This paper investigates changes in the price discovery portions for two popular securities based on the S&P 500 index, namely the S&P 500 E-mini futures and the SPDR Exchange Traded Fund (Ticker SPY) for the period Jan 2002 through Dec 2013. We show a significant change in the price discovery of...

This paper considers the Samuelson hypothesis, which argues that the futures price volatility increases as the futures contract approaches its expiration. Utilizing intraday data from 20 futures markets in six futures exchanges, we find strong support for the Samuelson hypothesis in agricultural...