Earlier quoted context omitted.
> Why do people doing normal trading want to avoid the exchanges that have HFT computers skimming money off their trades? What's "normal trading"? A prop desk at an investment bank? A hedge fund? A pension fund? Someone who's just installed Robin Hood on their phone? Most rational participants want lower trading costs and overheads, smaller spreads etc. HFT provides that - the evidence being "look at what the spreads…
> Could you explain how a market participant who makes one trade a day is negatively impacted by high resolution price discovery? They’re negatively impacted because the SNR drops when the gain is turned up and causes algorithmic ringing to perturb the price that would be generated by high quality signal. People who extract money by injecting algorithmic ringing into financial markets are a social parasite.
a) https://www.sefaria.org/Bava_Batra.90b.1?lang=bi&with=Introd...