OptiSigns offers the World Market Index app, which provides real-time updates on general market prices. This feature enables you to stay informed about the latest market trends and insights, and make informed decisions for your business. With the World Market Index app, you can easily add and display indices for major global markets such as the US, UK, Japan, China, and Hong Kong. The data is updated every 15 minutes, ensuring that you have access to the most up-to-date information. With OptiSigns, you can customize and manage your market index displays, and deliver a visually appealing and informative viewing experience to your audience.