I would use the ask if I am buying and the bid if I am selling/shorting. If you don't do this in your models and you have a high velocity model...
I am new to this forum but there seem to be a lot of predictions (not all but too many!) without any particular rationale being mentioned. What I...
What you have discovered is that it is difficult to make money but that doesn't mean it is a scam or impossible. As with everything else it takes...
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