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Universidad Nacional de Colombia

Universidad Nacional de Colombia

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Are stock prices affected by social media? - FTSE Global Markets According to a survey of 360 UK financial professionals carried out by Colt Technology Services, social media sites such as Twitter and Facebook are affecting share price volatility. The research found that 63% of respondents, including brokers and heads of trading desks, believe the valuation of individual stocks can be directly linked to public sentiment contained in social media channels. While only 7% of respondents regard social media sentiment as an important indicator, just under half (45%) of respondents regard it as a trailing indicator, demonstrating that social media definitely has a role to play. Firms such as hedge funds and proprietary trading houses are now able to scan social media data at random and then categorise messages into one of a range of public mood states. The firms then use algorithmic or high frequency trading strategies to place trade orders, enabling them to potentially steal a march on competitors who trade using more traditional forms of data.

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