Short lived arbitrage opportunities arise when prices adjust with a lag to new information. They are toxic because they expose dealers to the risk of trading at stale quotes. Hence, theory implies that more frequent toxic arbitrage opportunities and a faster arbitrageurs' response to these...

“Fixing” in the foreign exchange market is a market practice that determines the bid-ask-mid-point exchange rate at a scheduled time, 10am in Tokyo and 4pm in London. The fixing exchange rate is then applied to the settlement of foreign exchange transactions between banks and retail...