Portfolio default & reserve — wide view.

Rate move vs the inception spread decides who's underwater; the default mix offsets; the reserve + Juku cut absorbs the rest.

Inputs

Rates
Default mix & reserve

Net loss per default vs the buffer

Exposure per underwater default
£0
Net loss per default (after offset)
£0
Reserve + Juku cut
£0
Net loss per default Reserve + Juku cut (per deal) Flip point (floating = fixed)