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Originating department:Risk Management
Company Circular No:LCH.Clearnet Ltd Circular No 3181
Service Circular No:EquityClear/Turquoise Derivatives 224
Date:01 August 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 in the Spreadsheet below.

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

  3. The changes will be going live on Monday 06 August 2012 and will be reflected in margin calls on Tuesday 07 August 2012.

  4. This circular supersedes circular number LCH.Clearnet Ltd. 3154; Turquoise Derivatives/ EquityClear 220 dated 23 May 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. Turquoise Derivatives Margin Rate Change Spreadsheet

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

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


Nicholas Lincoln
Director, Market Risk