http://finance.yahoo.com/q/bc?s=000001.SS&t=3m
Based on the Shanghai Composite Index:
Dec 18th - Index approx 2,400
Today - Index approx 2,800
2,800 / 2,400 at 1 per unit = $1.166
Share price closed at $1.165
This assumes AGF makes the standard return as per the index.