The last 50 day average of the Nifty movements is around 85 points and the last session did 133 points.
The BankNifty has been in a major downtrend for several more days than the NF and hence the 50 day range in BNF is quite close to the current traded range of about 250 points in the past 4 sessions.
The movements are being fuelled by the vix which has moved to a new regime.
The charts above show that intra day trading strategies which may have worked with smaller stops and targets are no longer in play in the current environment.
One needs to readjust to the current movement of the market.