To report ecommerce performance to investors effectively, you need a consistent set of core metrics presented on a predictable cadence, with numbers that reconcile cleanly across channels and a narrative that explains the "why" behind the trends, not just the trends themselves. Most founders dread investor reporting because it surfaces every gap in their own data infrastructure: numbers that do not match between the deck and the data room, metrics that change definition between updates, and a scramble the week before a board meeting to pull everything together. The brands that handle this well are not the ones with the most sophisticated metrics. They are the ones whose reporting infrastructure makes investor updates a five-minute export instead of a five-day project.