[pshaiCmd] Volume-Weighted Moving Average (SE version)

Name: [pshaiCmd] Volume-Weighted Moving Average (SE version)
Author: pshai

stable

By pshai in Trend Published October 2019 👁 1,678 views 💬 0 comments

Description

Haas Script version of the Volume-Weighted Moving Average. Parameters: * source : Price source * volume : Volume source * period : Period length Output: * VWMA values

-- Command and parameter definitions
DefineCommand(&#039;VWMA_SE&#039;, &#039;Volume-Weighted Moving Average, Script Editor version&#039;)

local source = DefineParameter(ListNumberType, &#039;source&#039;, &#039;Price source&#039;, true, ClosePrices(), &#039;ClosePrices, HLPrices, HLCPrices, OHLCPrices&#039;)
local volume = DefineParameter(ListNumberType, &#039;volume&#039;, &#039;Volume source&#039;, true, GetVolume(), &#039;GetVolume&#039;)
local period = DefineParameter(NumberType, &#039;period&#039;, &#039;Period length&#039;, true, 20, &#039;Input, Number&#039;)

-- Variables
local base, vwma, tmp

-- Magic
for i=period, 0, -1 do
    tmp = Grab(volume, i, period)
    base = Sum(Grab(source, i, period) * tmp)
    vwma = SourceManager(base / Sum(tmp))
end

-- Output
DefineOutput(ListNumberType, vwma, &#039;VWMA values&#039;, &#039;Plot&#039;)

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