If you want to know how option prices react to a given change in some of the variable inputs, you may turn into Greeks option.

In the Option Chain On the top of the option table you can view the Greek option, by clicking that you will see the Greeks table. The most commonly used Greeks are options chain with Delta, Gamma, Theta, Vega and Rho.

Here you can get to know all the features available in option Greeks table

IV: The IV column will show you the data on the implied volatility of a particular contract.

DELTA: It is the change in the price of an option resulting from a change in underlying asset. It ranges from 0 to 1. At the money have a delta close to 0.5

GAMMA: Delta is not constant, it changes as the price of underlying moves. Gamma measures change in the delta of an option in response to change in the price of an underlying asset.

THETA: Theta represents the time decay of an option contract and specifies the time value or extrinsic value. The call put option loses its value every day as it approaches expiry.

VEGA: Rate of change in the price of an option due to the change in the implied volatility. The higher the volatility higher probability of large price moments.

RHO: Rho measures change in the price of an option relative to change in interest price.