backtrader.indicators.aroon module

Aroon Indicator Module - Aroon trend indicator.

This module provides the Aroon indicator developed by Tushar Chande in 1995 to identify trend strength and direction.

Classes:

_AroonBase: Base class for Aroon indicators. AroonUp: Aroon Up component. AroonDown: Aroon Down component. AroonUpDown: Combined Aroon Up and Down (alias: AroonIndicator). AroonOscillator: Aroon Oscillator (alias: AroonOsc). AroonUpDownOscillator: Combined AroonUpDown and Oscillator (alias: AroonUpDownOsc).

Example

class MyStrategy(bt.Strategy):
def __init__(self):

self.aroon = bt.indicators.AroonUpDown(self.data, period=14)

def next(self):
if self.aroon.aroonup[0] > self.aroon.aroondown[0]:

self.buy()

elif self.aroon.aroonup[0] < self.aroon.aroondown[0]:

self.sell()

class backtrader.indicators.aroon.AroonUp[source]

Bases: _AroonBase

This is the AroonUp from the indicator AroonUpDown developed by Tushar Chande in 1995.

Formula:

  • up = 100 * (period - distance to the highest high) / period

Note

The lines oscillate between 0 and 100. That means that the “distance” to the last highest or lowest must go from 0 to period so that the formula can yield 0 and 100.

Hence, the lookback period is period + 1, because the current bar is also taken into account. And therefore, this indicator needs an effective lookback period of period + 1.

See:
__init__(*args, **kwargs)
next()[source]

Calculate Aroon Up for the current bar.

Copies the up value from the parent calculation.

once(start, end)[source]

Calculate Aroon Up in runonce mode.

Copies up values across all bars.

frompackages = ()
packages = ()
class backtrader.indicators.aroon.AroonDown[source]

Bases: _AroonBase

This is the AroonDown from the indicator AroonUpDown developed by Tushar Chande in 1995.

Formula:

  • down = 100 * (period - distance to the lowest low) / period

Note

The lines oscillate between 0 and 100. That means that the “distance” to the last highest or lowest must go from 0 to period so that the formula can yield 0 and 100.

Hence, the lookback period is period + 1, because the current bar is also taken into account. And therefore, this indicator needs an effective lookback period of period + 1.

See:
__init__(*args, **kwargs)
next()[source]

Calculate Aroon Down for the current bar.

Copies the down value from the parent calculation.

once(start, end)[source]

Calculate Aroon Down in runonce mode.

Copies down values across all bars.

frompackages = ()
packages = ()
class backtrader.indicators.aroon.AroonUpDown[source]

Bases: AroonUp, AroonDown

Developed by Tushar Chande in 1995.

It tries to determine if a trend exists or not by calculating how far away within a given period the last highs/lows are (AroonUp/AroonDown)

Formula:

  • up = 100 * (period - distance to the highest high) / period

  • down = 100 * (period - distance to the lowest low) / period

Note

The lines oscillate between 0 and 100. That means that the “distance” to the last highest or lowest must go from 0 to period so that the formula can yield 0 and 100.

Hence, the lookback period is period + 1, because the current bar is also taken into account. And therefore, this indicator needs an effective lookback period of period + 1.

See:
alias = ('AroonIndicator',)
frompackages = ()
packages = ()
class backtrader.indicators.aroon.AroonOscillator[source]

Bases: _AroonBase

It is a variation of the AroonUpDown indicator which shows the current difference between the AroonUp and AroonDown value, trying to present a visualization which indicates which is stronger (greater than 0 -> AroonUp and less than 0 -> AroonDown)

Formula:

  • aroonosc = aroonup - aroondown

See:
alias = ('AroonOsc',)
__init__(*args, **kwargs)
next()[source]

Calculate Aroon Oscillator for the current bar.

Oscillator = Aroon Up - Aroon Down.

once(start, end)[source]

Calculate Aroon Oscillator in runonce mode.

Computes oscillator as difference of up and down values.

frompackages = ()
packages = ()
class backtrader.indicators.aroon.AroonUpDownOscillator[source]

Bases: AroonUpDown, AroonOscillator

Presents together the indicators AroonUpDown and AroonOsc

Formula:

(None uses the aforementioned indicators)

See:
alias = ('AroonUpDownOsc',)
frompackages = ()
packages = ()