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GLOSSARYTERMS AS A CREDIT DESK USES THEM

Early warning indicators (EWIs)

What are early warning indicators in credit risk, and how does a bank use them?

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BY MICHAEL SHANG · SIXTEEN YEARS IN COMMERCIAL BANKING · UPDATED

// THE SHORT ANSWER

Early warning indicators are the signals a bank monitors to catch a borrower's deterioration before it shows as arrears or a covenant breach: a line pinned at its limit, excesses and dishonoured payments, falling credits through the account, late or qualified accounts, shrinking covenant headroom, stretched creditors, senior departures or a change of auditor. Portfolio teams often score them automatically and send a file for review, or to the watch list, when several appear together. Their worth is their lead time: a signal that appears only once collections are calling tells the bank what it already knows.

BASIS  Practitioner judgment from sixteen years in commercial banking, set out in How Bankers Think (Highbank Press, 2026). Every borrower on this site is a composite constructed for teaching, not a client. The market is mid-market commercial lending as practised in New Zealand and Australia; where a convention differs elsewhere, the page says so.