+1Quote from sle:
... making markets for a large IB and our platform was a variation on Murex. So, yeah, you can and people do. I would even venture as far as to say that internal platforms at most places are actually worse then these commercial products...
Quote from quatron:
...Most successful PMMs I know started with some commercial product like Orc and then built their own. ... I'm talking about IMC/Optiver/Tibra/Liquid etc. Your statement contradicts itself - if their systems are worse than popular commercial ones then how come they can compete and take large market share?
Quote from cdcaveman:
i actually did some exploration into this... freaking bam looked at a few of the places mentioned and realized how fucking valuable it is to know how to code such things.. this why quant programmers are getting the fucking big bucks..

Most of the ibanks couldn't fulfill their PMM obligations without being arb'd to zero by prop firms with better technology.Quote from quatron:
Sure, most of them can't be bothered about PMM role. Doing some MM stuff only to collect rebates to fund index arb.
What's the difference in your view?
Quote from quatron:
.. Doing some MM stuff only to collect rebates to fund index arb.
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Any IBD can cross an option between customer and post to the exchange (as long as it's within NBBO), most large guys internalize option flow. Is there something different about Knight?Quote from quatron:
Both sides of a trade are done on exchange by a broker.
Quote from Rationalize:
Most of the ibanks couldn't fulfill their PMM obligations without being arb'd to zero by prop firms with better technology.
Banks MM for market share, to facilitate customer flow, to build a relationship with an issuer, or to bid their own warrants.
It's not the primary business.
How do you see it from the prop shop perspective?
Quote from Rationalize:
Sounds like you're in HK![]()