Data Source: Barchart
On Wednesday some institution/fund purchased 2,934 contracts of Jan 2024 $400 strike calls (or the right to buy 293,400 shares of Netflix, Inc. (NFLX) at $400). The open interest was just 1,165 prior to this purchase.
Monitoring unusual options activity can be a useful tool. Large amounts of options being traded on a particular stock may provide some valuable insight into what the “smart money” is doing.