NF/ BNF for April

The excel sheet updated by RM regularly has shown the seller in command with the OI and the net delta being negative for the full series.   https://docs.google.com/spreadsheet/ccc?key=0Ase3dtbFwQWUdFFpWFFudkx1VV9XVUQ1cjllVlFyVGc#gid=0   It's an easy way of knowing the swing of the market and taking a position accordingly based on closing prices, open interest and delta change.   […]