The spot market or cash market is a public financial market in which financial instruments or commodities are traded for immediate delivery. It contrasts with a futures market, in which delivery is due at a later date.
Margin refers to refundable amount paid to the broker in futures. Premium is the amount paid by buyer to seller for signing the options. Strike price is the agreed price for the deal.
Strike Price : The strike price is defined as the price at which the holder of an option contract can buy (call option) or sell (Put option) of the underlying asset when the option is exercised.
Expiry Date : It is the last day that an options or future contract is valid
Lot size is the minimum quantity specified in the futures contract
A call option is an agreement that gives the buyer the right but not the obligation to buy the underlying asset at a specified price within a specified period of time.
A put is an agreement that gives the buyer of the put option the right but not the obligation to sell the underlying asset at a specified price within a specific period.
