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Originating department:Risk Management
Company Circular No:LCH.Clearnet Ltd Circular No 3289
Service Circular No:EquityClear/Turquoise Derivatives 234
Date:12 April 2013
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. The changes will be going live on Monday 15 April 2013 and will be reflected in margin calls on Tuesday 16 April 2013.

  4. This circular supersedes circular number LCH.Clearnet Ltd. 3267; Turquoise Derivatives/ EquityClear 232 dated 6 March 2013.

  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