rtokens: NYMEX Permian natgas , also untraded , ended 10 cents lower at $ 2.90 .
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tokens: Physical prices for the weekend at the AECO storage hub were also down about 10 cents in the C$ 1.92-1.97 per gigajoule , or $ 1.52-1.56 per mmBtu range , pressured by unseasonably mild weather in western Canada .
ltokens: NYMEX Alberta natgas remained untraded , with January settling at $ 1.65 , off 10 cents from Thursday .