Hang Seng China Enterprise Index is coiling up for a big move HSCEI FUTURES (CONTINUOUS: CURRENT CONTRACT IN FRONT) HKEX:HHI1! SubZero Volatility is down on the index and Bollinger band is tightening around the price variance indicating a high volatility event before the 6th of May. My bias is towards the upside of 11404, but can be a break below 10620.