Siegel (1995) has developed a technique with which the systematic risk of a security (beta) can be estimated without recourse to historical capital market data. Instead, beta is estimated implicitly from the current market prices of exchange options that enable the exchange of a security against...

We use high-frequency data to examine the effects of introducing an additional night trading session of four hours at the Shanghai Futures Exchange for Copper and Aluminum futures in December 2013. This additional trading session is shown to cause a structural break in the intraday behavior of...