Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Monsanto Co (Symbol: MON), where a total volume of 9,143 contracts has been traded thus far today, a contract volume which is representative of approximately 914,300 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 52.8% of MON’s average daily trading volume over the past month, of 1.7 million shares. Particularly high volume was seen for the $ 85 strike put option expiring January 19, 2018 , with 2,350 contracts trading so far today, representing approximately 235,000 underlying shares of MON. Below is a chart showing MON’s trailing twelve month trading history, with the $ 85 strike highlighted in orange:
Atlantica Yield plc (Symbol: ABY) saw options trading volume of 2,000 contracts, representing approximately 200,000 underlying shares or approximately 43.5% of ABY’s average daily trading volume over the past month, of 459,575 shares. Particularly high volume was seen for the $ 20 strike call option expiring August 18, 2017 , with 2,000 contracts trading so far today, representing approximately 200,000 underlying shares of ABY. Below is a chart showing ABY’s trailing twelve month trading history, with the $ 20 strike highlighted in orange: 
And Yelp Inc (Symbol: YELP) options are showing a volume of 9,475 contracts thus far today. That number of contracts represents approximately 947,500 underlying shares, working out to a sizeable 41.2% of YELP’s average daily trading volume over the past month, of 2.3 million shares. Particularly high volume was seen for the $ 42 strike call option expiring February 17, 2017 , with 5,041 contracts trading so far today, representing approximately 504,100 underlying shares of YELP. Below is a chart showing YELP’s trailing twelve month trading history, with the $ 42 strike highlighted in orange: 
For the various different available expirations for MON options , ABY options , or YELP options , visit StockOptionsChannel.com.
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Plantations International