No can accurately price this since GM admits in the prospectus you can’t trust their books.
What about the stock that was owned previously? Did the buy out the stock holders? If not, than don’t they still own stock?
Translation: We have no idea how much money we spend or where we spend it. We're clueless.
http://news.yahoo.com/s/ap/20101115/ap_on_bi_ge/us_gm_ipo_red_flags
As an ordinary thing (and, granted, this IS NOT an ordinary case), the Chicago Board Options Exchange begins making markets in options on new issues, esp. high-profile ones, typically within a month of the new issue coming out.
Does this give you any ideas? (And, no offence, if you are NOT an options trader, it may not give you any ideas...but for some of us, it distinctly does).