There are many different ways to obtain multiple monitor trade stations... You can buy one from a company that specializes in making them: This link goes to Day Trading Computers as an example of what is available.
Or build one yourself - do you have some older unused monitors laying around? If your current machine has extra video strips on the motherboard, you can install video cards and hook up more monitors. Or You can buy inexpensive video adapters that use USB connections and install up to 6 more screens...This link goes to a TigerDirect page with many different adapters that are available
Windows 7 and 10 operating systems can accommodate more than 10 monitors of differing sizes and resolutions.
Below shows my trade station set up - it was built in 2012 running Win 7...it has 2 Dual Video cards and 4 video adapters for operating 8 monitors in total... Still running fine after all those years.
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