A 1000 points rally from 21800 levels as shorts get squeezed out of the system as FIIs positioning in long : short ratio bounces from 26% longs. Nifty futures witnesses 2.5% fresh longs on intraday basis today till now. Nifty manages to cross crucial resistance of 22800+ levels at the back of weekly expiry today and can head towards the 23000 mark by the month end expiry from current levels. Aggressive put options writing can be seen from base of 22500 PE to all the way till 22800 PE forming strong support base at 22600/22700 levels now.