Files
OpenBB/openbb_terminal/common/technical_analysis/overlap_model.py
jmaslek b71abcfbf4 Updating some names (#1575)
* quick econ fix

* black

* keys and feature flags

* terminal name 👀

* some more replacements

* some more replacements

* edit pyproject

* gst -> openbb

* add example portfolios back to git

* Update api from gst

* sorry.  skipping some tests

* another round of names

* another round of test edits

* Missed some .gst refs and update timezone

* water mark stuff

* Fixing Names in terminal.spec and name of GTFF_DEFAULTS to OBBFF_DEFAULTS

* fix more GST to OpenBB Terminal

* Logging : merge conflicts with main

* Revert wrong files

Co-authored-by: Andrew <andrew.kenreich@gmail.com>
Co-authored-by: DidierRLopes <dro.lopes@campus.fct.unl.pt>
Co-authored-by: Chavithra PARANA <chavithra@gmail.com>
2022-03-29 09:46:26 -04:00

147 lines
3.4 KiB
Python

"""Overlap Technical Analysis"""
___docformat__ = "numpy"
import logging
import pandas as pd
import pandas_ta as ta
from openbb_terminal.decorators import log_start_end
logger = logging.getLogger(__name__)
WINDOW_LENGTHS = [20, 50]
WINDOW_LENGTHS2 = [10, 20]
@log_start_end(log=logger)
def ema(values: pd.DataFrame, length: int, offset: int) -> pd.DataFrame:
"""Gets exponential moving average (EMA) for stock
Parameters
----------
values: pd.DataFrame
Dataframe of dates and prices
length: int
Length of EMA window
offset: int
Length of offset
Returns
----------
pd.DataFrame
Dataframe containing prices and EMA
"""
return pd.DataFrame(ta.ema(values, length=length, offset=offset)).dropna()
@log_start_end(log=logger)
def sma(values: pd.DataFrame, length: int, offset: int) -> pd.DataFrame:
"""Gets simple moving average (EMA) for stock
Parameters
----------
values: pd.DataFrame
Dataframe of dates and prices
length: int
Length of SMA window
offset: int
Length of offset
Returns
----------
pd.DataFrame
Dataframe containing prices and SMA
"""
return pd.DataFrame(ta.sma(values, length=length, offset=offset)).dropna()
@log_start_end(log=logger)
def wma(values: pd.DataFrame, length: int, offset: int) -> pd.DataFrame:
"""Gets weighted moving average (WMA) for stock
Parameters
----------
values: pd.DataFrame
Dataframe of dates and prices
length: int
Length of SMA window
offset: int
Length of offset
Returns
----------
df_ta: pd.DataFrame
Dataframe containing prices and WMA
"""
return pd.DataFrame(ta.wma(values, length=length, offset=offset)).dropna()
@log_start_end(log=logger)
def hma(values: pd.DataFrame, length: int, offset: int) -> pd.DataFrame:
"""Gets hull moving average (HMA) for stock
Parameters
----------
values: pd.DataFrame
Dataframe of dates and prices
length: int
Length of SMA window
offset: int
Length of offset
Returns
----------
df_ta: pd.DataFrame
Dataframe containing prices and HMA
"""
return pd.DataFrame(ta.hma(values, length=length, offset=offset)).dropna()
@log_start_end(log=logger)
def zlma(values: pd.DataFrame, length: int, offset: int) -> pd.DataFrame:
"""Gets zero-lagged exponential moving average (ZLEMA) for stock
Parameters
----------
data: pd.DataFrame
Dataframe of dates and prices
length: int
Length of EMA window
offset: int
Length of offset
Returns
----------
df_ta: pd.DataFrame
Dataframe containing prices and EMA
"""
return pd.DataFrame(ta.zlma(values, length=length, offset=offset)).dropna()
@log_start_end(log=logger)
def vwap(day_df: pd.DataFrame, offset: int) -> pd.DataFrame:
"""Gets volume weighted average price (VWAP)
Parameters
----------
day_df: pd.DataFrame
Dataframe of dates and prices for the last trading day
offset: int
Length of offset
Returns
----------
df_vwap: pd.DataFrame
Dataframe with VWAP data
"""
df_vwap = ta.vwap(
high=day_df["High"],
low=day_df["Low"],
close=day_df["Close"],
volume=day_df["Volume"],
offset=offset,
)
return pd.DataFrame(df_vwap)