Subject: Re: brk, supply and demand,
I forgot, the buyback limit was raised to 1.2 xs BV in 12 /2012, which goosed the stock from 87 ish to 89 ish. Brk options were listed in 6/09, but the Bs were 3000 ish and very illiquid. The 50/1 split made the options much more liquid, obviously.