mirror of
https://github.com/OpenBB-finance/OpenBB.git
synced 2026-10-29 05:21:48 +00:00
126 lines
3.8 KiB
Python
126 lines
3.8 KiB
Python
import os
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from datetime import datetime, timedelta
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import discord
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from matplotlib import pyplot as plt
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from gamestonk_terminal.helper_funcs import plot_autoscale
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from gamestonk_terminal.common.technical_analysis import volume_model
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from gamestonk_terminal.config_plot import PLOT_DPI
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import discordbot.config_discordbot as cfg
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from discordbot.run_discordbot import gst_imgur
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import discordbot.helpers
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async def obv_command(ctx, ticker="", start="", end=""):
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"""Displays chart with on balance volume [Yahoo Finance]"""
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try:
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# Debug
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if cfg.DEBUG:
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print(f"!stocks.ta.obv {ticker} {start} {end}")
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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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ticker = ticker.upper()
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df_stock = discordbot.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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# Output Data
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bar_colors = [
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"r" if x[1].Open < x[1].Close else "g" for x in df_stock.iterrows()
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]
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bar_width = timedelta(days=1)
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divisor = 1_000_000
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df_vol = df_stock["Volume"].dropna()
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df_vol = df_vol.values / divisor
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df_ta = volume_model.obv("1440min", df_stock)
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df_cal = df_ta.values
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df_cal = df_cal / divisor
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fig, axes = plt.subplots(
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3,
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1,
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gridspec_kw={"height_ratios": [2, 1, 1]},
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figsize=plot_autoscale(),
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dpi=PLOT_DPI,
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)
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ax = axes[0]
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ax.plot(df_stock.index, df_stock["Adj Close"].values, "k", lw=2)
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ax.set_title(f"{ticker} OBV")
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ax.set_xlim(df_stock.index[0], df_stock.index[-1])
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ax.set_ylabel("Price")
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ax.grid(b=True, which="major", color="#666666", linestyle="-")
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ax.minorticks_on()
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ax.grid(b=True, which="minor", color="#999999", linestyle="-", alpha=0.2)
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ax2 = axes[1]
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ax2.set_xlim(df_stock.index[0], df_stock.index[-1])
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ax2.set_ylabel("Volume [M]")
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ax2.bar(
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df_stock.index,
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df_vol,
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color=bar_colors,
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alpha=0.8,
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width=bar_width,
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)
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ax3 = axes[2]
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ax3.set_ylabel("OBV [M]")
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ax3.set_xlabel("Time")
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ax3.plot(df_ta.index, df_cal, "b", lw=1)
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ax3.set_xlim(df_stock.index[0], df_stock.index[-1])
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ax3.grid(b=True, which="major", color="#666666", linestyle="-")
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ax3.minorticks_on()
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ax3.grid(b=True, which="minor", color="#999999", linestyle="-", alpha=0.2)
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plt.gcf().autofmt_xdate()
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fig.tight_layout(pad=1)
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plt.savefig("ta_obv.png")
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uploaded_image = gst_imgur.upload_image("ta_obv.png", title="something")
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image_link = uploaded_image.link
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if cfg.DEBUG:
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print(f"Image URL: {image_link}")
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title = "Stocks: On-Balance-Volume " + ticker
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embed = discord.Embed(title=title, colour=cfg.COLOR)
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embed.set_author(
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name=cfg.AUTHOR_NAME,
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icon_url=cfg.AUTHOR_ICON_URL,
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)
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embed.set_image(url=image_link)
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os.remove("ta_obv.png")
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await ctx.send(embed=embed)
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except Exception as e:
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embed = discord.Embed(
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title="ERROR Stocks: On-Balance-Volume",
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colour=cfg.COLOR,
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description=e,
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)
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embed.set_author(
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name=cfg.AUTHOR_NAME,
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icon_url=cfg.AUTHOR_ICON_URL,
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)
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await ctx.send(embed=embed)
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