[UrmaBlume]

Todays trade saw unusually strong, perfectly coordinated selling by commercials in all major US equity markets.

At EXACTLY 0828 PST, 1128 EST there was very strong, computer based technical selling in the S&P Futures, The Dow Future and the NASDAQ 100 future. I can verify that this selling was coordinated down to the millisecond.

Here are the 3 screenshots that tell the story:

[UrmaBlume]

The same selling noted in the previous post happened again at 1224 PST, and again in all 3 markets:

In addition this indicator game up 3 great trades today (09/17) which can be seen here

[BlowFish]

Originally Posted by UrmaBlume »

I can verify that this selling was coordinated down to the millisecond.

I think it was your very post here that I quizzed you about your infrastructure. I thought you where using tradestation data? Or are you getting a data feed that is time stamped at the exchange? I am going to go out on a limb here and call hyperbole. That's not to say that this is not a pretty interesting post but as I've said a million times (hehe) milisecond accuracy isn't plausible. Transactional latency on the CME systems is likely to be up to an order of magnitude greater than milliseconds. I hope I am not sounding pedantic but it might shape other peoples expectations.

[UrmaBlume]

Originally Posted by BlowFish »

I think it was your very post here that I quizzed you about your infrastructure. I thought you where using tradestation data? Or are you getting a data feed that is time stamped at the exchange? I am going to go out on a limb here and call hyperbole. That's not to say that this is not a pretty interesting post but as I've said a million times (hehe) milisecond accuracy isn't plausible. Transactional latency on the CME systems is likely to be up to an order of magnitude greater than milliseconds. I hope I am not sounding pedantic but it might shape other peoples expectations.

Easy BlowFish. The point of interest here is that precisely coordinated selling at an abnormal intensity in 3 related markets got knocked off.

Of course you are right about millisecond accuracy. Everybody with experience at that level of operation knows that. The point is that the code is written to millisecond or even microsecond time stamps so that is the time frame most practioners use as a reference. Also, there are, indeed, ways to handle Trade Station data FROM inside Trade Station with millisecond granularity. Not as good as thousand dollar a day data sources that put you cheek to cheek with the exchange but certainly close enough for practical application.

For everybody but the Goldman's of the world and from a practical standpoint the issue has always been one of method rather than of latency.

Whether I work with milliseconds, microseconds or half-hours is not nearly so to the point as the fact that in the sub 1 minute time frame this indicator spotted this very significant anomaly in commercial trade in 3 different markets.

Certainly the signals were timely engouh to allow entry at very advantageous prices and after all shouldn't accurate, timely indications of profitable Trade Points be the most valuable product of any Trader's Laboratory?

Call the millisecond, micorsecond, half-second point poetic and or technical license and liberty and take a broader look at a very rare view of a rare occurrence.

[BlowFish]

Absolutely. Interesting post. I was in two minds whether to say anything but I figured it might have some value to people that are following your work (and that is quite a few if the PM's I have had about code are anything to go by). Certainly it wasn't just to be argumentative and I apologise if it seemed overly critical. Some people perhaps don't have a good idea of 'scale' and perhaps it might be helpful to them (particularly if trying to come up with their own indicators, that level of precision is not necessary and probably unattainable in windows on PC hardware).

For example when an app requests data from disk it can take 10 or even 20 milliseconds before the first byte is delivered. DSL local loop delay can be 30 ms. Light will get about 300km in a vaccum in a bit over a millisecond.

[ZOSO]

So what?

You have a great indicator and the rest of the world doesn't. Good for you and bad for us. Why do you get such pleasure rubbing it in our faces? We recognize your superiority and mastery over the markets. Poor retail schlebs like us aren't as blessed or gifted.

We all understand your theory and how the indicator supports it, but give it a rest already. Unless you open up the kimono (which you said you won't), there is nothing more to be learned by plastering the forum with these charts day after day.

What your doing here is exactly the same thing you did at ET and you got banned for it.

[Frank]

have a question,

in most of these screen shots you post there is a simple pattern -- a ton of block orders after a swing in one direction followed by a moving average crossover in the other direction, which seems to confirm it was buying or selling. (I am not talking trade set-up here, just recognizing commercial activity). if you see a situation that doesn't qualify for this, large block orders with a MA crossover against last swing -- can you discuss perhaps why that would not be a good way to track commercial activity? if there is no edge past the opening 2 minutes of this occurence, then I would say its just a short-term scalp and so there is nothing in these screenshots that will ever be useful to anyone here. If that is the answer, then so be it -- just curious.

[UrmaBlume]

Originally Posted by BlowFish »

Absolutely. Interesting post. I was in two minds whether to say anything but I figured it might have some value to people that are following your work (and that is quite a few if the PM's I have had about code are anything to go by). Certainly it wasn't just to be argumentative and I apologise if it seemed overly critical. Some people perhaps don't have a good idea of 'scale' and perhaps it might be helpful to them (particularly if trying to come up with their own indicators, that level of precision is not necessary and probably unattainable in windows on PC hardware).For example when an app requests data from disk it can take 10 or even 20 milliseconds before the first byte is delivered. DSL local loop delay can be 30 ms. Light will get about 300km in a vaccum in a bit over a millisecond.

BlowFish,

Thanks for the kind words.

I too have had many PMs & emails about this and other or our indicators and I am very appreciative that the vast marjority of them have been so complimentary and suppotive.

I especially applaud those with the intellectual capital, market understanding and technical ability that report a significant increase in the efficacy of their trading as a result of their efforts to build their own versions of our work.

Long-term successful trading is not about instinct, divine inspiration or spontaneous intellectual combustion. It is about intelligent data processing and sound method and those willing to think for themselves and do their own work will usually lead the pack in any endeavor.

Thanks again for the kind words and your many contributions to this community.

cheers