Last year when I was researching new Part D plans for 2017 I posted about a very strange price discrepancy between V and GL - Medicare.gov searches show what you'll pay, and also show what the actual cost of each drug is - GL only costs ~ $98/mo in 2017, and I asked "how the heck is that possible given the price of API?" - nobody responded, and the question still stands. No way Teva is making a penny selling GL at that price, so why are they selling it at all, except to keep V from owning the O3 market? Given V patent protection, even if Teva wants to be first to market GV, it's going to take years before they get the chance, so keeping their O3 production/sales forces in place is costing them a lot of money, unless they think they can win in court and overturn a patent or two.