of China (BoC) and Industrial and Commercial Bank of China (ICBC) are both already members of the LBMA. ICBC is also about to complete the acquisition of the London commodity arm of Standard Bank, another member of the London Bullion Market Association.
Both banks declined to comment on whether they were interested in joining the fixing group.
If no buyer is found, it could potentially continue with just four members, but that is unlikely to happen. Gold traders say the benchmark still has value, helping them to hedge risk, which would be more difficult if they were negotiating sales privately with each client.
"There isn't really another way you can get a fair snapshot of the market twice a day," one gold trader said. "If the fixers step away, it leaves it open to questionable prices being put through, with no reference to where the actual gold price is."