Errors, bugs, questions - page 1014
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In the help:
structMqlTradeRequest
{
ENUM_TRADE_REQUEST_ACTIONSaction;// Type of action to be performed
ulongmagic;// Expert stamp (magic number identifier)
ulongorder;// Ticket order
stringsymbol;// Trade symbol name
doublevolume;// Requested volume of the transaction in lots
doubleprice;// Price
doublestoplimit;// StopLimit order level
doublesl;// Stop Loss level of order
doubletp;// Take Profit level of order
ulongdeviation;// Maximal deviation from the requested price
ENUM_ORDER_TYPEtype;// Order type
ENUM_ORDER_TYPE_FILLINGtype_filling;// Order type
ENUM_ORDER_TYPE_TIMEtype_time;// Order type by time of execution
datetimeexpiration;// expiration time (for ORDER_TIME_SPECIFIED orders)
stringcomment;// comment on the order
};
However, there is a description in the table below:
deviation
Maximum acceptable deviation from the requested price, set in pips.
I.e. the type of the variable must be at least float, but never ulong.
I.e. the variable type must be at least float, but never ulong.
In the help:
structMqlTradeRequest
{
ENUM_TRADE_REQUEST_ACTIONSaction;// Type of action to be performed
ulongmagic;// Expert stamp (magic number identifier)
ulongorder;// Ticket order
stringsymbol;// Trade symbol name
doublevolume;// Requested volume of the transaction in lots
doubleprice;// Price
doublestoplimit;// StopLimit order level
doublesl;// Stop Loss level of order
doubletp;// Take Profit level of order
ulongdeviation;// Maximal acceptable deviation from the requested price
ENUM_ORDER_TYPEtype;// Order type
ENUM_ORDER_TYPE_FILLINGtype_filling;// Order type
ENUM_ORDER_TYPE_TIMEtype_time;// Order type by time of execution
datetimeexpiration;// expiration time (for ORDER_TIME_SPECIFIED orders)
stringcomment;// comment on the order
};
However, there is a description in the table below:
deviation
Maximum acceptable deviation from the requested price, set in pips.
I.e. the type of the variable must be at least float, but never ulong.
The number of points is an integer.
Please advise what MQL5 - password is and where to find it????
The number of points is a whole number.
Where does it say "Number of points"?
In fact, in the structure it is of the ulong type, and in the tabular description below: doublePoint();
This is where the discrepancy lies. Either fix the structure and help, or just fix the help to match the structure.
Hello!
I tried to adapt the Expert Advisor to work on markets other than forex, and therefore the following questions have arisen:
1)If on Forex, the quote is given per unit of currency, then, for example on futures andCFD per contract. This question is not specifically mentioned in the documentation. Can we assume that the type of quotation corresponds to the way the security is calculated, from the enumeration of ENUM_SYMBOL_CALC_MODE. That is: With ENUM_SYMBOL_CALC_MODE: SYMBOL_CALC_MODE_FOREX the quote is given per currency unit (and the exchange rate of the account currency against the quote currency is calculated asSymbolInfoDouble(_Symbol,SYMBOL_TRADE_TICK_VALUE)/SymbolInfoDouble(_Symbol,SYMBOL_TRADE_TICK_SIZE)/SymbolInfoDouble(_Symbol,SYMBOL_TRADE_CONTRACT_SIZE)), and at valuesSYMBOL_CALC_MODE_FUTURES,SYMBOL_CALC_MODE_CFD,SYMBOL_CALC_MODE_CFDINDEX,SYMBOL_CALC_MODE_CFDLEVERAGEthe quote is given for 1 contract (and the exchange rate of the account currency against the quote currency is calculated asSymbolInfoDouble(_Symbol,SYMBOL_TRADE_TICK_VALUE)/SymbolInfoDouble(_Symbol,SYMBOL_TRADE_TICK_SIZE)) or there are exceptions?
2)What does the PositionGetDouble(POSITION_SWAP) function return? The accumulated swap in the account currency by the time of the request? Does the returned value depend on the swap accrual method fromthe ENUM_SYMBOL_SWAP_MODE enumeration. For example could it be points, base or margin currencies?
3. In the margin calculation table:
ENUM_SYMBOL_CALC_MODE enum is intended to provide information on how to calculate the amount of margin on an instrument (amount of margin requirements).
