notional principal

In relation to a contract for differences

(a) if the contract is an index derivative that resembles a future contract — the current mark-to-market valuation of the contract; or
(b) if the contact is an index derivative that resembles an option contract — the exercise value of the contract; or
(c) in any other case — the notional lot size of the contract.
Derived from QFCRA RM/2007-02 (as from 15th July 2007).