HDRWMA - trading at about its valuation (based on Black scholl and implied volatility of 0.30)
HDRWMB - trading at almost double its valuation (based on black scholl model) in a market set by the issuing authority, very interesting..
Have a tinker for yourself using the below link;
http://www.hoadley.net/options/optiongraphs.aspx
Regards