Settings = {
Name = "*line_1",
round = "off",
Period = 13,
Metod = "EMA", --SMA, EMA, VMA, SMMA, VMA
VType = "Close", --Open, High, Low, Close, Volume, Median, Typical, Weighted, Difference
line = {
Name = "LINE",
Type = TYPE_LINE,
Color = RGB(255, 0, 0)
}
}
function Init()
func1 = BULLS()
func2 = BEARS()
message (tostring(Out1), 1)
if Out1~=nil and Out2~=nil
func = Out1- Out2
end
return #Settings.line
end
function OnCalculate(Index)
return func1(Index, Settings) and func2(Index, Settings)
end
function BULLS() --Bulls Power ("BULLS")
local Bulls_MA=MA()
return function (I, Fsettings, ds)
local Out1 = nil
local Fsettings=(Fsettings or {})
local P = (Fsettings.Period or 13)
local M = (Fsettings.Metod or "EMA")
local VT = (Fsettings.VType or "Close")
local R = (Fsettings.round or "off")
local b_ma = Bulls_MA(I, {Period=P, Metod = M, VType=VT, round=R}, ds)
if I>=P and b_ma then
Out1 = Value(I, "High", ds)-b_ma
else Out1 = b_ma end
return rounding(Out1, R),0
end
end
function BEARS() --Bears Power ("BEARS")
local Bears_MA=MA()
return function (I, Fsettings, ds)
local Out2 = nil
local Fsettings=(Fsettings or {})
local P = (Fsettings.Period or 13)
local M = (Fsettings.Metod or "EMA")
local VT = (Fsettings.VType or "Close")
local R = (Fsettings.round or "off")
local b_ma = 0
b_ma=Bears_MA(I, {Period=P, Metod = M, VType=VT, round=R}, ds)
if I>=P and b_ma then
Out2 = Value(I, "Low", ds)-b_ma
else Out2 = b_ma end
return rounding(Out2, R),0
end
end
function MA() --Moving Average ("MA")
local t_SMA = F_SMA()
local t_EMA = F_EMA()
local t_VMA = F_VMA()
local t_SMMA = F_SMMA()
local t_WMA = F_WMA()
return function(I, Fsettings, ds)
local Out = nil
local Fsettings=(Fsettings or {})
local P = (Fsettings.Period or 9)
local M = (Fsettings.Metod or "EMA")
local VT = (Fsettings.VType or "Close")
local R = (Fsettings.round or "off")
if M == "SMA" then
Out = t_SMA(I, P, VT, ds, R)
elseif M == "EMA" then
Out = t_EMA(I, P, VT, ds, R)
elseif M == "VMA" then
Out = t_VMA(I, P, VT, ds, R)
elseif M == "SMMA" then
Out = t_SMMA(I, P, VT, ds, R)
elseif M == "WMA" then
Out = t_WMA(I, P, VT, ds, R)
else
Out = nil
end
return rounding(Out, R)
end
end
------------------------------------------------------------------
--Moving Average SMA, EMA, VMA, SMMA, VMA
------------------------------------------------------------------
--[[Simple Moving Average (SMA)
SMA = sum(Pi) / n
]]
function F_SMA()
return function (I, Period, VType, ds, round)
local Out = nil
if I >= Period then
local sum = 0
for i = I-Period+1, I do
sum = sum +Value(i, VType, ds)
end
Out = sum/Period
end
return rounding(Out,round)
end
end
--[[Exponential Moving Average (EMA)
EMAi = (EMAi-1*(n-1)+2*Pi) / (n+1)
]]
function F_EMA()
local EMA_TMP={}
return function(I, Period, VType, ds, round)
local Out = nil
if I == 1 then
EMA_TMP[I]=rounding(Value(I, VType, ds),round)
else
EMA_TMP[I]=rounding((EMA_TMP[I-1]*(Period-1)+2*Value(I, VType, ds)) / (Period+1),round)
EMA_TMP[I-2]=nil
end
if I >= Period then
Out = EMA_TMP[I]
end
return rounding(Out,round)
end
end
--[[
William Moving Average (WMA)
( Previous WILLMA * ( Period - 1 ) + Data ) / Period
]]
function F_WMA()
local WMA_TMP={}
return function(I, Period, VType, ds, round)
local Out = nil
if I == 1 then
WMA_TMP[I]=rounding(Value(I, VType, ds),round)
else
WMA_TMP[I]=rounding((WMA_TMP[I-1]*(Period-1)+Value(I, VType, ds)) / Period,round)
WMA_TMP[I-2]=nil
end
if I >= Period then
Out = WMA_TMP[I]
end
return rounding(Out,round)
end
end
--[[Volume Adjusted Moving Average (VMA)
VMA = sum(Pi*Vi) / sum(Vi)
]]
function F_VMA()
return function (I, Period, VType, ds, round)
local Out = nil
if I >= Period then
local sum = 0
local sumV = 0
for i = I-Period+1, I do
sum = sum +Value(i, VType, ds)*Value(i, "Volume", ds)
sumV = sumV +Value(i, "Volume", ds)
end
Out = sum/sumV
end
return rounding(Out,round)
end
end
--[[Smoothed Moving Average (SMMA)
SMMAi = (sum(Pi) - SMMAi-1 + Pi) / n
]]
function F_SMMA()
local SMMA_TMP={}
return function(I, Period, VType, ds, round)
local Out = nil
if I >= Period then
local sum = 0
for i = I-Period+1, I do
sum = sum +Value(i, VType, ds)
end
if I == Period then
SMMA_TMP[I]=rounding((sum-Value(I, VType, ds)+Value(I, VType, ds)) / Period, round)
else
SMMA_TMP[I]=rounding((sum-SMMA_TMP[I-1]+Value(I, VType, ds)) / Period, round)
end
SMMA_TMP[I-2]=nil
Out = SMMA_TMP[I]
end
return rounding(Out,round)
end
end
function rounding(num, round)
if round and string.upper(round)== "ON" then round=0 end
if num and tonumber(round) then
local mult = 10^round
if num >= 0 then return math.floor(num * mult + 0.5) / mult
else return math.ceil(num * mult - 0.5) / mult end
else return num end
end
function Value(I,VType,ds)
local Out = nil
VType=(VType and string.upper(string.sub(VType,1,1))) or "A"
if VType == "O" then --Open
Out = (O and O(I)) or (ds and ds:O(I))
elseif VType == "H" then --High
Out = (H and H(I)) or (ds and ds:H(I))
elseif VType == "L" then --Low
Out = (L and L(I)) or (ds and ds:L(I))
elseif VType == "C" then --Close
Out = (C and C(I)) or (ds and ds:C(I))
elseif VType == "V" then --Volume
Out = (V and V(I)) or (ds and ds:V(I))
elseif VType == "M" then --Median
Out = ((Value(I,"H",ds) + Value(I,"L",ds)) / 2)
elseif VType == "T" then --Typical
Out = ((Value(I,"M",ds) * 2 + Value(I,"C",ds))/3)
elseif VType == "W" then --Weighted
Out = ((Value(I,"T",ds) * 3 + Value(I,"O",ds))/4)
elseif VType == "D" then --Difference
Out = (Value(I,"H",ds) - Value(I,"L",ds))
elseif VType == "A" then --Any
if ds then Out = ds[I] else Out = nil end
end
return Out
end
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