Money managers, producers and consumers made the biggest bets on West Texas Intermediate crude prices in nine years, amid signals more volatility is coming. Global markets were roiled after Donald Trump’s election as U.S. president and as OPEC continued negotiations on a deal to cap output. The U.S. dollar climbed to the highest since January. A measure of oil volatility surged last week to a seven-month high, a sign that traders were anticipating bigger price swings. Wagers on higher and lower prices held by speculators and hedgers reached 1.47 million contracts in the week ended Nov. 15, the most since 2007, U.S. Commodity Futures Trading Commission data show. Trading volume of calls giving investors the right to purchase WTI futures rose to a record that day. The […]