ENUM_SYMBOL_CALC_MODE
Identifier
Description
Formula
SYMBOL_CALC_MODE_FOREX
Forex mode - profit and margin calculation for Forex
Margin: Lots*Contract_Size/Leverage
Profit: (close_price-open_price)*Contract_Size*Lots
SYMBOL_CALC_MODE_FUTURES
Futures mode - calculate margin and profit for futures
Margin: Lots *InitialMargin*Percentage/100
Profit: (close_price-open_price)*TickPrice/TickSize*Lots
SYMBOL_CALC_MODE_CFD
CFD mode - calculation of margin and profit for CFD
Margin: Lots *ContractSize*MarketPrice*Percentage/100
Profit: (close_price-open_price)*Contract_Size*Lots
SYMBOL_CALC_MODE_CFDINDEX
CFD index mode - calculation of margin and profit for CFD indexes
Margin: (Lots*ContractSize*MarketPrice)*TickPrice/TickSize
Profit: (close_price-open_price)*Contract_Size*Lots
SYMBOL_CALC_MODE_CFDLEVERAGE
CFD Leverage mode - calculation of margin and profit for CFD when trading with leverage
Margin: (Lots*ContractSize*MarketPrice*Percentage)/Leverage
Profit: (close_price-open_price)*Contract_Size*Lots
it is not specified in which currency the margin and profit are calculated? How do I requestPercentage? What is the peculiarity ofCFD Leverage mode?
4. The function requesting leverage AccountInfoInteger(ACCOUNT_LEVERAGE), which works correctly in forex, gives 1 on the futures market. How do I correctly request/define leverage in futures?
5. SymbolInfoDouble(_Symbol,SYMBOL_MARGIN_INITIAL) function - works only for futures?
Is there a more detailed description of these questions with regard to MQL5?
Hello!
Isn't there a more detailed description of these issues with regard to MQL5?
The calculation principles themselves can be found on the Internet, and you can get the correct result by focusing on the instrument specification by checking on a particular instrument and broker.
Can you suggest a broker where you could check currency pairs and CFDs of all kinds from one account, and preferably also futures from one demo account?
Finam has currency pairs, CFDs on stocks and indices in MT4, but in MT5, unfortunately, only currency pairs.
Now I try currency pairs at Finam and futures at Open, but at Open the server gives 33 and 34 on request SymbolInfoInteger(_Symbol,SYMBOL_TRADE_CALC_MODE) - which is not in the ENUM_SYMBOL_CALC_MODE list.
Also I haven't found a broker for testing different ways of calculating swaps and from the documentation it is not clear, if the way of calculating swaps influences results of PositionGetDouble(POSITION_SWAP) request.
Thanks in advance!
zfs:
The principles of calculation may be found on the Internet, and the correct result may be obtained by checking on a specific instrument and broker.
Can you suggest a broker where you could check currency pairs and CFDs of all kinds from one account, and preferably also futures from one demo account?
Finam has currency pairs, CFDs on stocks and indices in MT4, but in MT5, unfortunately, only currency pairs.
Now I try currency pairs at Finam and futures at Open, but at Open the server gives 33 and 34 on request SymbolInfoInteger(_Symbol,SYMBOL_TRADE_CALC_MODE) - which is not in the ENUM_SYMBOL_CALC_MODE list.
Also I haven't found a broker for testing different ways of calculating swaps and from the documentation it is not clear, if the way of calculating swaps influences results of PositionGetDouble(POSITION_SWAP) request.
Thanks in advance!
There is no such broker apparently. Use several terminals. The value there is a long type, that's why it gives you the figure, make a comparison if you don't want to get into numbers. Value of swap PositionGetDouble(POSITION_SWAP) actual by position. Yes it does, the swap is accrued on the same day over the weekend.
There is no such broker, apparently. Use multiple terminals. The value there is a long type, that's why it gives you the figure, make a comparison if you don't want to get into numbers. Value of swap PositionGetDouble(POSITION_SWAP) actual by position. Yes it does, the swap is accrued on the same day over the weekend.
Then where can I find a CFD for Metatrader 5?
I'm trying to get into the numbers, but I'm somewhat hampered by the lack of clarity in the documentation, e.g. the enum tables don't list the corresponding numbers. I have found by experience that SYMBOL_CALC_MODE_FOREX is 0, but 33 and 34 are not identified in the opening server response in any way.
Regarding swaps - do I understand correctly that PositionGetDouble(POSITION_SWAP) and HistoryDealGetDouble(Deal_Ticket,DEAL_SWAP) actually give the accumulated swap in the currency of the deposit, regardless of how it is calculated?