Files
OpenBB/bots/stocks/technical_analysis/cg.py
Colin Delahunty fae93c67ad Refactor Bot (#1326)
* First commit

* Renamed to bot

* change from discordbot to bots imports

* refractor cmds

+ autocomplete helpers
+ updated dps plots/candle
+ quote cmd

* isort fix

* Update helpers.py

* Added first refactor

* Added commands and refactor

* Added description handler

* Through grains

* ta + image border helper

* Added indices

* merged

* Finished econ

* options refactor

* dark_pool_shorts, candle, quote done

* pagination/dropdown logic to helpers + fixes

* dd/disc/insider done + add image logic to helpers

* linting

* removed plt style

* Almost done with Gov

* fixing conflicts

* Finished gov (excpect ones mentioned)

* screener done

* Test bug refactor

* Store changes to switch

* Finished refactor

* Fixed error

* Delete ::40

* Fixed issue

* Fixed black

* finished

* fixes

Co-authored-by: teh_coderer <me@tehcoderer.com>
Co-authored-by: didierlopes.eth <dro.lopes@campus.fct.unl.pt>
2022-02-20 10:36:59 -05:00

87 lines
2.5 KiB
Python

from datetime import datetime, timedelta
import numpy as np
from matplotlib import pyplot as plt
import bots.config_discordbot as cfg
import bots.helpers
from bots.config_discordbot import logger
from bots.helpers import image_border
from gamestonk_terminal.common.technical_analysis import momentum_model
from gamestonk_terminal.config_plot import PLOT_DPI
from gamestonk_terminal.helper_funcs import plot_autoscale
def cg_command(ticker="", length="14", start="", end=""):
"""Displays chart with centre of gravity [Yahoo Finance]"""
# Debug
if cfg.DEBUG:
logger.debug(
"ta-cg %s %s %s %s",
ticker,
length,
start,
end,
)
# Check for argument
if ticker == "":
raise Exception("Stock ticker is required")
if start == "":
start = datetime.now() - timedelta(days=365)
else:
start = datetime.strptime(start, cfg.DATE_FORMAT)
if end == "":
end = datetime.now()
else:
end = datetime.strptime(end, cfg.DATE_FORMAT)
if not length.lstrip("-").isnumeric():
raise Exception("Number has to be an integer")
length = float(length)
ticker = ticker.upper()
df_stock = bots.helpers.load(ticker, start)
if df_stock.empty:
raise Exception("Stock ticker is invalid")
# Retrieve Data
df_stock = df_stock.loc[(df_stock.index >= start) & (df_stock.index < end)]
df_close = df_stock["Adj Close"]
df_close.columns = ["values"]
df_ta = momentum_model.cg(df_close, length)
# Output Data
fig, axes = plt.subplots(2, 1, figsize=plot_autoscale(), dpi=PLOT_DPI)
ax = axes[0]
ax.set_title(f"{ticker} Centre of Gravity")
ax.plot(df_stock.index, df_stock["Adj Close"].values, "k", lw=1)
ax.set_xlim(df_stock.index[0], df_stock.index[-1])
ax.set_ylabel("Share Price ($)")
ax.grid(b=True, which="major", color="#666666", linestyle="-")
ax2 = axes[1]
ax2.plot(df_ta.index, df_ta.values, "b", lw=2, label="CG")
# shift cg 1 bar forward for signal
signal = df_ta.values
signal = np.roll(signal, 1)
ax2.plot(df_ta.index, signal, "g", lw=1, label="Signal")
ax2.set_xlim(df_stock.index[0], df_stock.index[-1])
ax2.grid(b=True, which="major", color="#666666", linestyle="-")
plt.gcf().autofmt_xdate()
fig.tight_layout(pad=1)
plt.legend()
imagefile = "ta_cg.png"
plt.savefig(imagefile)
imagefile = image_border(imagefile)
return {
"title": f"Stocks: Center-of-Gravity {ticker}",
"imagefile": imagefile,
}