Maybe requiring registering and stress testing of HFTs over a specific volume is a solution. Or as a cost of registering a HFT is a requirement to "make the mar

Maybe requiring registering and stress testing of HFTs over a specific volume is a solution. Or as a cost of registering a HFT is a requirement to "make the market" whether the HFTer likes to or not , there should be plenty of opportunities to hedge or offset any unwanted positions.