Nifty Gap-Up Opening

Nifty expecting to GAP-UP today with arround 130 to 150 points. As if now the open intrest data showing +ve trend and depending upon this trend & there level's we would see nifty going till 18000 and to lower side breaching 17500 levels is little bit difficult at least for this and next week expiry.
This week Positions
I have sold on Thur
650 qty 22Sep 1700 PE
150 qty 22Sep 16900 PE
300 qty 22sep 18100 CE (This i have already booked in profit)
A bullish position made on Friday:
Buy 1Lot Sep 17600 CE
Sell 1Lot Sep 18000 CE