Python Developer - HFT Trading firm - Chicago, IL

[Lawrence D'Oliveiro]

In message
<a10be304-96dc-4fb3-bf9f-35652477e289 at f20g2000pro.googlegroups.com>, Raymond 
Hettinger wrote:

> On Aug 21, 2:30 am, Lawrence D'Oliveiro <ldo at geek-central.gen.new_zealand>
> wrote:
>
>> Wasn’t HFT an exacerbating factor in just about every major stockmarket
>> downturn since, oh, 1987?
> 
> IMO, it was a mitigating factor.
> HFT firms provide liquidity and help price discovery.
> Investor sentiment is what drives rallys and crashes.

Someone who doesn’t understand how positive feedback can lead to 
instabilities in a dynamical system.