Pattern design for a trading application

Do you know how trading sites/applications manage data and then display it?
e.g. prorealtime, tradingview, metatrader etc.
From our side, we receive raw data or already processed data that are just displayed?

I don’t understand why you down vote my post.
What is the difference with this kind of question?
Why does Java use :: for method references instead of .?

Is maintenance, feedback, or support an integral phase of SDLC?

They just ask questions

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Author: antho