Zar Amrolia, Deutsche Bank’s global head of foreign exchange, has presided over an extended period of dominance by the bank in FX, and his team will make an even more important contribution to the group’s profits this quarter.

While revenues from fixed income, currencies and commodities trading as a whole are expected to decline this year, and capital markets issuance and trading activity were hit by risk aversion in May, foreign exchange businesses thrive on volatility.