What are some (illegal) tricks that market makers use?

[bone]

It’s 2019 and delusional souls are still trying to use a mouse and a manual order book over a Comcast Xfinity line thinking they can scalp electronic markets against PROP FIRMS who are using sophisticated algorithms, spending $75K per month on ECN, and PAYING stock exchanges for order flow.



It’s NOT the MM’s who are making your life difficult! MM’s do NOT have the power to replace your priority in the order queue or to see your orders in advance in order to front run them.

It’s your doomed strategy . As SIG so capably elucidated be honest with yourself and your trading will improve.

 

[murray t turtle]

What are some of the illegal things that market maker's can/can't do. Or some things they used to do but are now illegal?

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Don't know if its illegal LOL; but MM cant '' overpower platforms ....play with your nerves on critical market conditions'' like a Fed day. Forex types may do that, but even many of thier ads disclose -you cant lose more than your original investment LOL
And its really hard for any MM to give you a real good fill on a semi liquid stock; but anything could happen.

And even the best MM cant read minds; but they can be quite helpful.,