Machamp

Diamond and Pearl · #31/130 · Rare · 2007

$10.68
Reverse Holofoil · Market price 34.5% (30d)
Prices as of Jul 26, 2026
109graded pop
2%gem rate
598.0×PSA 10 vs raw
-80%off ATH $12.90 · Mar 2021
$2,499.95PSA 10 floor · 6 live
+$508.53EV to grade — worth it

Printings & price history

Reverse Holofoil 0.0% 7d$10.68
Low $5.09Mid $10.29

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Graded values

updated 2026-07-26
Grade 6 est.$5.69
Grade 5 est.$4.79
Grade 4 est.$3.95
Grade 3 est.$3.29
Grade 2 est.$2.70
Grade 1 est.$2.28

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

Reverse Holofoil · PSA 10 price history$135.27

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

Graded population census · updated 2026-07-07

Reverse Holofoil
CGC29 graded · 2 gem 10
PSA28 graded · 0 gem 10

Population data from PriceCharting, updated monthly.

How much is Machamp #31/130 worth?

A raw copy of Machamp #31/130 (Diamond and Pearl, 2007) is worth about $4.38 right now, based on the latest market data from July 27, 2026. Across the 2 printings we track, copies run anywhere from $1.40 to $99.90 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $6,387.15, roughly 1458.3x the raw price, while a PSA 9 sits near $435.00. 38 copies have been graded to date, and 0% of them came back a 10 — worth knowing before you pay grading fees.

We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Machamp has moved over time.