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Remaining Market (ROM)
Definition
The portion of the market not accounted for by a defined set of key competitors or segments, representing all other brands or products outside the primary competitive set.
How It's Calculated
Total market sales − Sales of defined key brands or segments
Example
In a category where the top three brands account for 70% of sales, the remaining 30% is classified as the Remaining Market (ROM), representing smaller or less prominent competitors.
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