According to the CFTC Commitments of Traders report for the week ended December 17. NET LENGTH for crude oil futures jumped +40 838 contracts to 536 377 for the week. Speculative long positions gained +34 897 contracts while shorts declined -5 941 contracts. For refined oil products, NET LENGTH for gasoline added +1 555 contracts to 98 342, while heating oil drifted to NET SHORT of 507 contracts for the week. NET SHORT for natural gas futures declined -18 202 contracts to 200 724 contracts for the week.