Explore

Marnie - 340/S-P price and historyThe live card page: price, chart and graded ladder.All S-P: Sword & Shield Promos pricesEvery card in the set, priced off the same tape.S-P: Sword & Shield Promos 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.

Marnie - 340/S-P S-P: Sword & Shield Promos Market Report

What stands out

PSA 10 copies trade more often than 97% of the JA era.

Reference class: JA era. Percentiles are recomputed nightly, by disclosed rule, from recorded data across every tracked card.

01The verdict block3 readings

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

Assay

Supportive1Context2

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

EFFECTIVELY CLOSED

New slabs a week against the recorded PSA population.

Market floatContext

TIGHT LISTED FLOAT

Active raw listings divided by the PSA population.

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 Marnie - 340/S-P 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 holding6 sealed sections

02
The call
The rating was refused on this card November 1, 2026 and the refusal states its reason; members read why in full.
03
The tape · verified sold medians
1 grades carry a verified sold median on this card, each with its sample size. Comps through October 16, 2026.
04
The registry
8 daily PSA population snapshots on file, 49 days of continuous history, drawn as a growth curve.