Notable Wednesday Option Activity: PRTA, AST, RCII

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Prothena Corp plc (PRTA), where a total of 1,475 contracts have traded so far, representing approximately 147,500 underlying shares. That amounts to about 57.7% of PRTA's average daily trading volume over the past month of 255,770 shares. Particularly high volume was seen for the $55 strike put option expiring November 17, 2017, with 804 contracts trading so far today, representing approximately 80,400 underlying shares of PRTA. Below is a chart showing PRTA's trailing twelve month trading history, with the $55 strike highlighted in orange:

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Asterias Biotherapeutics Inc ( AST) options are showing a volume of 1,438 contracts thus far today. That number of contracts represents approximately 143,800 underlying shares, working out to a sizeable 57.1% of AST's average daily trading volume over the past month, of 251,655 shares. Particularly high volume was seen for the $5 strike put option expiring December 15, 2017, with 420 contracts trading so far today, representing approximately 42,000 underlying shares of AST. Below is a chart showing AST's trailing twelve month trading history, with the $5 strike highlighted in orange:

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And Rent-A-Center Inc. ( RCII) options are showing a volume of 12,250 contracts thus far today. That number of contracts represents approximately 1.2 million underlying shares, working out to a sizeable 53.3% of RCII's average daily trading volume over the past month, of 2.3 million shares. Particularly high volume was seen for the $11 strike call option expiring November 17, 2017, with 4,749 contracts trading so far today, representing approximately 474,900 underlying shares of RCII. Below is a chart showing RCII's trailing twelve month trading history, with the $11 strike highlighted in orange:

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For the various different available expirations for PRTA options, AST options, or RCII options, visit StockOptionsChannel.com.

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