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Mega Greninja ex - 120/083 price and historyThe live card page: price, chart and graded ladder.All M4: Ninja Spinner pricesEvery card in the set, priced off the same tape.M4: Ninja Spinner set reportHow the whole set has moved and what leads it.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.

Research citing this card

Japan-Only: We Built an Index for Japanese-Exclusive Cards. Here Is What It Says.Index Launch · 7 min read

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

Raw price higher than 99% of M4: Ninja Spinner.

Reference class: its set (M4: Ninja Spinner). 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

Supportive2Caution1Context3

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.

Registry inflowContext

OPEN REGISTRY

New slabs a week against the recorded PSA population.

Market floatContext

TIGHT 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.

moonstone Pro

The full Mega Greninja ex - 120/083 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.

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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
2 grades carry a verified sold median on this card, each with its sample size. Comps through November 2, 2026.
04
The registry
9 daily PSA population snapshots on file, 54 days of continuous history, drawn as a growth curve.

Mega Greninja ex - 120/083 M4: Ninja Spinner Market Report