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If I were buying a computer for trading, I would get something like this https://www.newegg.com/p/1VK-001E-413T5 Throw out the 8 gigs. Buy 16 gigs of faster 3200 memory for under $100. Buy a large hard drive +/- $100. $760 + $243 for the 4K TV. These are cheap computers, and at this point...

I give up. Somebody else take this. I have used multi-monitor setups at work and large TV monitors at home. Large TV all the way for me. Anyway, Have a good day

Of course it will display more. Your operating system allows you to scale your everything up/down. Scale them to the size that is comfortable on your 27". Scale them to the same size on your 55". You can display twice as much and it works in portrait mode (of course it is up to you to figure...

I have used 5 different 4K TVs for monitors, over the years, from 39" to 55". They work spectacularly well. Two SEIKIs, one JVC (not as good), one TCL 55" (does not fit in my current space), and an ONN 50". All from Walmart. My development machine has the ONN 50" Roku. Wow, don't even think...

Saving the raw data seems best to me too. Then do with it want you want. My data solution is not the best, but I'm off working on other things. I, and I'm sure others, would love to hear your experiences with Polygon.io and a comparison with IQFeed. They look pretty good. Keep us posted...

You would be surprised how many times I open up the data files to help me figure out why something doesn't work. The data format has changed. Or some field that should have data doesn't. Or some unaccounted for error from the data vendor has occurred. Or... I had one a few weeks ago where I...

Hi Daniel.a, Instead of a database, I keep historical data in CSV files. The file structure looks like this: Historical Data --DTN ----DAILY ------A --------A.csv ----------RequestID,2020-06-19T02:07:46,89.7900,87.7600,89.4100,88.7300,1784741,0...

Never had a problem with the API in Java. Seems very solid. That said, writing code to buy/sell, short/cover in a robust manner can be a big job, even for programmers.

I use Java. I was a C++ programmer for many years. I would choose Java/Kotlin or C# but C++ or Python are fine depending on various factors. Fewer lines of code should not be your goal. Readability, maintainability, extensibility, etc. should be. Python was designed to be mainly a quick...

C++ is faster than Python. C++, Java, and C# are all well suited for fast code. Well written they will easily handle your needs. If you need your algorithms to run even faster the general solution is to modify (or find a modified) the Linux kernel. If you are only trading the ES Python would...

1) Sorry, I did not mean to imply that IQFeed worked with TWS. MultiCharts, Ninja, etc. will let you pick your data feed and broker separately. IQFeed for data and IB for your broker is very popular. I have written my own trading platform that does that. Use IQFeed for data and IB for the...

I use TWS (and/or the gateway) with data from IQFeed. Very Fast on very old machines. I have read that TWS chart backfill (every time you open or switch charts) is very, very slow (may not even happen?). I don't think this is TWS but the IB server. IB is not a data provider so don't expect...

BIG1RED9. This is a nice thread. I used TradeStation many decades ago, but the very first thing I wanted to program could not be done. At least not without writing DLLs. I also have MultiCharts.net. I've never really used it. I use IB. I, and maybe others, would be interested In your final...

I'm sure you know this but others may not. Some brokers back-fill their real-time charts. This means that when a trade is reported out of sequence, the chart is "corrected" after the fact. This, of course, is very bad for traders. These are trades you could not participate in. You will look...

This probably is not a problem. IB doesn't use their API data feed for anything except powering your charts. Trading using IQFeed data is probably much closer to what IB is using internally.

IQFeed consolidates a bunch of ECNs. Not everyone does (TradingView comes to mind). I don't know what IB does (though they aggregate what data they do have around every 200ms).

I believe IQFeed has an ECN field (I've never used it) in their data stream (not historical data). I don't know but MC probably can't use it (ask). If you write your own code (Java/C#/C++/Python/etc) you can access the field via the API.

I trade stocks and ETFs using IQFeed real-time data and IB together. My universe of stocks is just a filter of the most liquid stocks above $5. Never had a problem with symbol Match-up.

Keep in mind that any old machine can receive and process tick data for over one thousand of the most liquid stock symbols with very little CPU overhead. I do, but I don't use any charts. Charts are the killer of performance. I once wrote an experimental charting library that would display...

Buy an onn. 4K TV from Walmart. 50" or 55".