Marketplace methodology

An item can have a creator's price, a reseller's asking price and a completed-sale price at the same time. Bloxism keeps those figures separate and dates its observations. Here is what each number means.

Observed primary price

The Roblox catalog listing while an item is on primary sale. Roblox or an independent creator may be the seller. Once the item goes off-sale, a previously observed price is history, not a current offer.

Lowest observed resale

The cheapest public reseller listing when we checked. It is an asking price, not evidence that a buyer paid it. Listings may change before the next check.

Recent average price (RAP)

For collectibles, we read Roblox's recent average price from its public marketplace sales data, keyed by the collectible item ID. When Roblox omits that headline but has valid completed-sale history, we use the newest daily sale price as a fallback. The fallback is a dated sale-history figure, not Roblox's headline average. Item pages show when this data was last read.

Daily sale history

The chart uses Roblox's daily resale price and volume points. We join price and volume by date, and omit zero-price days from the price series because a zero is not a completed Robux sale price. Days without sales may have no price point.

Supply and availability

Published copy counts and remaining primary-sale units come from Roblox's collectible data where available. A copy count is not a count of copies listed for resale. Missing supply is left blank.

Coverage and limits

Bloxism catalogs the items it has discovered, not every Roblox asset. Public APIs do not provide a complete owner list for modern collectibles or access to private inventories. A price can move between checks, and a completed-sale average is not an appraisal or a prediction. Check the dated observation and the live Roblox listing before acting on a number.

Start with the item catalog. For game-specific community valuations, see the trade-value methodology.