Hands-On Machine Learning for Algorithmic Trading

Dataminr

Dataminr was founded in 2009 and provides social-sentiment and news analysis based on an exclusive agreement with Twitter. The company is one of the larger alternative providers and raised an additional $392 million in funding in June 2018 led by Fidelity at a $1,6 billion valuation, bringing total funding to $569 billion. It emphasizes real-time signals extracted from social media feeds using machine learning and serves a wide range of clients, including not only buy and sell-side investment firms but also news organizations and the public sector.