The holiday season is almost upon us, and ushers in the most lucrative quarter for eCommerce merchants. The 2018 holiday season closed in at $123.9B in the US alone – a 16.7% increase from the year prior, and it’s clear that global holiday revenue will continue to grow. The opportunities are ripe for the picking, but in the competitive eCommerce landscape, merchants need to be best-positioned to maximize their success. Our data reveals that shopping behavior and fraud trends are not consistent throughout the holiday season. We have identified six key ‘sub-seasons’, each with its own unique consumer preferences and fraud trends. Based on analysis of tens of billions of dollars in holiday orders, this guide will dive into these sub-seasons and extrapolate insights pertaining to geographies, channels and shipping methods – to give eCommerce merchants actionable tips to help optimize holiday performance.