a whale with a lot of money to spend has taken a noticeably bearish stance on merck  co looking at options history for merck  co mrk we detected 14 strange trades if we consider the specifics of each trade it is accurate to state that 35 of the investors opened trades with bullish expectations and 64 with bearish from the overall spotted trades 7 are puts for a total amount of 502659 and 7 calls for a total amount of 293014 taking into account the volume and open interest on these contracts it appears that whales have been targeting a price range from 810 to 1100 for merck  co over the last 3 months in terms of liquidity and interest the mean open interest for merck  co options trades today is 214682 with a total volume of 465000 in the following chart we are able to follow the development of volume and open interest of call and put options for merck  cos big money trades within a strike price range of 810 to 1100 over the last 30 days merck  co option volume and open interest over last 30 days where is merck  co standing right now   with a volume of 6849566 the price of mrk is down 16 at 8968   rsi indicators hint that the underlying stock may be approaching overbought   next earnings are expected to be released in 56 days options are a riskier asset compared to just trading the stock but they have higher profit potential serious options traders manage this risk by educating themselves daily scaling in and out of trades following more than one indicator and following the markets closely if you want to stay updated on the latest options trades for dcompanyname benzinga progives you realtime options trades alerts