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Option smiling when investors' estimates of asset volatility disagree
Lin, Chien-chih, (2014)
Positive feedback trading in the options market
Tavakkol, Amir, (2000)
Analysis of the QQQ spot and option volatility behaviour around the QQQ move from AMEX to NASDAQ
Ivanov, Stoyu I., (2015)
Reuters sentiment and stock returns
Uhl, Matthias, (2011)
And action : TV sentiment and the US consumer
Uhl, Matthias, (2012)
And action: TV sentiment and the US consumer
Uhl, Matthias, (2010)