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18.3.3 Series of Options Open for Trading

(1) SGX-ST shall, from time to time, open for trading Series of Options in respect of underlying securities approved for Options trading.
(2) Only Options of a Series currently open for trading may be purchased or written on SGX-ST.
(3) The opening of a new Series of Options shall not affect other Series of Options previously opened.
(4) No transaction in Options of a particular Series shall be made after the close of the Equity Market of the underlying security on the Market Day preceding the Expiration Date of that Series of Options.