At the London Metal Exchange (LME), cash aluminium bid stood at USD 2,566 per tonne, down 0.21 per cent from USD 2,571.5 per tonne a day earlier, while the cash offer price also dropped by 0.21 per cent per cent to USD 2,567 per tonne from USD 2,572.5 on August 19.
The three-month contract also eased slightly, with the bid and offer both falling 0.23 per cent, to USD 2,567 per tonne and USD 2,568 per tonne, respectively.
Far-dated contracts were broadly stable. The December 2026 bid edged down 0.04 per cent to USD 2,622 per tonne from USD 2,623 per tonne, while the offer price slipped by the same margin to USD 2,627 per tonne from USD 2,628 per tonne.
The three-month Asian Reference Price was reported at USD 2,576.50 per tonne on August 20.
Stocks were unchanged across sessions. LME opening stock came in at 479,525 tonnes on both August 19 and 20, with live warrants at 465,475 tonnes and cancelled warrants at 14,050 tonnes.