Mortgage-backed securities (MBS)
Why agency mortgages could stay cheap for a while
Big bond managers are snapping up agency bonds, but disrupted valuations could last a surprisingly long time

Some US banks defy yield uncertainty to grow AFS securities
Treasuries remain preferred buy, but regionals also pile into munis, MBS in Q2

Members’ contributions to MBSD’s default fund up 11%
CCP’s skin in the game also up slightly, pushing aggregate amount to highest since Q1 2022

US banks reshaped liquidity buffers in Q2
Truist, BofA and US Bancorp lead highly liquid assets pile-up
Lenders try to move fast and fix things in UK BTL market
Relaxing stress tests when buy-to-let clients switch banks to remortgage is key to avoiding a credit squeeze
SVB failure signals Fed’s need for a speed rethink
Rapid transition to large-bank bracket left supervisors flat footed on rate risk
First Republic taps Fed facilities in effort to plug funding hole
Discount window and BTFP provide temporary relief as deposits slump $72bn in Q1
SEC securitisation rule could hamper interest rate hedging
ABS participants say breadth of resurrected 2011 proposal creates compliance minefield
Did US hedge accounting rules contribute to SVB’s recklessness?
Hedging and directional risk-taking was a problem, but FASB regime may have complicated matters
US banks vulnerable to losses if HTM securities need to be sold
Overall mark-to-market value $300bn lower than amortised cost across 30 banks
HTM securities hit $2.5trn at US banks in 2022
BofA, First Foundation and Wells Fargo reported largest share of HTM to total securities behind SVB
At regional US banks, BTFP-eligible securities top $300bn
Assets classified as held-to-maturity made up less than 19% of aggregate securities portfolios in 2022
Missing Basel metric could have revealed SVB risks
US regulators did not implement economic value of equity test that SVB failed badly in 2021
Soft inflation print triggers initial margin breaches at FICC
Clearing units for MBSs and government securities hit by backtesting deficiencies as coverage levels dip
Savers and funds grabbed MBSs as banks and Fed retreated
Central banks and commercial lenders became net sellers of bundled mortgages as rates rose, says BIS
Fed hike behind $682m and $460m breaches at FICC
Clearing units for MBS and government securities hit by backtesting deficiencies on September 21
BNY, State Street took $6.5bn fair-value hit to bonds in Q3
Eroding prices of RMBSs and govies keep widening unrealised losses
$899m margin breach at FICC’s mortgage unit
Three-day move in TBA prices on June 9 triggered second-highest backtesting deficiency to date
Why a US fund manager added $4.8bn of Libor swaptions in Q1
Columbia Threadneedle’s eyebrow-raising trades were part of an effort to clean up legacy hedges
JP Morgan extends run as top repo dealer to US funds
Counterparty Radar: New data shows wide variation in haircuts, with biggest clients – like BlackRock and Pimco – getting best terms
Gensler calls for enhanced US bond market transparency
SEC chief advocates shorter Trace reporting delay, public dissemination of Treasuries trades
BofA kept up bond binge in Q1
Bank added $172bn of debt securities to portfolio over first three months of the year
BofA doubled held-to-maturity book in 2020
The bank moved mortgage bonds into HTM throughout the year
FICC default exposure exceeded size of clearing fund in Q2
Mortgage-backed securities division had $887 million of uncovered exposure to collapse of two members