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[Roxxy]

What kind of robots and what are they for
A trading robot is not a two-legged android made of metal and plastic, but a computer program that usually works in conjunction with the broker's interface. As a rule, the QUIK terminal acts as a link. But some brokers also provide direct access to their own API — the client -server programming interface, in which all commands are registered on the server, and the client uses these commands and gets what he needs at the moment. For example, he submits trading orders or looks at current positions.

Most trading robots do not write from scratch, but use existing software solutions. The programs Amibroker, Astrend, Equis Metastock Professional, Excel, Neuro, TSLab, Ninja Trader, Matlab, Metatrader, Omega Research Prosuite & Tradestation, Quik, Wealth-Lab Developer are quite popular. Yes, Quik also gets into this list due to the built-in programming languages: QPILE, or QUIK Programmable Interface and Logic Environment, and QLUA is a built-in interpreter of the LUA scripting language.

A trading robot, or a mechanical trading system - MTS, is good when there is a clear trading strategy that is fully formalized: the rules for opening, maintaining and closing transactions are clearly defined and programmed. In this case, the robot allows you to completely eliminate the human factor and emotions — it will blindly follow the algorithm. Usually robots are configured to trade in multiples of 15 minutes, an hour, a day.

For example, the robot can check the deviation of the price from the set price once an hour and buy or sell the instrument. If you want to dive deeper into the topic, you can look at the Technical Analysis of Stocks & Commodities magazine, where trading system codes adapted for different programs are openly published in each issue. For example, in the July 2019 issue, the focus is on Vitaly Apirin's article "Exponential Deviation Bands".

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There are also so-called high-frequency robots that can make thousands of transactions per second — HFT, high-frequency trading. There is a good book about this by Michael Lewis "Flash Boys. The high-frequency revolution on Wall Street." But for high-frequency trading, it is necessary to have a minimum ping - a period of time during which a signal sent from a working server passes through the network to another server and returns back to the exchange and ideally be in the same building as the exchange itself.

[Aristar]

For me, it is currently preferable to use cryptocurrency trading bots. For example, pay attention to this moment when you need to attach Napbots with okex. At this link you will find an excellent solution for crypto traders, which can automatically conduct transactions with crypto on any exchanges.