Not really- each MM is independant - so if one wanted they could trash the bid and ask hard and go from .03 to .003x .0033 or something like that
Each MM could set their price - they would just have to be willing to buy or sell near the price they went with
When my time on earth is gone, and my activities here are passed, I want they bury me upside down, and my critics can kiss my ass!
Robert Montgomery Knight - The General