Among the underlying components of the S&P 500 index, we saw noteworthy options trading volume today in Boeing Co. (BA), where a total of 112,985 contracts have traded so far, representing approximately 11.3 million underlying shares. That amounts to about 135.6% of BA's average daily trading volume over the past month of 8.3 million shares. Particularly high volume was seen for the $215 strike call option expiring September 24, 2021, with 11,266 contracts trading so far today, representing approximately 1.1 million underlying shares of BA. Below is a chart showing BA's trailing twelve month trading history, with the $215 strike highlighted in orange:

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

Apple Inc (AAPL) saw options trading volume of 580,821 contracts, representing approximately 58.1 million underlying shares or approximately 70.6% of AAPL's average daily trading volume over the past month, of 82.3 million shares. Particularly high volume was seen for the $145 strike call option expiring September 24, 2021, with 54,218 contracts trading so far today, representing approximately 5.4 million underlying shares of AAPL. Below is a chart showing AAPL's trailing twelve month trading history, with the $145 strike highlighted in orange:

And PayPal Holdings Inc (PYPL) options are showing a volume of 33,609 contracts thus far today. That number of contracts represents approximately 3.4 million underlying shares, working out to a sizeable 57.3% of PYPL's average daily trading volume over the past month, of 5.9 million shares. Particularly high volume was seen for the $270 strike call option expiring September 24, 2021, with 1,480 contracts trading so far today, representing approximately 148,000 underlying shares of PYPL. Below is a chart showing PYPL's trailing twelve month trading history, with the $270 strike highlighted in orange: