Lot should be same in all strike prices and within the same strike price for call and put option. Then the option chain should also show the same bid qty and ask qty for all call and put options and for all strike price… but it is not so… why?
If lot size is 500…
You might see 2500 on bid and 4500 on ask… This is normal…
It means on the bid side 5 contracts are available and… On the ask side 9 contracts are available…
The quantities on bid and ask side will always be multiples of lot size…