Please do your due diligence properly.. Greenlight Capital's 5/13 report shows short postion on GMCR(Put as you put it) which do not show up in the 11/14 report.. Greenlight Capital closed the short position..period.. If you don't believe it, call Greenlight capital or your broker or CNBC and ask them and you'll find that Greenlight capital closed the puts from 5/13.. Einhorn had 799K, 179K and 289K puts which have been closed out.. They show up in the 5/13 filing as puts and do not show up in the 11/14 filing..
Can't post links on yahoo.. Search SEC filings.. when you end up sec edgar site, click the latest company filings and then put Greenlight capital as the name of the company.. There are several..the one in NY is Einhorn's.. search the 13K report from 5/13 and search the 13K report from 11/13 and you'll see he has closed a whole bunch of puts he had bought in the 5/13 filing.. they do not show up in the 11/13 report..