F&O D3

Futures and Options are trading instruments available to trade a position at a later date at an agreed price.
They are derivative instruments.
Futures is where the buyer of the contract has the right and obligation to honour the contract.
Options is where the buyer of the contract has the right but not the obligation. The seller gets premium in return for owning the risk.
When prices are expected to increase, (a) buy the Futures contract, (b) buy the Call Options, (c) sell the Put option
The near day premium for Call option is generally higher than a far away day contract.