According to the CFTC Commitments of Traders report for the week ended November 30, NET LENGTH of crude oil futures slumped -20 423 contracts to 387 234. Speculative longs added +1 276 contracts while shorts soared +21 699 contracts. For refined oil products, NET LENGTH for heating oil declined -4 406 contracts to 11 225, while that for gasoline plummeted -10 380 contracts to 45 614. NET SHORT of natural gas futures dropped -4 577 contracts to 132 678 during the week.