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Contract Specifications


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  • Index Futures
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  • Stock Options (Weekly & Monthly Options)

  • Contract Specification for Stock Options contracts (Weekly & Monthly Options)


    Security SymbolClick here for details
    Underlying
    Contract Multiplier
    Content Period1, 2, 3 months & 1, 2 weeks
    Exercise StyleAmerican
    Settlement StyleCash
    Tick Size0.05 i.e. 5 paisa
    Premium QuotationRupees per share
    Strike price IntervalsShall have a minimum of 3 strikes (1 in-the-money, 1 near-the-money, 1 out-of-the-money).
    Trading Hours9.55 a.m to 3.30 p.m
    Last Trading/Expiration DayLast Thursday of the contract month in case of monthly & last Friday of contract maturity in case of weekly options. If it is a holiday, then the immediately preceding business day during which the underlying stock market is open for trading.
    Note: Business day is a day during which the underlying stock market is open for trading.
    Final SettlementThe final settlement of the expiring option contracts would be based on the closing price of the underlying stock. The following algorithm is used for calculating closing value of the individual stocks in the cash segment of BSE including the stocks constituting Sensex:
    Weighted Average price of all the trades in the last thirty minutes of the continuous trading session.
    If there are no trades during the last thirty minutes, then the last traded price in the continuous trading session would be taken as the official closing price.
    Exercise Notice TimeIt is a specified time (Exercise Session) everyday. All in-the-money options would be deemed to be exercised on the day of expiry unless the participant communicates otherwise in the manner specified by the Derivatives Segment.
    Note :It has been decided to change the expiry date of the monthly Stock futures and options contracts from the last Thursday of the month to the Thursday falling two weeks prior to the last Thursday of each contract month starting from the January 2009 contract.
    Accordingly expiry dates for January and February 2010 contracts will be as under:
    Contract    Expiry Date
    January 2010    January 14, 2010
    February 2010      February 11, 2010
    Similarly, the expiry date of all weekly options contracts (presently available for trading on the underlying (Sensex, mini Sensex, RIL, TISCO, SBI ) will be changed to Thursday instead of Friday. Thus the Weekly Options contract on the above five underlyings will follow a Friday to Thursday cycle instead of a Monday to Friday cycle as hitherto. This change will take effect for all contracts starting from November 20, 2009.
    For further details, please refer to the Exchange Notice no. 20091016 - 27 dated October 16, 2009 and Exchange Notice no. 20091116-5 dated November 16, 2009.