High Pressure System

EX Battle Stadium · #85/109 · Uncommon · 2004

$1.50

Market price ▲ 0.0% (30d)

Prices as of Oct 15, 2026

87graded pop

18%gem rate

86.2×PSA 10 vs raw

-67%off ATH $4.59 · Aug 2025

+$15.23EV to grade — marginal

Market data

Price history

Normal▲ 0.0% 7d

Low $0.90Mid $1.48

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Graded market

Graded values

PSA 10 report →updated 2026-10-15

Grade 6 est.$2.70

Grade 5 est.$2.27

Grade 4 est.$1.87

Grade 3 est.$1.56

Grade 2 est.$1.28

Grade 1 est.$1.08

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$129.30

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

Graded population census · updated 2026-09-19

PSA46 graded · 1 gem 10

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CGC41 graded · 15 gem 10

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Population data from PriceCharting, updated monthly.

How much is High Pressure System #85/109 worth?

A raw copy of High Pressure System #85/109 (EX Battle Stadium, 2004) is worth about $1.50 right now, based on the latest market data from October 16, 2026.

Grading changes the math on this one: a PSA 10 is valued around $129.30, roughly 86.2x the raw price, while a PSA 9 sits near $22.00. 46 copies have been graded to date, and 2% 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 EX Battle Stadium?Full master set guide — every card, chase list, and completion cost→