> Just to be fair I think any discrete time auction would reduce HFT. But is the reduction of HFT qua HFT really the goal? Making a market low-frequency will b

> Just to be fair I think any discrete time auction would reduce HFT. But is the reduction of HFT qua HFT really the goal? Making a market low-frequency will by definition reduce/eliminate HFT as a strategy but you will still have a lot of trading activity done by well capitalized companies using lots of expensive equipment. They will just use different strategies.