Who is behind the gold binary robot scam is
If the price is above the strike price (even by one pip), the trader wins the bet at the expiry date. If the market price is lower than the strike price at the expiry, the trader wins the bet. The guy who invented this industry is a genius indeed. The very basic premise the industry works off is: In a very long time frame the amount of buyers (Call options) equals the amount of sellers (Put options).