def test_apz():
"""test TA.APZ"""
apz = TA.APZ(ohlc).round(decimals=8)
assert isinstance(apz["UPPER"], series.Series)
assert isinstance(apz["LOWER"], series.Series)
assert apz["UPPER"].values[-1] == 7193.97725794
def test_apz():
"""test TA.APZ"""
apz = TA.APZ(ohlc)
assert isinstance(apz["UPPER"], series.Series)
assert isinstance(apz["LOWER"], series.Series)
assert apz["UPPER"].values[-1] == 7193.9772579390283
def get_apz(data):
if data is None:
raise ValueError("Invalid data value")
result = TA.APZ(data)
if result is None:
raise IndicatorException
return result
def test_apz():
'''test TA.APZ'''
apz = TA.APZ(ohlc)
assert isinstance(apz['UPPER'], series.Series)
assert isinstance(apz['LOWER'], series.Series)
assert apz['UPPER'].values[-1] == 7193.9772579390283
def get_apz(data):
"""Calculate the adaptive price zone of given dataframe.
:param data: a dataframe in OHLC format
:return: a concatenated Pandas series
"""
if data is None:
raise EmptyDataError("[!] Invalid data value")
result = TA.APZ(data)
if result is None:
raise IndicatorException
return result
def APZ(data, period=21, dev_factor=2, ma_type=None):
"""
Adaptive Price Zone
APZ is as a volatility based indicator developed by Lee Leibfarth that appears as a set of bands placed over a
price chart.
Especially useful in non-trending, choppy markets, the APZ was created to help traders find potential turning
points in the markets.
:param pd.DataFrame data: pandas DataFrame with open, high, low, close data
:param int period: period used for indicator calculation
:param float dev_factor: standard derivation factor
:param int ma_type: moving average type (0 simple, 1 exponential)
:return pd.Series: with indicator data calculation results
"""
return TA.APZ(data, period, dev_factor, ma_type)
# Chande momentum oscillator range bounded +/- 100
prices["CMO"] = TA.CMO(ohlc)
# Chandelier Exit sets a trailing stop loss based on ATR
prices["C_Exit"] = TA.CHANDELIER(ohlc)
# Qstick indicator - dominance of candlesticks
prices["QSTICK"] = TA.QSTICK(ohlc)
# One look equilibrium chart (ICHIMOKU)
# indicator for support, resistance, trend direction, momentum and trading signals
prices["tenkan_sen"], prices["kijun_sen"], prices["senkou_span_a"], prices["senkou_span_b"], prices["chikou_span"] = TA.ICHIMOKU(ohlc)
# Adaptive price zone - help to find turning points in non-trending choppy markets
prices["APZ"] = TA.APZ(ohlc)
# Vector size indicator
prices["VSI"] = TA.VR(ohlc)
# Squeeze momentum indicator
# Generally the market is in quiet consolidation or vertical price discovery, this helps to identify these calm periods
prices["SQZMI"] = TA.SQZMI(ohlc)
# Volume price trend
prices["VPT"] = TA.VPT(ohlc)
# Money flow indicator
prices["FVE"] = TA.FVE(ohlc)
# Volume based on the direction of price movements
