Definition

Ratio between the number of references (GTIN) of each point of sale sold at least once in a selection of products over the total of references (GTIN) of each point of sale in the tracked market sold at least once over the same period.

Calculation

Either:
A (s) = number of points of sale selling a selection of products
S (s) = total sum of the products selling the selection of products in each point of sale
A (m) = number of points of sale selling in the market followed
S (m) = total sum of the products selling in the market followed in each point of sale

Then: Share of selling offer = [A (s) x S (s)] / [A (m) x S (m)]

Example

The products of an M brand are sold in 6,000 points of sale representing 12,000 different GTIN-point of sale pairs.
The market products followed by the M brand are sold in 7,000 points of sale representing 60,000 different GTIN-point of sale pairs.
Share of selling offer = 17.1% = [6,000 x 12,000] / [7,000 x 60,000]
The M brand represents 17.1% of the entire offer on its market.

Terminology

The part of the selling offer is translated in English by 'Share of assortment'.

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