SSFs have never been viable and synthetics do the job. if risk of assignment is imminent then you’re already in an EFP (reversal).
Pin risk, got it.
A solution to a problem that nobody had.
So when do participants need to be flat the 2020 contracts? May be some good info to have.
No taxpayer would ever use any option strategy to lend their securities. Only those who take mark to market accounting find the options of use via rev/con.
Best
David