The following can be posted by Clearing Member as collateral:
russian rubles
foreign currency
precious metals
securities. Securities, issued by the Clearing Member or by the entity affiliated with such Clearing Member, are not recorded as Collateral under partially secured trades under proprietary TA
Ways to post Collateral in cash funds (to the Settlement Account):
Rules for formation of MT103 SWIFT messages (examples for AMD, BYN, KGS, KZT, TJS in EDB)