mirror of
https://github.com/OpenBB-finance/OpenBB.git
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fae93c67ad
* 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>
97 lines
2.8 KiB
Python
97 lines
2.8 KiB
Python
from datetime import datetime, timedelta
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from matplotlib import pyplot as plt
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import bots.config_discordbot as cfg
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import bots.helpers
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from bots.config_discordbot import logger
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from bots.helpers import image_border
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from gamestonk_terminal.common.technical_analysis import volatility_model
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from gamestonk_terminal.config_plot import PLOT_DPI
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from gamestonk_terminal.helper_funcs import plot_autoscale
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def donchian_command(
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ticker="", upper_length="25", lower_length="100", start="", end=""
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):
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"""Displays chart with donchian channel [Yahoo Finance]"""
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# Debug
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if cfg.DEBUG:
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logger.debug(
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"ta donchian %s %s %s %s %s",
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ticker,
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upper_length,
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lower_length,
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start,
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end,
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)
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# Check for argument
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if ticker == "":
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raise Exception("Stock ticker is required")
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if start == "":
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start = datetime.now() - timedelta(days=365)
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else:
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start = datetime.strptime(start, cfg.DATE_FORMAT)
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if end == "":
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end = datetime.now()
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else:
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end = datetime.strptime(end, cfg.DATE_FORMAT)
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if not upper_length.lstrip("-").isnumeric():
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raise Exception("Number has to be an integer")
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upper_length = float(upper_length)
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if not lower_length.lstrip("-").isnumeric():
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raise Exception("Number has to be an integer")
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lower_length = float(lower_length)
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ticker = ticker.upper()
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df_stock = bots.helpers.load(ticker, start)
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if df_stock.empty:
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raise Exception("Stock ticker is invalid")
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# Retrieve Data
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df_stock = df_stock.loc[(df_stock.index >= start) & (df_stock.index < end)]
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df_ta = volatility_model.donchian(
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df_stock["High"], df_stock["Low"], upper_length, lower_length
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)
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# Output Data
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fig, ax = plt.subplots(figsize=plot_autoscale(), dpi=PLOT_DPI)
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ax.plot(df_stock.index, df_stock["Adj Close"].values, color="k", lw=3)
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ax.plot(df_ta.index, df_ta.iloc[:, 0].values, "b", lw=1.5, label="upper")
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ax.plot(df_ta.index, df_ta.iloc[:, 1].values, "b", lw=1.5, ls="--")
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ax.plot(df_ta.index, df_ta.iloc[:, 2].values, "b", lw=1.5, label="lower")
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ax.set_title(f"{ticker} donchian")
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ax.set_xlim(df_stock.index[0], df_stock.index[-1])
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ax.set_xlabel("Time")
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ax.set_ylabel("Price ($)")
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ax.legend([ticker, df_ta.columns[0], df_ta.columns[1], df_ta.columns[2]])
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ax.fill_between(
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df_ta.index,
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df_ta.iloc[:, 0].values,
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df_ta.iloc[:, 2].values,
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alpha=0.1,
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color="b",
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)
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ax.grid(b=True, which="major", color="#666666", linestyle="-")
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plt.gcf().autofmt_xdate()
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fig.tight_layout(pad=1)
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plt.legend()
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imagefile = "ta_donchian.png"
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plt.savefig(imagefile)
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imagefile = image_border(imagefile)
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return {
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"title": f"Stocks: Donchian-Channels {ticker}",
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"imagefile": imagefile,
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}
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