Formula Language

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Functions	Descriptions
@SETNAME(Name)	Set formula line name. Should be start with @.
@SETNAME(Data,Name)	Set formula line name. Should be start with @.
@SETTEXTVISIBLE(Visible)	Set formula line name visibility. should be start with @.
@SET_ATTRIBUTE(Data, Attr)	Set attribute of the formula. Should be start with @.
@SETYMINMAX(MinY,MaxY)	Set min and max value of Y-axis. Should be start with @.
@SETCOLORSCRIPT(Data,Name,Script)	Set customize color for Data based on Script. Should be start with @.
@COPYNUMERICATTR(Data1,Data2)	Copy numerical attribute from Data1 to Data2. Should be start with @.
@COPYMISCATTR(Data1,Data2)	Copy miscellenous attribute from Data1 to Data2. Should be start with @.
@GETNUMERICATTR(Data,Index)	Get numerical attribute from Data. Should be start with @.
@SETNUMERICATTR(Data1,Index,Data2)	Set Data2 as numerical attribute of Data1. Should be start with @.
CLONE(Data)	Clone another copy of data.
TRUE	True constant.
FALSE	False constant.
NAN	An array of nan.

Basic Data	Descriptions
CLOSE	Get the counter's close price.
C	Shortcut of CLOSE.
OPEN	Get the counter's open price.
O	Shortcut of OPEN.
HIGH	Get the counter's highest price.
H	Shortcut of HIGH.
LOW	Get the counter's lowest price.
L	Shortcut of LOW.
VOLUME	Get the counter's volume.
VOL	Shortcut of VOLUME.
V	Shortcut of VOLUME.
OPENINTEREST	Open Interest.

Reference Functions	Descriptions
MUL(Data)	Multiple from the first bar.
SUM(Data,N)	Sum last N days value.
SUM(Data)	Sum from the first bar.
COUNT(Data,N)	True count of last N days.
REF(Data,N)	Reference value of N days before.
REF_EXPAND(Data,N)	Reference value of N days before. (Extend into future data)
MA(N)	N days moving average of Close price.
MA(Data,N)	N days moving average.
MA(Price,N)	N days moving average.
EMA(Data,N)	N days exponential moving average.
EMA(Price,N)	N days exponential moving average.
WMA(Data,N)	N days weighted moving average.
WMA(Price,N)	N days weighted moving average.
SMA(Data,N,M)	M days simple moving average from Nth day onwards
WILDERSUM(Data,N)	Wilder summation.
HHV(Data,N)	N days highest value.
LLV(Data,N)	N days lowest value.
HHVBARS(Data,N)	N days highest value bars count.
LLVBARS(Data,N)	N days lowest value bars count.
BARSCOUNT(Data)	Bars count.
BARSSINCE(Data)	Bars count since first Data > 0.
BACKSET(Data,N)	Backset N bars to 1 when Data > 0.
VOLUMEOVERPRICE(N)	Volume over price.

Logic Functions	Descriptions
IF(Cond,Data1,Data2)	If Cond > 0 return Data1, otherwise return Data2.
IF_PREV(Cond,Data1,Data2)	If Cond > 0 return Data1, otherwise return Data2 + prev Data.
REPLACE(Cond1,Cond2,Data)	If Cond1 == Cond2, replace with Data.
CROSS(Data1,Data2,N)	If Data1 cross Data2 from below and the cross last N bars return 1, otherwise return 0.
Above(Data1,Data2,N)	If Data1 is above Data2 for last N bars return 1, otherwise return 0.
Below(Data1,Data2,N)	If Data1 is below Data2 for last N bars return 1, otherwise return 0

Math Functions	Descriptions
MAX(Data1,Data2)	Maximum value.
MIN(Data1,Data2)	Minimum value.
ABS(Data)	Absolute value.
LOG(Data)	10 based Log.
LOG(Data,N)	N based Log.
LOG10(Data)	10 based Log.
LN(Data)	e based Log.
EXP(Data)	e raised to the specified power.
SQRT(Data)	Square root of the value.
SQR(Data)	Square of the value.
ROUND(Data)	Round value to nearest whole number.
FLOOR(Data)	Round down value to nearest whole number.
CEIL(Data)	Round up value to nearest whole number.

Statistic Functions	Descriptions
STD(Data,N)	N days standard deviation value.
VAR(Data,N)	N days variant value.
AVEDEV(Data,N)	N days average value.
SLOPE(Data,N)	N days linear regression slope.
CORR(Data1,Data2,N)	N days correlation factor between Data1 and Data2.
RECUSIVE_LOOP(Data1,N,M,Data2)	Recursive calculate next item value according to previous item value.
RECUSIVE_LOOP(Data1,N,M,Data2,F)	Recursive calculate next item value according to previous item value.

Index Functions	Descriptions
ZIG(Data,N)	N days Zig Zag.
ZIG(Data,Data2,N)	N days Zig Zag percent value.
PEAK(Data,Data2,N,M)	Find Mth Peak based on Zig(N)
TROUGH(Data,Data2,N,M)	Find Mth Trough based on Zig(N)
FINDPEAK(Data,Data2,N)	Find Peak based on Zig(N).
FINDTROUGH(Data,Data2,N)	Find Trough based on Zig(N).
SAR(N,STEP,MAXP)	Parabolic Stop and Reversal.
VALUEWHEN(Cond,Data,N)	Find Nth most recent occurrences when Cond is True
VALUEWHENBARS(Cond,Data,N)	Find bar count of Nth most recent occurrences when Cond is True
LOWESTSINCE(Cond,Data,N)	Return lowest of Data if Cond > 0 on Nth most recent occurrences.
HIGHESTSINCE(Cond,Data,N)	Return highest of Data if Cond > 0 on Nth most recent occurrences.

Draw Functions	Descriptions
DRAWSIGNAL(Cond, Pos, Signal)	Draw buy/sell arrow at position when Cond is True.
FILLRGN(Cond,Data1,Data2)	Fill region Data1 to Data2 when Cond is True.
FILLAREA(Data)	Fill area below Data.
PIVOTSEGMENT(Period,N,Data,M)	Render pivot segment.
PIVOTSEGMENT(Period,N,Data,M,L)	Render defined number of sets of pivot segment
STOCK	Draw counter bar based on O, C, H, L.

Advanced Functions	Descriptions
FML(FormulaScript)	Reference other formula.
FML(Symbol,FormulaScript)	Reference other formula.
FML(Symbol,FormulaName,Params)	Reference other formula.
GETDATA(Period,N,Data)	Get price data in defined period
MERGEDATA(Period,N,Data)	Merge data in defined period

Data Attributes	Descriptions
THIS_DATA	Refer to current formula data.
COLORSTICK	Render data as histogram.
VOLSTICK	Render data as volume histogram.
SEGMENT_LINE	Add segment line.
HORZLINE	Add horizontal line.
VERTLINE	Add vertical line.
NOVALUELABEL	Do not show value label.
VALUEONLY	Show value label only.
WIDTH	Set line width.
FORMAT	Set display string format to number of precision or decimal
HIGHSPEED	Smooth line with no anti-aliasing.
ANTIALIAS	Smooth line with anti-aliasing.
DASHDASH	Render dash dash line.
DOTDASH	Render dot dash line.
DASHDOTDASH	Render dash dot dash line.
DASHDOTDOTDASH	Render dash dot dot dash line.
CROSSDOT	Render cross dot line.
POINTDOT	Render point dot line.
CIRCLEDOT	Render circle dot line.