A call option is the right to buy a stock at a specific price by an expiration date, and a put option is the right to sell a stock at a specific price by an expiration date. That's the summary. Now, ...

A Barchartreport today shows a huge, unusual volume of in-the-money (ITM) put options in Amazon, Inc. (AMZN) stock. That implies that some institutional investors are happy to set a buy-in price for ...