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"""SMA indicator, for testing purposes."""
from calendar import c
from re import sub
import pandas as pd # type: ignore
from ..interfaces import Indicator
class SMA(Indicator):
"""Replay the value."""
def __init__(self, windowSize: int):
"""Save the value."""
self.windowSize = windowSize
def __call__(self, data: pd.DataFrame) -> pd.Series:
"""Return a dataframe of valuation of each stock from the input data.
data (DataFrame): Time-Stock valuated candlestick data.
For each time and each stock give (high, low, open, close).
DataFrame: Stock valuated float.
For each stock give -1 if realy bad and +1 if realy good.
# only use date as index => actions become columns
data2 = data.unstack()
# select high prices for each action
data3 = data2["close"]
# lastND.rolling(window=2).mean()
sma = data3.rolling(window=self.windowSize).mean()
res = {}
for column in sma.columns:
# pour chaque type d'action
# print(column)
if len(sma.index) > 1:
# print(last2D[column].get(last2D.index[-1]), last2D[column].get(last2D.index[-2]))
ultieme = sma[column].get(sma.index[-1])
penultieme = sma[column].get(sma.index[-2])
if ultieme / penultieme > 1.05:
res[column] = 1
elif ultieme / penultieme < 0.95:
res[column] = -1
res[column] = 0
res[column] = 1
return pd.Series(res)