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This paper examines price effects related to witching days in the US stock market using both weekly and daily data for three major indices, namely the Dow Jones, SP500 and Nasdaq, over the period 2000-2021. First it analyses whether or not anomalies in price behaviour arise from witching by...
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-switching models, and forecast combination to predict the dynamics in the S&P 500. First, we aggregate the weekly information of 115 …
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classical criteria, as well as forecast combination techniques with constant and non-constant weights. With respect to the … standard GARCH specification, the non-linear models generally lead to better forecasts in terms of both smaller forecast errors … and lower biases. In-sample forecast combination regressions are better than those from single Mincer …
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