Former Deutsche Bank global equities trading chief, Kerim Derhalli, has launched a social network mobile app for traders, aimed at providing 'crowd-sourced' market sentiment.

The invstr app is based around 'gamified' trading, allowing users to compare market predictions based on data drawn from 40 exchanges globally and the sources such as the Financial Times, Dow Jones and Alliance News.

It is aimed at encouraging engagement between existing traders through access to leader boards, chat features and sharing of news content, as well as encouraging newcomers to predict market outcomes through virtual trades. Information gathered through the app is then delivered as market sentiment.

Derhalli founded the business in late 2012 after 30 years in the City, leaving his post as Global Head of Equity Trading at Deutsche Bank to focus on financial technology.

"Many other sectors have been disrupted by technology and the empowerment of consumers - now it is the turn of financial services and the financial markets," he said.

The app is available on the iOS app store.