What are the hot topics in quantitative programmatic trading?

With the emergence and rise of some professional programmatic trading platforms, more and more investors use programmatic trading, and people have more and more discussions and disputes about programmatic trading.

What are the hot topics in quantitative programmatic trading?

Dispute 1: It is not feasible to completely rely on computer operation to eliminate the idea of ​​programmatic trading.

Dispute 2: The price limit and the gap are the bottlenecks for the profitability of the trading system.

Dispute 3: The test results in the past are valid and have no value for future actual combat.

Dispute 4: The simpler the programming language for programmatic trading, the better.

Dispute 5: The phenomenon of "flickering" of the signal in the trading system is a scam of the trading system.

Dispute 6: Unattended fully automatic programmatic trading is not feasible.

Dispute 7: An open, commercial programmatic trading system must be invalid.

Dispute 8: The same trading system will fail if it is used by too many people.

In a broad sense, as long as a trader has a fixed investment philosophy, clear trading rules, and replicated execution, he is a programmed trader.In this sense, a successful trader must have a sustainable, stable and replicable profit model, and must also be a programmed trader; in a narrow sense, programmed trading also specifically refers to the automatic placing of orders by computer programs.Regardless of the broad or narrow sense, programming is not completely mechanical, at least it needs to be supported by clear trading ideas in advance.What do you think of these controversies?