ARCA or INET - who is more liquid?

Quote from cashonly:

Now that INCA and ISLD have merged, which is the more liquid ECN - INET or ARCA?
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One thing to remember when trading ARCA...the "give up" you see on the screen (ARCA, of course)...shows up on most traders screens the same whether it is a liquid ECN order, or a bid/offer from one of their market makers. As most of you are aware, the MM's bids/offers are not "pure" Electronic execution...in other words, you may click them and they go away...not a big concern, since this the way the OTC MM system works.

I was on the phone last year with Jerry Putnam, the big boss at ARCA, discussing this quoting method...and he acknowledges the MM's as well as the ECN quotes may appear the same on many screens...

You should test for yourself....as always, understand the system, play well.

Don
 
Quote from Don Bright:

One thing to remember when trading ARCA...the "give up" you see on the screen (ARCA, of course)...shows up on most traders screens the same whether it is a liquid ECN order, or a bid/offer from one of their market makers. As most of you are aware, the MM's bids/offers are not "pure" Electronic execution...in other words, you may click them and they go away...not a big concern, since this the way the OTC MM system works.

I was on the phone last year with Jerry Putnam, the big boss at ARCA, discussing this quoting method...and he acknowledges the MM's as well as the ECN quotes may appear the same on many screens...

You should test for yourself....as always, understand the system, play well.

Don
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Wow Don I really never noticed that from Arca, I have always found them to be very liquid

Regards
 
Quote from Don Bright:

One thing to remember when trading ARCA...the "give up" you see on the screen (ARCA, of course)...shows up on most traders screens the same whether it is a liquid ECN order, or a bid/offer from one of their market makers. As most of you are aware, the MM's bids/offers are not "pure" Electronic execution...in other words, you may click them and they go away...not a big concern, since this the way the OTC MM system works.

I was on the phone last year with Jerry Putnam, the big boss at ARCA, discussing this quoting method...and he acknowledges the MM's as well as the ECN quotes may appear the same on many screens...

You should test for yourself....as always, understand the system, play well.

Don
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Don,

Can you explain this in a little more depth. Are you referring to OTC or Listed quotes. I am not exactly clear on what it is that you are stating here.

Thanks.

MACD
 
Hmm , news to me, and 99.9% of traders I'd guess IF what you are saying is true. You mean tell me that an ARCA quote from a MM is not firm and executable?
 
Still waiting for the explain. I refuse to trade until I'm clear on how an ARCA post can not be 'live'. Meanwhile, you can find me at the slots.
 
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