Financial Daily from THE HINDU group of publications
Sunday, May 02, 2004
Financial Daily from THE HINDU group of publications Sunday, May 02, 2004 |
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Investment World
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Derivatives Markets Markets - Derivatives Markets How orders are watched
THE Futures and Options Trading system provides a fully automated trading environment for screen-based, floor-less trading on a nationwide basis and an online monitoring and surveillance mechanism. The system supports an order-driven market and provides complete transparency of trading operations. Orders, as and when they are received, are first time stamped and then immediately processed for potential match. If a match is not found, then the orders are stored in different `books'. Orders are stored in price-time priority in various books in the following sequence: best price; within price, by time priority and order matching rules The best buy order will match with the best sell order. An order may match partially with another order resulting in multiple trades. For order matching, the best buy order is the one with highest price and the best sell order is the one with lowest price. This is because the computer views all buy orders available from the point of view of a seller and all sell orders from the point of view of the buyers in the market. So, of all buy orders available in the market at any point of time, a seller would obviously like to sell at the highest possible buy price that is offered. Hence, the best buy order is the order with highest price and vice-versa. Members can pro-actively enter orders in the system, which will be displayed in the system till the full quantity is matched by one or more of counter-orders and result into trade(s). Alternatively, members may be reactive and put in orders that match with existing orders in the system. Orders lying unmatched in the system are `passive' orders and orders that come in to match the existing orders are called `active' orders. Orders are always matched at the passive order price. This ensures that the earlier orders get priority over the orders that come in later. Source: www.nseindia.co.in
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