Marking of Sell Orders
From 11 March 2013, SGX will require the marking of sell orders on its securities markets to further enhance transparency of market activities. SGX will publish daily reports on the total value and volume of short sales for each counter the next trading day, based on short sale data collected on the previous trading day. Please also refer to the Guidelines on Short Selling Disclosure issued by the Monetary Authority of Singapore (MAS) on 9 January 2013.
FAQs on Marking of Sell Orders

A. Information and Rationale
1 What is short selling?
  Short selling in respect of securities is the sale of securities that the seller does not own at the time of the sale, short selling may either be: ‘covered’ or ‘uncovered’ (also referred to as ‘naked’ short selling). In ‘covered’ short selling, at the time of the sale, the seller has …