Market share
Market share is the proportion of a defined market’s total sales, revenue, customers, usage, or demand attributable to a particular company, product, or provider.
The Well-Grounded Data Analyst
Market share is the proportion of total activity, sales, or revenue attributable to a product, organization, or category within a defined market.
- How it is used
- Uses distributor revenue market share to identify companies that gained or lost position across annual market periods.
- How deep it goes
- Explains validation, entity-name resolution, filtering, aggregation, pivoting, and plotting rather than treating market share as a single metric.
- Examples
- Uses annual distributor revenue, 100% total checks, duplicate company labels, Other categories, and market-share lines over time.
- What you can do after
- Diagnose distributor market-position changes by validating, cleaning, aggregating, and plotting annual market-share data.
Read how The Well-Grounded Data Analyst explains market share →
Statistics Every Programmer Needs
Market share is the proportion of a market's total customers, sales, or usage attributable to a particular product or provider.
- How it is used
- Models changing provider shares as probabilities of consumers occupying and transitioning between market states.
- How deep it goes
- Explains vector and matrix representations, then computes one- and two-period forecasts without developing model estimation or validation.
- Examples
- Uses four fictional cellular carriers, an initial share vector, a transition matrix, and NumPy forecasts for two future periods.
- What you can do after
- Apply it via NumPy to calculate future market-share distributions from an initial vector and transition matrix.
Read how Statistics Every Programmer Needs explains market share →
Related concepts
- market penetrationproduced by · Market penetration is a growth strategy that increases sales of existing products or services within an existing market.
- metricmeasured by · A metric is a quantitative measure used to characterize or assess a property, behavior, performance, or outcome.
- probability theoryequivalent to · Probability theory is the branch of mathematics that formalizes uncertainty and analyzes random events and outcomes using probability measures.
- distributormeasures · A distributor is an intermediary entity that acquires or handles products or content from producers and delivers them to customers, businesses, platforms, exhibitors, or audiences.
- business goalused by · A business goal is a desired organizational outcome that guides decisions, priorities, or resource allocation.
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