= [2 times the parent fund 1655 15 yesterday's net value X( 1+ the Shanghai and Shenzhen 300 index rises and falls x positions 95%)- Xincheng 300A net value.
Share leverage = (A share +B share) /B share
Net leverage = (parent fund net value /B share net value) × share leverage
Price leverage = (parent fund net value /B share price) × share leverage
There are still unclear, see the entry of Baidu Encyclopedia Grading Fund/View/2857537.htm.