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Originating department:Risk Management
Company Circular No:LCH.Clearnet Ltd Circular No 2996
Service Circular No:EquityClear/Turquoise Derivatives 199
Date:07 October 2011
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 in the spreadsheet below.

  2. Changes have been made to Turquoise Indices contracts.

  3. The changes will be going live on Tuesday 11 October2011 and will be reflected in margin calls on Wednesday 12 October 2011.

  4. This circular supersedes circular number LCH.Clearnet Ltd. 2986; Turquoise Derivatives/ EquityClear 197 dated 26 September 2011.

  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  020 7426 7520


Nicholas Lincoln
Director, Market Risk

Turquoise Derivatives Margin Rate Change Spreadsheet