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Noteworthy Friday Option Activity: MPWR, MBI, UBNT


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Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Monolithic Power Systems Inc (Symbol: MPWR), where a total volume of 1,679 contracts has been traded thus far today, a contract volume which is representative of approximately 167,900 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 62.8% of MPWR's average daily trading volume over the past month, of 267,320 shares. Especially high volume was seen for the $115 strike put option expiring March 16, 2018 , with 583 contracts trading so far today, representing approximately 58,300 underlying shares of MPWR. Below is a chart showing MPWR's trailing twelve month trading history, with the $115 strike highlighted in orange:

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MBIA Inc. (Symbol: MBI) options are showing a volume of 7,881 contracts thus far today. That number of contracts represents approximately 788,100 underlying shares, working out to a sizeable 60.2% of MBI's average daily trading volume over the past month, of 1.3 million shares. Particularly high volume was seen for the $8 strike put option expiring January 26, 2018 , with 3,000 contracts trading so far today, representing approximately 300,000 underlying shares of MBI. Below is a chart showing MBI's trailing twelve month trading history, with the $8 strike highlighted in orange:

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And Ubiquiti Networks Inc (Symbol: UBNT) options are showing a volume of 1,582 contracts thus far today. That number of contracts represents approximately 158,200 underlying shares, working out to a sizeable 56.2% of UBNT's average daily trading volume over the past month, of 281,545 shares. Especially high volume was seen for the $65 strike put option expiring June 15, 2018 , with 399 contracts trading so far today, representing approximately 39,900 underlying shares of UBNT. Below is a chart showing UBNT's trailing twelve month trading history, with the $65 strike highlighted in orange:

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For the various different available expirations for MPWR options , MBI options , or UBNT options , visit StockOptionsChannel.com.

Today's Most Active Call & Put Options of the S&P 500 ยป

The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.



This article appears in: Investing , Options
Referenced Symbols: MPWR , MBI , UBNT



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