someone with a lot of money to spend has taken a bullish stance on costco wholesale cost 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 cost 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 50 bullish and 50 bearish out of all of the special options we uncovered 12 are puts for a total amount of 1724463 and 10 are calls for a total amount of 554809 taking into account the volume and open interest on these contracts it appears that whales have been targeting a price range from 4000 to 6000 for costco wholesale 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 costco wholesales 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 costco wholesales whale trades within a strike price range from 4000 to 6000 in the last 30 days costco wholesale option volume and open interest over last 30 days where is costco wholesale standing right now   with a volume of 1090059 the price of cost is up 021 at 49188   rsi indicators hint that the underlying stock may be approaching overbought   next earnings are expected to be released in 56 days what the experts say on costco wholesale   northcoast research upgraded its action to buy with a price target of 560   telsey advisory group has decided to maintain their outperform rating on costco wholesale which currently sits at a price target of 540   morgan stanley has decided to maintain their overweight rating on costco wholesale which currently sits at a price target of 520   baird has decided to maintain their outperform rating on costco wholesale which currently sits at a price target of 535   telsey advisory group downgraded its action to outperform with a price target of 540 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 costco wholesale benzinga pro gives you realtime options trades alerts