Investment Data Quality Exception Detector

Detect data-quality exceptions in approved investment data feeds — stale prices, absent risk/analytic factors, duplicate instruments, implausible day-over-day price moves, conflicting classifications across feeds, and broken security-master mappings — and produce a prioritized, evidence-cited exception queue for an investment-data analyst to work. Use when someone asks to run a data-quality / DQ sweep on a pricing or reference-data snapshot, screen a portfolio feed for stale or implausible prices, find duplicate or unmapped instruments, or triage a feed exception queue before it reaches valuation, risk, or client reporting. This skill only detects, evidences, and prioriti…