The second modification adjusts the mechanism applied to mitigate the influence of “specials” transactions by removing a consistent 20 percent of the lowest-rate transaction volume in FICC DVP Repos
For the New people repo on "Specials" are collateral that is in higher demand then Others, thefore trade at a lower level since dealers may compete for it to offer it to its final clients (Normally HF in the non-cleared repo segment).
Comments
How was it before?
Lower specials impact
Ad-hoc affiliated institutions Triming,
=
Cleaner Read of repo conditions of money markets and not specific collateral demand.
And month end fixes can be 1bp wider.