A screener refreshed in real time?

Quote from fullautotrading:

tick by tick is perfectly doable, even with several dozen instruments simultaneously and an ordinary home connection and with decent pcs. Especially if you confine yourself to price action and straigthforward computations. (Clearly, must use the right tools: do not expect to use excel!) Most indicators are good for "descriptive" purpose only ("prevision of the past"), anyway, and are of no value whatsoever, when it comes to trading.

Tom
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Yes, tick by tick is doable, on home connection and other. But the reason to use tick by tick is to be able to react at close speed. If you are not physically close to the action (exchange), tick by tick doesn't matter much. Yes, forget about excel. Indicators, too.
 
Quote from thstart:

Yes, tick by tick is doable, on home connection and other. But the reason to use tick by tick is to be able to react at close speed. If you are not physically close to the action (exchange), tick by tick doesn't matter much. Yes, forget about excel. Indicators, too.
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My personal experience tells me that is often useful and beneficial dealing tick by tick. Especially working with automated tight scalping.

[You may even use a "look ahead" approach where, under some condition, you can expect to fill ahead (with good approximation) the series of bid/ask being received (eg. your last received data was a bid value and you need to buy (formulate lmt price based on next expected ask)), and viceversa). ]

Tom
 
What are the right tools? Do not laugh, but I am scanning 10 symbols at once with real time T & S data in excel.

From here my thought was to develop a program in C, but are there any shortcuts?

Thank you for helping me get started on a longterm project!

Quote from fullautotrading:

tick by tick is perfectly doable, even with several dozen instruments simultaneously and an ordinary home connection and with decent pcs. Especially if you confine yourself to price action and straigthforward computations. (Clearly, must use the right tools: do not expect to use excel!) Most indicators are good for "descriptive" purpose only ("prevision of the past"), anyway, and are of no value whatsoever, when it comes to trading.

Tom
More...
 
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