Requirements and Limitations in Making Trades
Tables below show calculation values that limit the conduction of trades when opening, closing, placing, deleting or modifying orders.
To get the minimum distance to StopLevel and freezing distance
FreezeLevel the MarketInfo() function should be called.
Requirements.
Correct prices used when performing trade operations.
Order Type
|
Open Price
|
Close Price
|
Open Price of a Pending Order
|
Transforming a Pending Order into aMarket Order
|
Buy |
Ask |
Bid |
|
|
Sell |
Bid |
Ask |
|
|
BuyLimit |
|
|
Below the current Ask price
|
Ask price reaches open price
|
SellLimit |
|
|
Above the current Bid price
|
Bid price reaches open price
|
BuyStop |
|
|
Above the current Ask price
|
Ask price reaches open price
|
SellStop |
|
|
Below the current Bid price
|
Bid price reaches open price
|
The possibility of deleting a pending order is regulated by the FreezeLevel parameter.
StopLevel Minimum Distance Limitation.
A trade operation will not be performed if any of the following conditions is disrupted.
Order Type
|
Open Price |
StopLoss (SL) |
TakeProfit (TP) |
Buy |
Modification is prohibited
|
Bid-SL ≥ StopLevel |
TP-Bid ≥ StopLevel |
Sell |
Modification is prohibited |
SL-Ask ≥ StopLevel |
Ask-TP ≥ StopLevel |
BuyLimit |
Ask-OpenPrice ≥ StopLevel |
OpenPrice-SL ≥ StopLevel |
TP-OpenPrice ≥ StopLevel |
SellLimit |
OpenPrice-Bid ≥ StopLevel |
SL-OpenPrice ≥StopLevel |
OpenPrice-TP ≥ StopLevel |
BuyStop |
OpenPrice-Ask ≥ StopLevel |
OpenPrice-SL ≥ StopLevel |
TP-OpenPrice ≥ StopLevel |
SellStop |
Bid-OpenPrice ≥ StopLevel |
SL-OpenPrice ≥ StopLevel |
OpenPrice-TP ≥ StopLevel |
FreezeLevel Limitation (Freezing Distance).
Market orders can not be closed if the StopLoss and TakeProfit values violate the FreezLevel parameter requirements.
StopLoss or TakeProfit orders can not be modified if StopLoss or TakeProfit values violate the StopLevel parameter requirements.
Pending orders can not be deleted or modified if the declared open price violates the FreezeLevel parameter requirements.
Order Type
|
Open Price |
StopLoss (SL) |
TakeProfit (TP) |
Buy |
Modification is prohibited |
Bid-SL > FreezeLevel |
TP-Bid > FreezeLevel |
Sell |
Modification is prohibited |
SL-Ask > FreezeLevel |
Ask-TP > FreezeLevel |
BuyLimit |
Ask-OpenPrice > FreezeLevel |
Regulated by the StopLevel parameter
|
Regulated by the StopLevel parameter |
SellLimit |
OpenPrice-Bid > FreezeLevel |
Regulated by the StopLevel parameter |
Regulated by the StopLevel parameter |
BuyStop |
OpenPrice-Ask > FreezeLevel |
Regulated by the StopLevel parameter |
Regulated by the StopLevel parameter |
SellStop |
Bid-OpenPrice > FreezeLevel |
Regulated by the StopLevel parameter |
Regulated by the StopLevel parameter |
Appendixes
