How the option price vary ( during off market hours )?

Hi Everyone !! I have question regarding options , yesterday i bought BANK NIFTY 17400 PE in Rs 34.50 and it was closed at Rs 31.50 . But today when the market opens the price of BANK NIFTY 17400 PE was Rs 68.50 .? So how the price changes between the off market hours . ?

Option prices are majorly influenced by few factors which are captured in greeks, go through this varsity module to learn how/why/when option price will vary.
Also check sensibull learning courses here to know indepth about options.

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