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oh man you are too naive.

yes, very interesting, you can trust them: Central office: 127 Kirova avenue 36 Dnepropetrovsk 49000 Ukraine

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.

yes, I had to clarify I was talking about price action. I was thinking when I talk about real time it means price action. "madscan" - from other posts here don't has a good reputation. tick by tick - yes, but I doubt it would actionable too. the only way to use it if my server is on the...

The only interesting price action parameter is last price. everything else is fundamentals. these not need to refresh in a real time.

a lag? how much is the lag? how many symbols are possible without a lag?

Thanks for responses! Probably the name screener is not right. As I see screener is associated with static, meaning you have to click on it manually. The data coming can be real time but you have to click it manually. And no, I don't mean fundamentals. They are not updated so often so it...

That is probably best explanation about who is using C++. If you have the a long years of experience, know the internal CPU working (up to SSE instructions), analysed ASM code generated from different vendors' compilers, know tricks like bitwise computing, memory alignment, instructions...

I am looking if there are a screener refreshed in real time with predefined criteria. Reading about Yahoo Finance Market Tracker: http://screener.finance.yahoo.com/newscreener.html Screen with Real-Time Data In the description: Streaming real-time quotes, charts and stock screener...

Now, let we see how this will affect the market structure because paying rebates to MM for specific stocks will drive liquidity in these select stocks. From other side this liquidity and price structure is driven by different motives. From now on when you see a price action and increased...

What do you guys are thinking about this? As exchanges compete against each other for orders to pump up their data fees the market structure is becoming like supermarket introducing rebates...

I just discovered missing minutes in some instruments is some dates in intra-day minutes by minute data from where I get the data from. I believe we are talking about such discrepancies here.

Very good said.

What happens?

You are the programmer you can do everything. You have a full control. But not everybody can do that or has the time. [B] That is right. The new GPU's need the current software to be rewritten from scratch to use their capabilities. From other side there are a lot of opportunities to...

That is right. It depends from what you need - I was talking about high end graphics. One advantage of Windows 7 Direct 2D and 3D is very powerful graphic capabilities. One of it is zoom. You can zoom very fast if using latest GPU. The new zoom capabilities allow new way to use charting. Zoom...

I agree - my example was if GPU is used - they need a lot of power.

Do you evaluated Windows 7? Its Direct2D, Direct3D - supports CUDA based GPU's out of the box. It is not for games. No? Why do you talk then? linux for trading desktop? which trading software do you use under linux?

More a server like environment - not a GPU accelerator, non CUDA, slow Direct2D, slow Direct3D, probably 5 years old technology. Not a modern desktop technology.

Runs 64 bit Linux.