On the contrary - that article seems to show that the London fix is a free market process. If an individual bank wants to increase the price of gold they must c

On the contrary - that article seems to show that the London fix is a free market process. If an individual bank wants to increase the price of gold they must commit to buying gold at great volumes to cause that market movement. OTOH if all the banks conspire to move gold in some direction, any one of them can betray and profit at the expense of all the others knowing the movement is artificial.