Gym Heroes · Rare Holo · #21

Brock's Onix

€9.42

24h+89.5%7d+3.3%30d+13.4%

Cardmarket EUR reference price (trend) · as of 2026-08-14. Not a sold-price record.

Recent trajectoryCardmarket rolling averages → now

Trend

€9.42

Low

€1.50

Avg sell

€8.70

24h avg

€4.97

7d avg

€9.12

30d avg

€8.31

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Daily / weekly / monthly changes compare the current Cardmarket trend price to its 1 / 7 / 30-day rolling average, a momentum read, not a guaranteed change or a sold-transaction record. Foilio is an unofficial fan project, not affiliated with The Pokémon Company or Cardmarket. Informational only, not financial advice.