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Originating department:Risk Management
Company Circular No:LCH.Clearnet Ltd Circular No 3154
Service Circular No:EquityClear/Turquoise Derivatives 220
Date:23 May 2012
To:All EquityClear/Turquoise Derivatives Members

Turquoise Derivatives Margin Rate Change

  1. LCH.Clearnet Ltd has, after consultation with Turquoise Derivatives, revised the London SPAN parameters as marked in bold and italic on the attached document.

  2. Changes have been made to Turquoise Derivatives Indices contracts.

  3. 3. The changes will be going live on Monday 28 May 2012 and will be reflected in margin calls on Tuesday 29 May 2012.

  4. 4. This circular supersedes circular number LCH.Clearnet Ltd. 3140; Turquoise Derivatives/ EquityClear 218 dated 18  April 2012.

  5. Details of the current SPAN Parameters, for all Turquoise contracts, can be found on the LCH.Clearnet website (www.lchclearnet.com) under Risk Management > Ltd > Margin rate circulars. 

  6. Members seeking further information in relation to this circular should contact the following:

LCH.Clearnet Ltd Risk Operations  +44 (0)20 7426 7520


Christopher Jones
Executive Director and Head of Risk Management

Turquoise Derivatives Margin Rate Change Spreadsheet