5 1

CGC 6 7

CGC 5.5 4

CGC 5 4

CGC 4.5 2

CGC 4 3

CGC 3.5 2

CGC 3 1

CGC 2.5 1

CGC 1.5 1

CGC Authentic 3

82 graded by CGC

Need these prices and population counts in a spreadsheet or app? PokeInvest Data API

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