someone with a lot of money to spend has taken a bearish stance on merck  co mrk and retail traders should know we noticed this today when the big position showed up on publicly available options history that we track here at benzinga whether this is an institution or just a wealthy individual we dont know but when something this big happens with mrk it often means somebody knows something is about to happen so how do we know what this whale just did the overall sentiment of these bigmoney traders is split between 36 bullish and 63 bearish out of all of the special options we uncovered 4 are puts for a total amount of 227899 and 7 are calls for a total amount of 234386 taking into account the volume and open interest on these contracts it appears that whales have been targeting a price range from 900 to 1200 for merck  co over the last 3 months looking at the volume and open interest is a powerful move while trading options this data can help you track the liquidity and interest for merck  cos options for a given strike price below we can observe the evolution of the volume and open interest of calls and puts respectively for all of merck  cos whale trades within a strike price range from 900 to 1200 in 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 4019925 the price of mrk is up 093 at 11126   rsi indicators hint that the underlying stock is currently neutral between overbought and oversold   next earnings are expected to be released in 41 days what the experts say on merck  co   cantor fitzgerald downgraded its action to overweight with a price target of 135 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 merck  co benzinga pro gives you realtime options trades alerts