Jan.30 FEB series.1 BankNifty=19884 (-685)
The Expected Zone is at
(20300~19700).
The Option Chain of CURRENT series looked like this :
Really Banknifty option chain presented a perplexed look.
Especially 18700PE has a Negative change ,when BANKNIFTY lost 685 points.
19700CE lost 407.50 but 19600CE lost 217.40.
That is the main reason ,why banknifty attract less volumes in the initial period of
a series.Cooling period of some days is required in case of Banknifty which may
not be the case with nifty.
More over, multiples of 500 tend to have good volatility in case of Bank nifty.