Among the underlying components of the S&P 500 index, we saw noteworthy options trading volume today in National Oilwell Varco Inc (Symbol: NOV), where a total of 120,783 contracts have traded so far, representing approximately 12.1 million underlying shares. That amounts to about 258.8% of NOV's average daily trading volume over the past month of 4.7 million shares. Especially high volume was seen for the $21 strike put option expiring July 19, 2019, with 61,529 contracts trading so far today, representing approximately 6.2 million underlying shares of NOV. Below is a chart showing NOV's trailing twelve month trading history, with the $21 strike highlighted in orange:

Halliburton Company (Symbol: HAL) options are showing a volume of 142,226 contracts thus far today. That number of contracts represents approximately 14.2 million underlying shares, working out to a sizeable 142.1% of HAL's average daily trading volume over the past month, of 10.0 million shares. Especially high volume was seen for the $23 strike put option expiring July 05, 2019, with 59,001 contracts trading so far today, representing approximately 5.9 million underlying shares of HAL. Below is a chart showing HAL's trailing twelve month trading history, with the $23 strike highlighted in orange:

And Adobe Inc (Symbol: ADBE) saw options trading volume of 20,858 contracts, representing approximately 2.1 million underlying shares or approximately 85.1% of ADBE's average daily trading volume over the past month, of 2.5 million shares. Especially high volume was seen for the $310 strike call option expiring September 20, 2019, with 1,603 contracts trading so far today, representing approximately 160,300 underlying shares of ADBE. Below is a chart showing ADBE's trailing twelve month trading history, with the $310 strike highlighted in orange:

For the various different available expirations for NOV options, HAL options, or ADBE options, visit StockOptionsChannel.com.
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