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It does work!

Futures trade on a single exchange while stocks trade on multiple exchanges. Stock traders want to see where orders are and possibly route there.

So multiple threads will access/modify same order? Why? What if you run out of threads, how do you scale?

Why is this a requirement? Can you have multiple ledgers - one per thread/process? For example, if you have a matching engine, it would be one per symbol.

https://www.bloomberg.com/opinion/articles/2020-08-31/insider-trading-is-rife-with-no-regulators-in-sight

https://www.tradersmagazine.com/am/us-equity-market-prepares-for-new-orders-and-exchanges/

I was watching Mark Melnick's video and one of his "powers" is (he is trading news stocks) knowing which analysts to pay attention to and which to ignore. For example, ROKU below (my example, not his - I'm not a member or his service) So I am thinking there must be a service that measures the...

They have customers who collocate and can handle the load.

Nanex? He said the quote is out of his price range. He is trying to subscribe to ALL equities trades+quotes. For scanner, not market making or even trading. Floating point up to SIX decimal points should be the least of his concerns!

Lol, you have pretty big expectations. I doubt you can find anything better for the price, but let us know if you do.

RH has salesmen? No way they will be shut down - selling to Muppets is what Wall Street is all about.

I just can’t watch this rally with no pull back and not get long volatility ... if I am wrong, so be it but September is coming and all the rest of it - got to try.

Oh, it will spike, but by that time, my avg price might be too high to benefit :)

So short vol? I have been averaging down VXX(long vol), but I don’t like to be on the opposite side of the guy in the video :) Should be interesting.

I would be curious to hear from people who understand this stuff what they think about below

Growler, so meant to ask you, are you 100% on Linux?

There’s always a config option that’s impossible to find. I think I had similar problems and they said to switch to Classic to change the parameter, it will automatically change Mosaic.

Wasn’t it like this forever? What is accelerating this trend - fragmentation + HFTs?

I’m looking too. Using free TOS, thinking to use DAS Trader.