“…Thus, arbitrage 1 Recent literature has documented lead-lag relationships between spot rates and futures prices. Cabrera, Wang, and Yang, (2009), Chen and Gau (2010), and Rosenberg and Traub (2009), for example, show that the spot foreign exchange markets lead the price discovery while Tse, Xiang, and Fung (2006) find opposite evidence. Nevertheless, the lead-lag effect found in these studies on the basis of high-frequency data (e.g.…”