
What a credit utilization ratio is, and why 30% isn't a magic number
Utilization is balances divided by limits, it carries about a third of common credit scores, and 30% is a ceiling — not a target. Here's how the ratio works and…

Naomi Bergman covers the systems that move money, and the small design decisions inside them that quietly decide who gets served. She explains payment rails and credit scoring, covers federal rulemaking and the national record, and reads markets from release to close.