API2 Closing at US$ 143.50, Dec 2021 contract has lost significant value ahead of festival week. There were no much buying interest in physical market too. Last week, Dec 2021 contract was at $146 and lost $2.50 in this week. Dec 2021 contract has touched above $260 on 5th Oct 2021 and low at $112 on 30th Nov 2021.