Contract Specifications for Stock Options


Trading in stock options commenced on the NSE from July 2001. These contracts are American style and are settled in cash. The expiration cycle for stock options is the same as for index futures and index options. A new contract is introduced on the trading day following the expiry of the near month contract. NSE provides a minimum of seven strike prices for every option types (i.e. call and put) during the trading month. There are at least three in-the money contracts and one at-the-money contracts, three out-of-the-money contracts and one at-the -money contract available for trading.

Contract specification Stock options
Underlying index Individual securities available for trading in cash market
Exchange of trading National Stock Exchange of India Limited
Security Descriptor N OPTSTK
Style of option American
Contract size As specified by the exchange(minimum value Rs2lakh)
Expiry day The last Thursday of the expiry month or the previous trading day if the last Thursday is a trading holiday.
Settlement basis Mark to Market and final settlement will be cash settled on T+1 basis.

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