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Brock price and historyThe live card page: price, chart and graded ladder.This week's biggest moversThe widest recorded moves across the catalog.All market reportsEvery card and set we publish a dossier on.How our calls scoredThe public ledger of every call, win or lose.Every Pokémon setThe full set index, oldest to newest.

Other Brock printings

Brock # · Leaders' Stadium

Research citing this card

Vintage Japanese Pokemon Card Prices, Set by SetQuant research · 10 min read

What stands out

Raw price higher than 86% of City Gym Decks.

Reference class: its set (City Gym Decks). Percentiles are recomputed nightly, by disclosed rule, from recorded data across every tracked card.

01The verdict block4 readings

What the fixed formulas say about the figures below, with the arithmetic shown.

Assay

Caution1Context3

Each stamp is one fixed formula applied identically to every card. Supportive and caution mark a reading that cuts the same way for anyone holding the card. Context marks a fact that is good news to a buyer and bad news to a holder, so the desk does not pick a side.

LiquidityCaution

FROZEN

Verified sales a week at PSA 10, from the daily graded tape.

Registry inflowContext

STEADY INFLOW

New slabs a week against the recorded PSA population.

Market floatContext

HEAVY LISTED FLOAT

Active raw listings divided by the PSA population.

Printing rankContext

PREMIUM PRINTING

This printing's raw price against every tracked printing of the Pokémon.

Every verdict is a disclosed formula over recorded data, applied with the same fixed thresholds to every card. No discretionary price forecasting is used, and the arithmetic is printed so it can be reproduced.

moonstone Pro

The full Brock dossier is sealed

Pro breaks the seal on our call: a stamped buy, hold, or sell and a 180-day target price on every rated card, each a disclosed formula over recorded data. Below is every section this dossier is holding back.

What this dossier is holding5 sealed sections

02
The call
The rating was refused on this card 2026-09-28 and the refusal states its reason; members read why in full.
03
The tape · verified sold medians
12 grades carry a verified sold median on this card, each with its sample size. Comps through 2026-09-27.
04
The registry
3 daily PSA population snapshots on file, 33 days of continuous history, drawn as a growth curve.
05
Sales velocity
3 grades carry a measured weekly sale rate, each over its own 12 day window.
06
The comparables
9 comparable cards across 2 reference sets, every row linked to its own dossier.

See a full report, freeMew exPaldean Fates · open to everyone, nothing sealed

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1250 report editions stamped and 2590 dated calls on the clock, each with a falsifier written at stamp time and never edited. Counted 2026-09-28. How our calls scored