FCMs ask bourse to postpone long-planned switch to new VAR model to allow more time for testing
Span 2: a fine balance
Switching margin model means walking a tightrope of competing interests amid regulatory scrutiny
A look under the hood of Span 2, CME’s new margin engine
VAR-based framework has new ways of netting contracts and setting volatility floors and more
The great migration: CCPs ponder life after Span
As CME moves to a value-at-risk methodology, CCPs that license its model look on nervously