How to start algo trading

[CY TAM]

This is my first time to use MT5. I cannot run the algo trading even I switch on the algo trading button with my demo account.

How to run the algo trading probably? 

as per attached.

CYT

[Sergey Golubev]

Find Metatrader broker (there are a lot of Metatrader brokers, use google to find), and open the account according to their condition on their websites.
Try with demo first.

1. The article - MQL5.community - User Memo 

2. MetaTrader 5 Help - Open an Account

3. Where Do I start from?
https://www.mql5.com/en/forum/212020 

4. MetaTrader 5 Help - Trading Platform — User Manual 

5. How to make a search on the forum
https://www.mql5.com/en/forum/193510 

6. Find a Server by the Broker's Name: 
https://www.mql5.com/en/forum/214820

[Sergey Golubev]

CY TAM:

This is my first time to use MT5. I cannot run the algo trading even I switch on the algo trading button with my demo account.

How to run the algo trading probably? 

as per attached.

CYT

... and check Specification of this symbol in Market Watch of Metatrader (about when it is allowed to be traded, what is about min lot size and so on).

[Ryan L Johnson]

CY TAM:

This is my first time to use MT5. I cannot run the algo trading even I switch on the algo trading button with my demo account.

How to run the algo trading probably? 

as per attached.

CYT

I see invalid stops in your posted image.

Forum on trading, automated trading systems and testing trading strategies

How to fix invalid stops error

William Roeder, 2020.08.04 22:15

1. You can't move stops (or pending prices) closer to the market than the minimum: MODE_STOPLEVEL * _Point or SymbolInfoInteger(SYMBOL_TRADE_STOPS_LEVEL).
             Requirements and Limitations in Making Trades - Appendixes - MQL4 Tutorial

   On some ECN type brokers the value might be zero (broker doesn't know.) Use a minimum of two (2) PIPs.

2. NormalizeDouble, It's use is usually wrong

   1. Floating point has infinite number of decimals, it's your not understanding floating point and that some numbers can't be represented exactly. (like 1/10.)
                Double-precision floating-point format - Wikipedia, the free encyclopedia

      See also The == operand. - MQL4 programming forum

   2. Print out your values to the precision you want with DoubleToString - Conversion Functions - MQL4 Reference.

   3. SL/TP (stops) need to be normalized to tick size (not Point)  (On 5Digit Broker Stops are only allowed to be placed on full pip values. How to find out in mql? - MQL4 programming forum) and abide by the limits Requirements and Limitations in Making Trades - Appendixes - MQL4 Tutorial and that requires understanding floating point equality Can price != price ? - MQL4 programming forum

   4. Open price for pending orders need to be adjusted. On Currencies, Point == TickSize, so you will get the same answer, but it won't work on Metals. So do it right: Trailing Bar Entry EA - MQL4 programming forum or Bid/Ask: (No Need) to use NormalizeDouble in OrderSend - MQL4 programming forum

   5. Lot size must also be adjusted to a multiple of LotStep and check against min and max. If that is not a power of 1/10 then NormalizeDouble is wrong. Do it right.

   6. MathRound() and NormalizeDouble() are rounding in a different way. Make it explicit.
                MT4:NormalizeDouble - MQL5 programming forum
                How to Normalize - Expert Advisors and Automated Trading - MQL5 programming forum

   7. Prices you get from the terminal are already normalized.

   8. PIP, Point, or Tick are all different in general.
                What is a TICK? - MQL4 programming forum 2014.08.03