Ok, let's take an ideal situation where there are two runners 2.0 each. We know that if one goes 1.5 than another should go 3.0 to keep book at 100%. But there is crossmatcher and we will not see the situation (preoff) when one goes 1.5 (let's say lay 1.49 - back 1.5) and other stays near 2.0 (let's say lay 1.98 - back 2.0 or a little bit higher) for a short time.jimibt wrote: ↑Fri Mar 02, 2018 9:52 pmtbh - i can't actually think how best to say this. what i want to express is that the market (irrespective of modulation) is boxed into a (roughly) 100% book% *box*. what this means in practice (in pre in particular) is that with judicious use of excel (and/or .net etc) you can start to measure the *piston effect* of one runner moving in vs another moving out. given that we have *normally* no more than 3 contenders making up 80-90% of the book it means that *we* can measure these machinations..Original-Soultrader wrote: ↑Fri Mar 02, 2018 9:15 pmProblem I have is scaling in - right now i just can't do it - once it moves in my direction it's all about the exit. Scaling in is something i need to practice - any fool knows when you are right to bet more not less, but the shortness of the trends on bf makes it difficult for me to gauge if i'm adding at the top.
I can scale in, but only if im committed to the direction and it moves against me - this isn't scaling in a such but averaging in. Now then can i tell your grandmother how to suck eggs
i'm guessing scaling in will come in time.
In short, start to look and observe correlations between closely opposing runners. if you can figure it in excel, you'll be halfway there to turning those machinations into actions.
In long, once you have a handle on this you may be able to trade it effectively in a manual way 1st, followed by an automated strategy once you figure how to let go of the emotional aspect of *being there* to babysit your gut feel..
anyway... just a few thoughts
[disclaimer] - i know jack sh!t about *manually* trading markets, so a pinch of salt and a dose of common sense should be applied to the above!!
Crossmatcher is killing this kind of opportunities. Or is there another scenario with more than two runners?