The Lyst Index is a quarterly ranking of fashion’s hottest brands and products compiled by Lyst, the world's biggest and most intelligent fashion shopping platform. With 200m shoppers a year and the biggest data set in fashion, Lyst is a unique source of global fashion intelligence. The formula behind The Lyst Index takes into account Lyst shoppers’ behavior, including searches on and off platform, product views and sales. To track brand and product heat, the formula also incorporates social media mentions, activity and engagement statistics worldwide, over a three month period