Put writers have taken the Open Interest at strikes 4600, 4700 and 4800 each between 4.4 and 4.8 Million shares by adding roughly about 10 % at each strike.
Infact total calls lots reduced by 3450 lots wheres put lots increased by 37450 lots day on day.
However the additon of 14.5% at 4800 in call Open Interest, indicates a tussle at this strike and the move to 4900 may not be very smooth for the bulls.
In other news, watch the news coming out of Greece tomorrow. There are rumours of a bailout by Germany flying around, yet unconfirmed at 11.30 pm IST, but may have an influence of direction tomorrow.