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I do 200,000 shares/day on about 400 trades... And after 15 years... I do not even know what the ECN rates are. My profit margins are in the low 70% range in normal markets.. (That's well over $0.01/share net)... So my priority is to maximize volume... As opposed to maximizing rebates...

Only primitive, dated clone programs cannot run in the background... And force users to jump through flaming hoops of fire. I've been using Casper for > 3 years with 100% reliability... On all my PCs. http://www.fssdev.com/products/casper/ A good, simple solution is: (1) every PC...

Not only that... These ratios are often calculated incorrectly. You cannot analyze fund performance using only these type of metrics... You must understand exactly why a fund is outperforming... What EXACTLY is the fund's competitive advantage? Given 1000 monkeys... 2% of them will...

Several K/month on a feed... Is dwarfed by the $100K/year that a competent C++ engineer commands. Even a shoestring Algo operation... Will have 2 traders and 2 engineers plus some admin staff... So you are looking at about $500K annual fixed office costs... If you are dying to...

Geniuses simply and simply... to an elegant end point... In contrast, smart people complicate the hell out of everything... They cross the street via the North Pole... And think that makes them a "genius". As a software engineer... I have spent 15 years optimizing and ** simplifying ** my...

$1-2K/month is chickenfeed... I manage mid-7 figures and do 500 trades/day... And the 200-300 stocks I track account for < 1% of all ticks. Probably 80-90% of ticks... Are generated by crippled, trash stocks like C and CIT... And 100 others like it... The sort of game where you will be...

Life 101... if it's free... The vendor bears NO responsibility for problems... And vender will not allocate scare resources to fix/improve free product. What is rocket science about the above? Therefore... IB FREE STUFF = CRAP = UNPROFESSIONAL

Nice post. "DTN NxCore is extremely efficient in bandwidth utilization and will save you thousands of dollars in monthly communications costs. In a single T-1 (1.5mbps), it will fit 40,000 quote and trade updates per second; In 6.0 mbps, it will fit 160,000 updates/sec." "DTN NxCore...

Not true... If you have slim profit margins, say 10%... Your profits will be much more volatile... And you will not survive a crisis eventually. As a general rule for stock traders... If your margins are less than 40-50%... You will likely go out of business in the long run. If you...

This guy gets it. Also... Anyone who would use free IB quotes to trade stock... Is a cheapskate and unprofessional and has a LOT to learn. Also... On my roughly 200,000 shares traded today... NYSE was 50% and SMART was 31%. I'd rather not rely on stock quote data... From a Market...

How exactly is this news? The preferred exchange has been fully priced in... As best as the market can figure it out. Unless the size of the exchange is increased... How has anything changed? http://www.istockanalyst.com/article/viewarticle/articleid/3256454

You will learn > 90% of your wisdom... From analyzing your losses with laser focus. If you do not obsess about why you f-ed up and lost money... And find ways to limit similar future losses... You may as well quit yesterday.

If you are an experienced scalper... And especially if you are well automated... The fragmented Forex universe plus ETFs... Is like a candy store for a Quant. But your margins will be slim... Like $100 net per $1 million traded. Conversely... Forex is hopeless for inexperienced, no...

None of your posts in this thread make any sense... And are not helpful. At 10 million shares/month... IB would charge you $0.0017 PLUS all fees... So a typical trader would be paying about $0.0027-0.0028/share... Based on the way SMART routes orders. That's pretty much the low water...

All that matters... IDEALPRO is a clean, straight-up ECN... And I get price improvement on about 20% of Limit Orders... Everything else is window dressing... And you can build what you need proprietary. I've seen countless hi-volume traders and firms... Stick with IB for years and pile...

There are at least half a dozen Forex ECNs available to retail... If you got IDEALPRO... Why would anyone be waiting for the CME? Also... Why would anyone believe the CME is on-the-level? These guys are old school artists... "Regulated" means virtually nothing. I know for a fact I'm...

After reading this... I'm starting to worry about the meth lab in my basement.

Dude, all I have to see is this... And I know your lazy ass will fail. You would rather sleep than trade... But your competition would rather trade than sleep. Not only that... Your Perpetual Motion Black Box is an uber-sub-optimal Fantasy... Guaranteed to start behind the curve...

Yes. But the logic is hardly rocket science... They are all doing the same thing... Running variations on Market Making or Relative Value algorithms... But with low latency. A lot of this is a commodity circa 2009. One can simplify all this... And view Algo Trading as a separate...

It's fair to point out... That if you are not a long term winner... In pseudo-Zero Sum Games such as trading and poker... You have no business commenting on the fine points of such. The following is a must read for both Winners and Losers... The Winners will immediately recognize which...