It means it's a option on a stock that expires on 10/16.
Call options have the right to buy at a strike (certain stock price) by that date.
Put options have the right to sell a strike by that date.
Think of it like real estate, saying you'll pay farmer Jim $100 for the right to buy his land at $1000/acre until 10/16/2020
Call options have the right to buy at a strike (certain stock price) by that date.
Put options have the right to sell a strike by that date.
Think of it like real estate, saying you'll pay farmer Jim $100 for the right to buy his land at $1000/acre until 10/16/2020