Pre-trade Risk Controls
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....stock exchanges, its Risk Management Review Committee (RMRC) and Technical Advisory Committee (TAC). Global practices in this regard were also studied. 4. Pursuant to the above, it has been decided to prescribe a framework of dynamic trade based price checks to prevent aberrant orders or uncontrolled trades. These measures would be implemented in phases in order to ensure the Indian stock exchanges deploy latest technology while maintaining adequate controls. As an initial measure, it has been decided that stock exchanges shall implement the measures as given below. Order-level checks 5. Minimum pre-trade risk controls for all categories of orders placed on Stocks, Exchange Traded Funds (ETFs), Index Futures and Stock futures shall be as ....
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.... price bands in either direction, for all scrips in the compulsory rolling settlement except for the scrips on which derivatives products are available or scrips included in indices on which derivatives products are available. For scrips excluded from the requirement of price bands, stock exchanges have implemented a mechanism of dynamic price bands (commonly known as dummy filters or operating range) which prevents acceptance of orders for execution that are placed beyond the price limits set by the stock exchanges. Such dynamic price bands are relaxed by the stock exchanges as and when a market-wide trend is observed in either direction. 6.1 It has been decided to tighten the initial price threshold of the dynamic price bands. Stock exc....