Data 2026-10-05 · monthly refresh
Catalog Fragmentation Index
Weekly look at how much US streaming viewing is dominated by a few companies over 26 weeks, based on each parent company’s share of all panel viewing that week. The score goes up when a few companies capture more viewing and down when viewing is spread out more widely; the dashed line at 1,500 marks the usual cutoff where the market starts to look moderately concentrated.
About this research
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Weekly look at how much US streaming viewing is dominated by a few companies over 26 weeks, based on each parent company’s share of all panel viewing that week. The score goes up when a few companies capture more viewing and down when viewing is spread out more widely; the dashed line at 1,500 marks the usual cutoff where the market starts to look moderately concentrated.
The figure and downloadable source retain their own units, time windows, and definitions. Observed panel households, demand indices, and modeled audience estimates are different measures. Compare values within the definition used by this chart.
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