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import yfinance as yf
import pandas as pd
import matplotlib.pyplot as plt
import mplfinance as mpf
def create_beginner_friendly_candlestick_chart(ticker, period="6mo", interval="1d"):
try:
# Fetch stock data
stock = yf.Ticker(ticker)
df = stock.history(period=period, interval=interval)
if df.empty:
return "No data found for the stock", None
# Ensure the index is a DatetimeIndex
df.index = pd.to_datetime(df.index)
# Prepare data for mplfinance
df_mpl = df[['Open', 'High', 'Low', 'Close', 'Volume']]
# Create a more straightforward mplfinance plot
style = mpf.make_mpf_style(base_mpf_style='yahoo', rc={'font.size':10})
# Save plot directly using mplfinance
plot_path = f'{ticker}_candlestick_chart.png'
mpf.plot(
df_mpl,
type='candle',
volume=True,
title=f'{ticker} Stock Price - Candlestick Chart',
style=style,
savefig=plot_path
)
# Generate a beginner-friendly explanation
explanation = f"""
🕯️ Candlestick Chart Explained for {ticker}:
What is a Candlestick?
- Each 'candle' represents one day of trading
- Shows four key price points: Open, Close, High, Low
How to Read the Candles:
🟢 Green Candle = Price Went Up
- Bottom of candle = Opening Price
- Top of candle = Closing Price
🔴 Red Candle = Price Went Down
- Top of candle = Opening Price
- Bottom of candle = Closing Price
Additional Insights:
- Candle 'Wicks' show the highest and lowest prices of the day
- Volume chart below shows how many shares were traded
Recent Performance:
- Latest Close Price: ${df['Close'][-1]:.2f}
- Price Change: ${df['Close'][-1] - df['Close'][-2]:.2f}
- Percentage Change: {((df['Close'][-1] / df['Close'][-2] - 1) * 100):.2f}%
"""
return explanation, plot_path
except Exception as e:
return f"Error creating chart: {e}", None
# Gradio Interface for Candlestick Chart
import gradio as gr
def candlestick_interface(ticker, period, interval):
explanation, plot_path = create_beginner_friendly_candlestick_chart(ticker, period, interval)
return explanation, plot_path
# Create Gradio Interface
iface = gr.Interface(
fn=candlestick_interface,
inputs=[
gr.Textbox(label="Stock Ticker (e.g., AAPL, MSFT)", value="AAPL"),
gr.Textbox(label="Time Period (e.g., 6mo, 1y)", value="6mo"),
gr.Textbox(label="Data Interval (e.g., 1d, 1h)", value="1d")
],
outputs=[
gr.Textbox(label="Candlestick Chart Explanation"),
gr.Image(label="Candlestick Chart")
],
title="Candlestick Chart Explained",
description="Understand stock price movements with an easy-to-read candlestick chart"
)
# Launch the interface
iface.launch(share=True) |