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If you can't make money off 100s of stocks with $0.03 to $0.04 spreads... And then blame it on "predators"... Why should anyone listen to you?

The basic Art of Trading has not changed much... People who try to substitute off-the-shelf technology... For hard earned trading EXPERTISE... Are wasting their time. Actual professional EXPERTISE in any field = 10,000 hours... And cannot be circumvented with bells and whistles.

This post was muddied from the start... Because the ZH example was micro-volume. Low volume would be something exotic trading 100,000 shares/day... That eliminates ETFs, ETNs, or tracking vehicles. Exotic means it requires real human EXPERTISE to avoid pitfalls... Which "HFT robots"...

No. I see no role for conscience when trading electronic markets... In fact, you are doing a lot of social good by providing liquidity. In contrast, poker REQUIRES that you be a SOCIOPATH... Because you seek out the Halt and the Lame... And take away their rent, food, medicine money.

I talked to Bright managers extensively about 5 years ago... There is nothing the OP has done... That they have not seen a million times.

Market Makers routinely have Sharpe ratios > 2.0... My ratio over the past 13 years is 2.87. And I have had 3 years with Sharpe > 4.0... And one losing year out of 13 which had a negative Sharpe... Totaling 1,000,000 trades averaging about 300 shares. You could never do this with any...

You have no idea what you are talking about. Software development is not about "basics"... It's about advanced problem solving skills... Which take 10,000 hours to develop (if you have the talent)... Just like any other serious professional discipline.

Maria is on a very short list of women I'd love to ****... And Joey Ramone felt exactly the same way.

OK, I only watch NBBO bid-ask. This would only interest me after a $0.30 to $0.50 intraday decline... Depending on other factors as well. So bid-ask is 26.21-26.29 after decline... I would send 2 orders via IB SMART... Buy 300 at 26.34 and buy 300 at 26.28. I would almost certainly...

The problem is: I could write a 50 page manual... Describing my trading operation in extreme detail... And you are just back to the Zero Sum Game reality. The 2% that can compete don't need my manual... The 98% that cannot will be unable to implement it.

Creating a single point of failure/error... At a complex, 3rd party, NAS device... Is very poor design for a trading operation. You are either spending $5,000,000/year and completing with banks... Or you are not playing the latency/data warehousing game... There is no real middle ground.

Charlie don't surf. Charlie provide Consulting Services.

This thread raises the interesting question... Whether "HFT robots" have caused a drop in volume/liquidity... In "illiquid" stocks which I will define as trading 50,000 shares/day. My gut feeling was that liquidity is about the same... But after looking at > 10 stocks trading in the...

https://angel.co/quandl It's riddled with missing data. https://angel.co/toronto It's about #100 on startups in Toronto... Probably valued at low 7 figures already.

At least Jim Rogers has better taste in parks... And White Suit makes him Alpha Hobo of Central Park.

All the value from data analysis... Comes from stuff that is nontrivial to integrate.

Not true at all... They're illiquid because they have a small float and zero interest. This stock trades about 2,000,000 shares/YEAR... I've traded about 125,000 shares or 6% of total volume. But I trade HUNDREDS of stocks of varying liquidity... So it all adds up. Again, the Dude just...

How is $5,000/year for an accounting firm "expensive"? If you don't have annual Financial Statements... That jive with your Tax Returns... No serious person is going to "audit" bare trading records... For obvious reasons (incompleteness, multiple accounts, etc). And this is not...

The author doesn't know how to trade an illiquid stock. How does that turn into a ZH piece on "HFT robots"? They may as well have done a major piece on "breast implants".

The entire ZH post is completely idiotic. The stock in question trades < 5,000 shares 50% of days... Most of that on the NYSE. Only a complete amateur would believe such a stock... Is manipulated by "HFT robots"... But most ZH readers are complete amateurs... Coiled in a fetal position...