Correlating Grubhub Data and U.S. Restaurant Sectors Same-Store Sales Trends

With third-party delivery aggregators continuing to grow, providing additional convenience to the consumer, we decided to look at various quarterly data provided by Grubhub (GRUB; Not Rated), correlating these data sets with various sectors’ same-store sales (for U.S. chain restaurants). To do this, we used six different Kalinowski Restaurant Industry Index sector indices, which are sorted by brand type and based on the weighted-average components from 48 different publiclytraded restaurant concepts. (The weightings are based on each concept’s 2018 U.S. systemwide sales, as measured by Technomic.)

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