How does theta and vega react when expiry is near?

Have you seen this section on Option Greeks that we have put up on Zconnect? Explains everything you need to know. 

Vega does more tha-thaiyya than Theta when the expiry nears.

Volatility will have effect only in ITM and ATM options and no activity in OTM options. Compared to initial days of the month, volatility will be much lesser when nearing expiry but is not zero.

Time value tends to zero, when nearing expiry. Time value will be very less and will not fluctuate and decrease faster in last few days.

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