Notable Friday Option Activity: ZION, GOOG, AAPL
September 21, 2018 at 13:24 PM EDT
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Zions Bancorporation (ZION), where a total volume of 22,529 contracts has been traded thus far today, a contract volume which is representative of approximately 2.3 million underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 140.6% of ZION's average daily trading volume over the past month, of 1.6 million shares..