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One day, you'll learn the difference between expectations that make it worthwhile to close a position, or to further open a new position in the other direction. Apparently, that day for you ain't today. :cool:

The concept is 100% bullshit. It's right there with the idea that the markets rise when "bulls are in control." Utter nonsense. Markets rise because of a quantity imbalance of D>S. Markets fall because of a quantity imbalance where D<S. No magic involved. Ultimately...

He doesn't have to expect a bounce. He covered a short position -- that would be rational if the expectation from continuing to hold was $zero or $negative. A lack of further decline does not equal a bounce.

Not familiar with the book, but I'd be interested in how the author tracks things from the academic journals to "practitioners". (AND how fleshed out his end notes are. :thumbsup::thumbsup:) Any thoughts? The last time I specifically looked for it, there was no such bridge -- so 'good on him'...

Meh. You two do realize that you've killed an applied math/methods thread just to play with each other, alone? Have at it, boys.

You mean like this??

You were railing about attempting parametric use of non-stable/dis-continuous data stemming from stochastic processes, esp. wrt financial markets. I made the mistake of chiming in; I'll avoid such posts in the future. :rolleyes:

https://www.elitetrader.com/et/threads/machine-learning-and-neural-networks.332153/page-3#post-4852295

If you like mean reversion over trend, what are the advantages? Sorry, but it's two sides of the same coin. You can't have a trend without a varying path. (Elsewise, it would be a vector.:wtf::rolleyes:) You can't have mean reversion without a mean. ("Hello!") You can't best-exploit a trend...

You are young. And a little quick on the trigger to fire off such a vile post in reply to some innocuous commiseration. Whatever. Offense not taken. My artful haiku remains artful and wonderful. (IMNSHO. YMMV. OIMMBCTTA.)

"Stable data..." Yeah, you can preach about that all you want, but you are calling "Naked!" on the A.I. Emperor's New Clothes. (Woven from Machine Learned looms, y'know! :wtf:) You're going to be ignored. (As you might have guessed.) Anyway, a little haiku for you.... Poisson sought Gauss'...

"Whut?" That is the stupidest stuff I've heard. Half-or-better of any guidebooks I'm using are the grad school texts (all pretty basic) from when I was in school in the early 80s. Puh-lease. And to be clear, when citing papers, these texts are citing from the 40s, 50s, 60s, and 70s. My X never...

ONE MORE THING! BTW, having your TWS settings saved to the IB server and to your own computer and hell, exporting the final config to a gmail -- yeah, that's a great thing. But if IB imposes a TWS change on you that suddenly wipes out all of your settings (from column orders to hot keys to page...

I have "taught" half-a-dozen persons to trade. Male; female; younger; older; educated; not. They all made money while under observation. And they all lost money out on their own, to the degree that they thought they "got it." The ones that were scared and kept going over fundamentals lasted...

Hence, EOD data. :D I appreciate the elegant nuance of the calculus, but remembering that the primary root of differential equations is difference -- that really knocks things down to a tidy bunch of spreadsheets. I hate to make this analogy, but it's as if the pdes were the scenic route, while...

Keep playing with it. TWS is *so* flexible, that there are 2-3 4 ways to do *anything* -- including (or, especially) constructing spreads. Unfortunately, the DUMB way that IB defaults, you are buying (oft-times) what you thought you were selling, and for a negative price. ("Huh??") The good...

...And if it's truly a system, then you can code it. If you can code it, then the code does not/will not care about on whose computer it is run. Period. Now that said, it is not *necessary* that every system be coded -- it is only necessary that you *trade* it that way. That you *execute* it...

So iregardless, their all lazy, all right. (Okay, so, I count 5 irritations right there. But that's just righting. What about the more pertinent? • "Zero-sum game." • Technical Analysis predicts the market. • HV v IV, oh GOD. But for that matter, • "Vega" is NOT a greek. • "Price Action"...

Famously bad idea. Entry(s) should be strong. Exit(s) should be max(π) -- which generally means max(E[π]). :rolleyes: Ergo -- nearly zero connection with an exit on one side, and an entry on the other. :thumbsup:

False. • First, trading is not a game, it is accounting. The choice of when/how to trade is probabilistic, and subject to gaming. The actual trade is an accounting operation, or else it is subject to a nasty forensic exam. :wtf::confused::( • Second, the actual "zero-sum" claim (like the...