> I would make me very nervous if every single bank had ~50% of it's balance sheet in rock bottom rate 10Y bonds that have dropped in value 30+% in the last yea

> I would make me very nervous if every single bank had ~50% of it's balance sheet in rock bottom rate 10Y bonds that have dropped in value 30+% in the last year This is a separate issue. SVB is likely insolvent because of their MBS issue. But their liquidity available last week is significantly less than their assets.