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Nerve Centre KPIs · Audit Profile · Sentiment Settings Vortex IQ Nerve Centre tracks 50 KPI pulses for eBay stores. Each metric has its own page: definition, calculation, why it matters, and what to do when it moves. The eBay connector covers the seller-standards posture eBay sellers actually need to track - Defect Rate, Seller Standards Level, Open INR Cases, Listings Missing Attributes - alongside revenue and listing-health KPIs. The Nerve Centre tracks 50 KPI pulses for eBay stores in the Vortex IQ AI OS catalogue. The cross-platform cards fuse eBay with Amazon (Catalogue Drift vs Amazon, Amazon Top SKUs Missing on eBay, eBay vs Amazon Revenue Share) so multi-marketplace operators see the joined picture. Vortex Mind investigates when standards drop or revenue dips; Ask Viq™ lets you ask in plain English with citations back to the card. Appendix space for FAQs, reconciliation guidance, or cross-connector notes specific to this connector. Replace this block when authored.