“Unrealized Losses” On Securities Held by Banks Jump by 22% to $684 Billion in Q3, Oh Lordy

by Wolf Richter Wolf Street

They amount to 32% of Tier 1 capital and don’t matter, until they suddenly do.

“Unrealized losses” on securities – mostly Treasury securities and government-guaranteed MBS – at FDIC-insured commercial banks at the end of Q3 jumped by $126 billion (or by 22%) from the prior quarter, to $684 billion, according to the FDIC’s quarterly bank data release on Wednesday.

These unrealized losses were spread over the two accounting methods: