As a provider of true unfiltered tick-by-tick data, IQFeed is hard to beat. We have multiple ticker plants and data centers to ensure that IQFeed is one of the most reliable market data providers available. And our 24×5 customer support (phone, chat, and email) is unmatched, expediting attention to your questions or concerns. Most of our customers have come from other services because they weren’t happy with the reliability or quality they were receiving.