volSRCore

Library volSRCore

Library to compute volume-based support and resistance zones using fractal logic.

tfStringToFormat(tfInput)

Converts a timeframe string into Pine Script format.

Parameters:

tfInput (string): Timeframe string ("Chart", "1m", "5m", "1h", "D", etc.)

Returns:

string — Pine Script–formatted timeframe

resInMinutes()

Converts the current chart timeframe into minutes.

Returns:

float — number of minutes of the current timeframe

fractalUp(tfHigh, tfVol, tfVolMA)

Detects a bullish fractal (potential resistance).

Parameters:

tfHigh (float): High series of the timeframe

tfVol (float): Volume series of the timeframe

tfVolMA (float): Volume moving average series

Returns:

bool — true if a bullish fractal is detected

fractalDown(tfLow, tfVol, tfVolMA)

Detects a bearish fractal (potential support).

Parameters:

tfLow (float): Low series of the timeframe

tfVol (float): Volume series of the timeframe

tfVolMA (float): Volume moving average series

Returns:

bool — true if a bearish fractal is detected

calcFractalUpLevel(tfHigh, tfVol, tfVolMA)

Computes the resistance level from a bullish fractal.

Parameters:

tfHigh (float): High series

tfVol (float): Volume series

tfVolMA (float): Volume MA series

Returns:

float — resistance level

calcFractalDownLevel(tfLow, tfVol, tfVolMA)

Computes the support level from a bearish fractal.

Parameters:

tfLow (float): Low series

tfVol (float): Volume series

tfVolMA (float): Volume MA series

Returns:

float — support level

calcResistanceZone(tfHigh, tfOpen, tfClose, tfVol, tfVolMA)

Computes the resistance zone (between High and Open/Close).

Parameters:

tfHigh (float): High series

tfOpen (float): Open series

tfClose (float): Close series

tfVol (float): Volume series

tfVolMA (float): Volume MA series

Returns:

float — lower boundary of the resistance zone

calcSupportZone(tfLow, tfOpen, tfClose, tfVol, tfVolMA)

Computes the support zone (between Low and Open/Close).

Parameters:

tfLow (float): Low series

tfOpen (float): Open series

tfClose (float): Close series

tfVol (float): Volume series

tfVolMA (float): Volume MA series

Returns:

float — upper boundary of the support zone

tfNewBar(tfRes)

Detects a new bar on a given timeframe.

Parameters:

tfRes (simple string): Timeframe string

Returns:

bool — true if a new bar is detected

tfBarIndexBack(tfRes, barsBack)

Computes the bar_index N bars back on a target timeframe.

Parameters:

tfRes (simple string): Timeframe string

barsBack (simple int): Number of bars back (1, 3, 5, etc.)

Returns:

int — bar_index at that point in time

tfBarsRange(tfRes, startBar, endBar)

Computes the number of chart bars between two bars of a target timeframe.

Parameters:

tfRes (simple string): Timeframe string

startBar (simple int): Start bar (e.g., 1)

endBar (simple int): End bar (e.g., 5)

Returns:

int — number of chart bars in that range

calcPivotHighBarIndex(startBarsBack, rangeSize, maxBarsBack)

Finds the exact bar_index of the highest high within a given range.

Parameters:

startBarsBack (simple int): Start of the scan (bars back)

rangeSize (simple int): Size of the scan range

maxBarsBack (simple int): max_bars_back limit (e.g., 4999)

Returns:

int — bar_index of the highest high, or maxBarsBack if out of bounds

calcPivotLowBarIndex(startBarsBack, rangeSize, maxBarsBack)

Finds the exact bar_index of the lowest low within a given range.

Parameters:

startBarsBack (simple int): Start of the scan (bars back)

rangeSize (simple int): Size of the scan range

maxBarsBack (simple int): max_bars_back limit (e.g., 4999)

Returns:

int — bar_index of the lowest low, or maxBarsBack if out of bounds

detectPriceInteraction(resLevel, resZone, supLevel, supZone)

Detects price interactions with support/resistance zones.

Parameters:

resLevel (float): Resistance level

resZone (float): Resistance zone

supLevel (float): Support level

supZone (float): Support zone

Returns:

[bool, bool, bool, bool, bool, bool]

EntersResZone

TestsResAsSupport

EntersSupZone

TestsSupAsResistance

BreaksResistance

BreaksSupport

calcSRLevelsFromData(tfOpen, tfHigh, tfLow, tfClose, tfVol, volMaLength)

Computes all support/resistance levels from already-fetched MTF data.

Parameters:

tfOpen (float): TF open

tfHigh (float): TF high

tfLow (float): TF low

tfClose (float): TF close

tfVol (float): TF volume

volMaLength (simple int): Volume MA length

Returns:

[float, float, float, float, bool, bool]

ResistanceLevel

ResistanceZone

SupportLevel

SupportZone

IsFractalUp

IsFractalDown

detectNewSR(resLevel, supLevel)

Detects a new fractal event (new support or resistance found).

Parameters:

resLevel (float): Current resistance level

supLevel (float): Current support level

Returns:

[bool, bool]

NewResistance

NewSupport