HarmonicPattern

6 Okt 2021

Library "HarmonicPattern"
Functions to detect/check harmonic patterns from provided values.

line_price_rate(point_c, point_b, point_a) Compute the price rate of the line AB divided by the the line BC
Parameters:

• point_c: float, the price at point C.
  
• point_b: float, the price at point B.
  
• point_a: float, the price at point A.

Returns: float

line_time_rate(_c, _b, _a) Compute the time rate of the line AB divided by the the line BC
Parameters:

• _c: float, the time or bar_index at point C.
  
• _b: float, the time or bar_index at point B.
  
• _a: float, the time or bar_index at point A.

Returns: float

is_inrange(value, min, max) Check if value is within min/max range of tolerance.
Parameters:

• value: float, value to check tolerance.
  
• min: float, minimum value in range of tolerance.
  
• max: float, maximum value in range of tolerance.

Returns: bool

isHarmonicTriangle(rate_cba, margin_of_error) Check if the rate(s) correspond to pattern ("Harmonic Triangle").
Parameters:

• rate_cba: float, percent rate of the triangle CBA. expects a negative rate.
  
• margin_of_error: float, percent rate of expected error margin, default 0.05(5%).

Returns: bool

is2Tap(rate_cba, margin_of_error) Check if the rate(s) correspond to pattern ("2Tap", 'Double Top / Bottom').
Parameters:

• rate_cba: float, percent rate of the triangle CBA. expects a negative rate.
  
• margin_of_error: float, percent rate of expected error margin, default 0.05(5%).

Returns: bool

is3Tap(rate_edc, rate_cba, margin_of_error) Check if the rate(s) correspond to pattern ("3Tap", "Triple Top / Bottom").
Parameters:

• rate_edc: float, percent rate of the triangle EDC. expects a negative rate.
  
• rate_cba: float, percent rate of the triangle CBA. expects a negative rate.
  
• margin_of_error: float, percent rate of expected error margin, default 0.05(5%).

Returns: bool

is4Tap(rate_gfe, rate_edc, rate_cba, margin_of_error) Check if the rate(s) correspond to pattern ("4Tap", "Quadruple Top / Bottom").
Parameters:

• rate_gfe: float, percent rate of the triangle GFE. expects a negative rate.
  
• rate_edc: float, percent rate of the triangle EDC. expects a negative rate.
  
• rate_cba: float, percent rate of the triangle CBA. expects a negative rate.
  
• margin_of_error: float, percent rate of expected error margin, default 0.05(5%).

Returns: bool

isABCD(rate_cba, rate_dcb, margin_of_error) Check if the rate(s) correspond to pattern ("AB=CD").
Parameters:

• rate_cba: float, percent rate of the triangle CBA. expects a negative rate.
  
• rate_dcb: float, percent rate of the triangle DCB. expects a negative rate.
  
• margin_of_error: float, percent rate of expected error margin, default 0.05(5%).

Returns: bool

isBat(rate_edc, rate_dcb, rate_cba, rate_eda, margin_of_error) Check if the rate(s) correspond to pattern ("Bat").
Parameters:

• rate_edc: float, percent rate of the triangle EDC. expects a negative rate.
  
• rate_dcb: float, percent rate of the triangle DCB. expects a negative rate.
  
• rate_cba: float, percent rate of the triangle CBA. expects a negative rate.
  
• rate_eda: float, percent rate of the triangle EDA. expects a negative rate.
  
• margin_of_error: float, percent rate of expected error margin, default 0.05(5%).

Returns: bool

isButterfly(rate_edc, rate_dcb, rate_cba, rate_eda, margin_of_error) Check if the rate(s) correspond to pattern ("Butterfly").
Parameters:

• rate_edc: float, percent rate of the triangle EDC. expects a negative rate.
  
• rate_dcb: float, percent rate of the triangle DCB. expects a negative rate.
  
• rate_cba: float, percent rate of the triangle CBA. expects a negative rate.
  
• rate_eda: float, percent rate of the triangle EDA. expects a negative rate.
  
• margin_of_error: float, percent rate of expected error margin, default 0.05(5%).

Returns: bool

isGartley(rate_edc, rate_dcb, rate_cba, rate_eda, margin_of_error) Check if the rate(s) correspond to pattern ("Gartley").
Parameters:

• rate_edc: float, percent rate of the triangle EDC. expects a negative rate.
  
• rate_dcb: float, percent rate of the triangle DCB. expects a negative rate.
  
• rate_cba: float, percent rate of the triangle CBA. expects a negative rate.
  
• rate_eda: float, percent rate of the triangle EDA. expects a negative rate.
  
• margin_of_error: float, percent rate of expected error margin, default 0.05(5%).

Returns: bool

isCrab(rate_edc, rate_dcb, rate_cba, rate_eda, margin_of_error) Check if the rate(s) correspond to pattern ("Crab").
Parameters:

• rate_edc: float, percent rate of the triangle EDC. expects a negative rate.
  
• rate_dcb: float, percent rate of the triangle DCB. expects a negative rate.
  
