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FX Math - How to add or subtract pips from current price

  • Post #1
  • Quote
  • First Post: Dec 15, 2010 1:50pm Dec 15, 2010 1:50pm
Hi Guys,

I'm writing a function that takes as parameters pair, current price, pips and returns price by adding or subtracting specified pip amount to/from quote price.

I understand the special cases like JPY need separate handling, however what is the general formula to find new price based on current price +/- pips?

I'm making a custom order entry calculator, that will help me adjust SL and TP based on PIP amount by constantly recalculating TP and SL prices.
xecn=1; if(Digits==5||Digits==3){xecn=10;} //ADJUST for 4/5 digit - I usually make this a global level var so I can use in entire EA

//To Add Pips
Bid=Bid+(pipadjust*Point*xecn); //Will Add Whole Pips NOT Pippetts

//To Subtract Pips
Bid=Bid-(pipadjust*Point*xecn); //Will Subtract Whole Pips NOT Pippetts
Quoting Aja
xecn=1; if(Digits==5||Digits==3){xecn=10;} //ADJUST for 4/5 digit - I usually make this a global level var so I can use in entire EA

//To Add Pips
Bid=Bid+(pipadjust*Point*xecn); //Will Add Whole Pips NOT Pippetts

//To Subtract Pips
Bid=Bid-(pipadjust*Point*xecn); //Will Subtract Whole Pips NOT Pippetts
Thanks Aja!. By "Pippetts" you mean the fraction of the PIP like 5.2 where 0.2 is a pippett of 5?
a Pippett is the 5th digit in 5 digit trading. Its a fraction of a pip - 1.3204X. If you add just 'Point' on a 5 digit system you'll only add 1/10th of a pip thats why on 5 digit systems you multiply Point*10 so you add/subtract a whole pip.
In your formula you have "pipadjust" variable, what is it? I apologize for noob questions, I'm just learning various algo principals.
Thats YOUR input for how much you want to add or subtract. Wanna add 5 pips? Make pipadjust=5 and do the addition code.
  • Post #7
  • Quote
  • Last Post: Dec 15, 2010 5:40pm Dec 15, 2010 5:40pm
Does this look right? Im writing this in VB.NET, just creating series of FXMath methods to calculate various things...

Inserted Code
    'Calculate TP price of pair by adding pips to the quoted price, capable of handling 4 and 5(default) digit
    Public Function PipsAbovePrice(ByVal Pair As String, ByVal Pips As Double, ByVal Price As Double, Optional ByVal QuoteDigits As Integer = 5) As Double
        Try
            Dim NewPrice As Long = 0

            'Calculate new price based on special conciderations for specific pairs
            Select Case Pair
                Case "USDJPY"
                    If QuoteDigits = 5 Then
                        NewPrice = Price + (Pips * 0.001 * 10)
                    Else
                        NewPrice = Price + (Pips * 0.01)
                    End If
                Case Else
                    If QuoteDigits = 5 Then
                        NewPrice = Price + (Pips * 0.0001 * 10)
                    Else
                        NewPrice = Price + (Pips * 0.0001)
                    End If

    End Select

            Return NewPrice
        Catch ex As Exception
            Call LogError(ex)
            Return 0
        End Try
    End Function
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