Market has to hold 10850 and it has to negate the formation of lower highs and lower lows of last 2-3 trading sessions. It has to hold 10850 and has to surpass the level of 10985 and then only upmove can be seen towards 11090-11170 kind of level. For Bank Nifty multiple support are seen at 26850-27000 while hurdle is seen at 27500-27750. Till Nifty holds above 10850, we remain positively biased while above 10985 we will get more conviction for positive momentum.