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To my knowledge, the best everyday example is the point in time when a specific atom of a radioisotope emits the radiation.

You're probably best off entering your orders smart unless there is only one exchange at the price you want to hit and it is purple. This is the situation where "smart" definitely ignores price.

Then how do you explain that there are no "good traders" making money at roulette tables?

I have lived in Siesta Key for about a year now after relocating from Southern California. The beaches here are more beautiful than those in California, but you will encounter lots of humans here, too. Regarding traffic noise, first of all there are lots of idiots here who take pleasure in...

Have you looked at ES at all? Most people seem to find them a little smoother than the NQ, and last time I checked they were more liquid. BTW, I was born in Vienna. Nice little town!

Do you mean "loosing" or "loosening"?

This forum is getting more and more helpful.

Interesting. If you assume an average share price of 50, and if you use 4:1 margin, you will have $30,000,000,000,000,000,000,000,000,000 by this time next year. Ah, wait! I didn't account for income tax. But that should only be a few sextillion bucks...

That is not necessarily so. I can devise a system which will make you money 99% of all days just flipping a coin. But on the 1 out of 100 days you will lose 99 times more on average than you make on your average winning day. And that's also where the mistake in our initial randomness tests...

I did a similar test on 1-minute bars of the NDX a while ago and came to the same conclusion: If you just look at whether the next minute is up or down, prices appear to be totally random. But obviously EricP has a point, and I knew that, so I started thinking, and the next step was pretty...

You said it. Liquid current or next month ATM options. If you write premium you gain an additional edge. The options exchanges seem to be in sufficiently strong competition to quite frequently execute you even in crossed markets. Also, as a trader you can view a wide spread as an...

I guarantee you that I will personally buy any option from you for its exact intrinsic value up to 3 days before its expiration. Does this solve your problem?

Thank you for the input. I wrote my master's thesis in algebraic topology. It's kind of like my trading indicator: A very simple, very basic concept, but extremely complicated to translate into formal math / computer science. In a way, my trading indicator is the most basic one I could...

I don't believe this is quite correct. I believe the thought should be like this: I buy a piece of paper for $100 now that is guaranteed by Uncle Sam to be worth $110 exactly three years from now (hypothetically). That's an APY of 3.2%. If interest rates rise tomorrow and I can buy a...

It may be, but if it has been strong all day chances are it will jump up even harder once the inefficiency is taken care of. And if it doesn't you usually have enough time to get out quickly without suffering a big loss, since the sellers will wait for the futures to start going down again...

That's what I am concerned about. Would anyone happen to have a quantitative idea of how changes in interest rates would affect SHY?

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You have said it yourself, if I buy SHY there will be no need to move in and out of it, since IB will allow me to leverage against it. And the 2% or 3% that SHY might provide still beats the 0% IB would pay on $10,000 in cash. The reason why I am thinking about SHY now is that until last...

That's right. Don't look for meaningful divergences. I believe it all comes down to this: You are sitting there at 2:55 pm Eastern when you suddenly see the ES taking off. They move up 2 points within seconds, and large cap stocks are starting to rise. If one of them lags behind a few...

Good luck trying to see what I am seeing. Assuming that maybe 1% of all traders have an equally unique approach to market data processing, you will need lots of monitors. And assuming 1% of all those use calculations that are as intensive as mine, you will need lots of CPUs as well.