Nifty is trading in a triangle pattern with 15750 as its base, and constant pressure from the top. If 15750 is broken, we might see a big fall towards 15500. On the other hand, if NIFTY breaks the upper sloping trendline, then 16050 is the first resistance. So for this expiry, 15500 to 16000 can be considered as a range unless one of these is decisively broken.