• rate_cba: float, percent rate of the triangle CBA. expects a negative rate.
  
• rate_eda: float, percent rate of the triangle EDA. expects a negative rate.
  
• margin_of_error: float, percent rate of expected error margin, default 0.05(5%).

Returns: bool

isShark(rate_edc, rate_dcb, rate_cba, rate_eda, margin_of_error) Check if the rate(s) correspond to pattern ("Shark").
Parameters:

• rate_edc: float, percent rate of the triangle EDC. expects a negative rate.
  
• rate_dcb: float, percent rate of the triangle DCB. expects a negative rate.
  
• rate_cba: float, percent rate of the triangle CBA. expects a negative rate.
  
• rate_eda: float, percent rate of the triangle EDA. expects a negative rate.
  
• margin_of_error: float, percent rate of expected error margin, default 0.05(5%).

Returns: bool

is5o(rate_edc, rate_dcb, rate_cba, rate_eda, margin_of_error) Check if the rate(s) correspond to pattern ("5o").
Parameters:

• rate_edc: float, percent rate of the triangle EDC. expects a negative rate.
  
• rate_dcb: float, percent rate of the triangle DCB. expects a negative rate.
  
• rate_cba: float, percent rate of the triangle CBA. expects a negative rate.
  
• rate_eda: float, percent rate of the triangle EDA. expects a negative rate.
  
• margin_of_error: float, percent rate of expected error margin, default 0.05(5%).

Returns: bool

isWolfe(rate_edc, rate_dcb, rate_cba, rate_eda, margin_of_error) Check if the rate(s) correspond to pattern ("Wolfe").
Parameters:

• rate_edc: float, percent rate of the triangle EDC. expects a negative rate.
  
• rate_dcb: float, percent rate of the triangle DCB. expects a negative rate.
  
• rate_cba: float, percent rate of the triangle CBA. expects a negative rate.
  
• rate_eda: float, percent rate of the triangle EDA. expects a negative rate.
  
• margin_of_error: float, percent rate of expected error margin, default 0.05(5%).

Returns: bool

is3Driver(rate_edc, rate_dcb, rate_cba, rate_eda, margin_of_error) Check if the rate(s) correspond to pattern ("3 Driver").
Parameters:

• rate_edc: float, percent rate of the triangle EDC. expects a negative rate.
  
• rate_dcb: float, percent rate of the triangle DCB. expects a negative rate.
  
• rate_cba: float, percent rate of the triangle CBA. expects a negative rate.
  
• rate_eda: float, percent rate of the triangle EDA. expects a negative rate.
  
• margin_of_error: float, percent rate of expected error margin, default 0.05(5%).

Returns: bool

isConTria(rate_edc, rate_dcb, rate_cba, rate_eda, margin_of_error) Check if the rate(s) correspond to pattern ("Contracting Triangle").
Parameters:

• rate_edc: float, percent rate of the triangle EDC. expects a negative rate.
  
• rate_dcb: float, percent rate of the triangle DCB. expects a negative rate.
  
• rate_cba: float, percent rate of the triangle CBA. expects a negative rate.
  
• rate_eda: float, percent rate of the triangle EDA. expects a negative rate.
  
• margin_of_error: float, percent rate of expected error margin, default 0.05(5%).

Returns: bool

isExpTria(rate_edc, rate_dcb, rate_cba, rate_eda, margin_of_error) Check if the rate(s) correspond to pattern ("Expanding Triangle").
Parameters:

• rate_edc: float, percent rate of the triangle EDC. expects a negative rate.
  
• rate_dcb: float, percent rate of the triangle DCB. expects a negative rate.
  
• rate_cba: float, percent rate of the triangle CBA. expects a negative rate.
  
• rate_eda: float, percent rate of the triangle EDA. expects a negative rate.
  
• margin_of_error: float, percent rate of expected error margin, default 0.05(5%).

Returns: bool

isHnS(rate_fed, rate_feb, rate_edc, rate_dcb, rate_cba, rate_eda, margin_of_error) Check if the rate(s) correspond to pattern ("Head and Shoulders").
Parameters:

• rate_fed: float, percent rate of the triangle FED. expects a negative rate.
  
• rate_feb: float, percent rate of the triangle FEB. expects a negative rate.
  
• rate_edc: float, percent rate of the triangle EDC. expects a negative rate.
  
• rate_dcb: float, percent rate of the triangle DCB. expects a negative rate.
  
• rate_cba: float, percent rate of the triangle CBA. expects a negative rate.
  
• rate_eda: float, percent rate of the triangle EDA. expects a negative rate.
  
• margin_of_error: float, percent rate of expected error margin, default 0.05(5%).

Returns: bool

12 Okt 2021

Nota Keluaran

added a extra calculation method for computing the margin of error of the rates, thanks to HeWhoMustNotBeNamed, CryptoArch_ for bringing it up 🙌

this adds a extra optional parameter to all the functions, "calculation_type" can be either "additive" or "multiplicative"

17 Nov 2021

Nota Keluaran

v3

Added:
extract() Extract the available patterns from zigzag prices.
  Returns: string array.