Our call on this cardmoonstone Pro

Our stamped call, its fair value, and every term that produced them.

Assay

Sealed

stamped November 2, 2026

The call · buy, hold, or sell

Fair value

Gap to fair value

A live call and a fair value are stamped on this card today, each a disclosed formula over recorded data with the arithmetic printed in full. The stamp above is real; only the ink is behind the rope.

What stands out

PSA population larger than 99% of Paradox Rift.

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

01The verdict block6 readings

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

Assay

Supportive3Context2Neutral1

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.

LiquiditySupportive

LIQUID

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

NORMAL LISTED FLOAT

Active raw listings divided by the PSA population.

Gem-rate driftSupportive

GEMMING HARDER

The recent gem share against the rate at the window start.

Grading EVNeutral

EV MARGINAL

Expected net per submission at registry-average outcomes, after the fee.

Character demandSupportive

CHARACTER BID

The species demand index, a weighted percentile across every tracked species.

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 Groudon dossier is sealed

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

Unlock every report · 3 days free

3 days free, then $9.99 a month. Cancel any time before the free days end and you are not charged. Payments are handled by Stripe.

What this dossier is holding7 sealed sections

02
The call
A buy, hold or sell and a fair value, stamped November 2, 2026, with the composite arithmetic printed in full.
03
The tape · verified sold medians
10 grades carry a verified sold median on this card, each with its sample size. Comps through November 2, 2026.
04
The registry
10 daily PSA population snapshots on file, 56 days of continuous history, drawn as a growth curve.
05
Sales velocity
22 grades carry a measured weekly sale rate, each over its own 38 day window.
06
Grading EV · registry-average outcomes
The full break-even ledger at the $59.99 grading fee, and the personal gem rate the submission needs to pay.
07
Market sentiment
This card reads as a illustration / alt art finish; the desk ranks that class and the species against every other.
08
The comparables
12 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

Unlock every report · 3 days free Sign in

3 days free, then $9.99 a month. Cancel any time before the free days end and you are not charged. Payments are handled by Stripe.

Pro also includes 300 Cynthia questions a day and binder-page scanning. Browse all reports

2454 report editions stamped and 5448 dated calls on the clock, each with a falsifier written at stamp time and never edited. Counted November 2, 2026. How our calls scored

Explore

Groudon price and historyThe live card page: price, chart and graded ladder.All Paradox Rift pricesEvery card in the set, priced off the same tape.Paradox Rift set reportHow the whole set has moved and what leads it.Cards illustrated by NurikabeEverything this illustrator has drawn, with prices.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 Groudon cards

Research citing this card