In its most recent quarter (Q2 of fiscal 2023, which ended Dec. 31), Peloton Interactive (NASDAQ: PTON) posted revenue of $792.7 million, down 30% year over year, and a net loss of $335.4 million, compared to a net loss of $439.4 million in the prior-year period. While Peloton reported on several metrics of its exercise-equipment-making business, there was one important number that was missing from the struggling fitness innovator's latest earnings report. Here's what was missing from the report and why it's so important to investors' understanding of the health of the business.