I have passed the koolaid phase and have exited and now have totally different views at this point. I think the case valuations are very, very high (all four of them) and think the odds are too optimistic.
I personally think appropriate prices are:
1. $35 (always will have teva trying) 20% 2. $20 40% 3. $10 25% 4. $4 (old low - look at put pricing, etc.) 15%
Wrap it up and fair value is $18.10 a year out. That is what makes a market. No position today other than a few short puts (Jan 09 and Jan 10 as well as a few Junes - all sold a long time back and worth next to nothing other than the Jan 10 $5 puts which are worth $1-2.