Equity Derivatives
Parameter	Index Futures	Index Options	Futures on Individual Securities	Options on Individual Securities	Long Term Index Options
Underlying	2 indices	2 indices	140 securities	140 securities	Nifty 50
Security Descriptor:
Instrument	FUTIDX	OPTIDX	FUTSTK	OPTSTK	OPTIDX
Underlying Symbol	Symbol of Underlying Index	Symbol of Underlying Index	Symbol of Underlying Security	Symbol of Underlying Security	NIFTY
Expiry Date	DD-MMM-YYYY	DD-MMM-YYYY	DD-MMM-YYYY	DD-MMM-YYYY	DD-MMM-YYYY
Option Type	-	CE / PE	-	CE / PE	CE / PE
Strike Price	-	Strike Price	-	Strike Price	Strike Price
Trading Cycle	3 month trading cycle - the near month (one), the next month (two) and the far month (three). For NIFTY 50 weekly Options- Every Thursday of the week. In case the Thursday is a trading holiday, the previous trading day shall be the expiry/last trading day. All contracts shall expire at the normal market closing time on the expiry day or such other time as decided by Exchange.				Three quarterly expiries (March, June, Sept & Dec cycle) and next 8half yearly expiries (Jun, Dec cycle)
Expiry Day	Last Thursday of the expiry month. If the last Thursday is a trading holiday, then the expiry day is the previous trading day. For NIFTY 50 weekly Options -7 weekly expiry contracts excluding the expiry week of monthly contract. New serial weekly options contract shall be introduced after expiry of the respective week's contract.
Strike Price Intervals	-	Depending on underlying price	-	Depending on Underlying volatility*	Depending on underlying price
Permitted Lot Size	Underlying specific	Underlying specific	Underlying specific	Underlying specific	Underlying specific
Price Steps	Rs.0.05	Rs.0.05	Rs.0.05	Rs.0.05	Rs.0.05
Price Bands	Operating range of 10% of the base price	A contract specific price range based on its delta value is computed and updated on a daily basis	Operating range of 10% of the base price	A contract specific price range based on its delta value is computed and updated on a daily basis	A contract specific price range based on its delta value is computed and updated on a daily basis

* w.e.f April 1, 2013