What does underlying stock price means?

Hello Friends,

In the option chain, I want to know what type of price is the one mentioned as underlying stock price ?
Screenshot :

Kindly explain


Underlying of a Futures or Options is the Stock/Index

So here underlying price is the Cash/Spot price of TATAMOTORS stock

Thanks bro @Newbie420 but when i check the spot price in moneycontrol, its written 216.25.
Why is the difference then ?

One is Last traded price, one is Close Price

Close Price is average of last 30 minute prices, which means from 3 to 330 PM they average and decide the closing price


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Thanks bro, one more query - this 215.70 is also the premium, when we talk in terms of options, right ?