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import streamlit as st
import yfinance as yf
import pandas as pd
import pandas_ta as ta
import matplotlib.pyplot as plt
# Caching the stock data fetch function to improve performance
@st.cache_data
def fetch_stock_data(ticker, period, interval):
return yf.download(ticker, period=period, interval=interval)
# Streamlit interface setup
st.title("Enhanced Breakout Trading Analysis Tool")
# User inputs
ticker = st.text_input("Enter Stock Ticker:", value="AAPL")
timeframe_options = ["1d", "1wk", "1mo"]
timeframe = st.selectbox("Select Time Frame:", options=timeframe_options, index=0)
period = st.selectbox("Select Period:", options=["6mo", "1y", "2y"], index=1)
analyze_button = st.button("Analyze Breakout Points")
if analyze_button:
try:
# Fetching the stock data with the selected period and interval
stock_data = fetch_stock_data(ticker, period, timeframe)
if not stock_data.empty:
# Calculating technical indicators
stock_data['SMA50'] = ta.sma(stock_data['Close'], length=50)
stock_data['SMA200'] = ta.sma(stock_data['Close'], length=200)
stock_data['RSI'] = ta.rsi(stock_data['Close'], length=14)
macd = ta.macd(stock_data['Close'])
stock_data['MACD'] = macd['MACD_12_26_9']
stock_data['MACDSignal'] = macd['MACDs_12_26_9']
# Adjusting the section that identifies crossover points to handle NaN values.
if not stock_data[['SMA50', 'SMA200']].isna().all(axis=None): # Check if not all values are NaN
valid_data = stock_data.dropna(subset=['SMA50', 'SMA200'])
crossover_points = valid_data[(valid_data['SMA50'] > valid_data['SMA200']) & (valid_data['SMA50'].shift(1) < valid_data['SMA200'].shift(1))]
else:
crossover_points = pd.DataFrame() # Empty DataFrame if all SMA50 or SMA200 values are NaN
# Plotting
fig, ax = plt.subplots(2, 1, figsize=(10, 12), sharex=True)
# Price, SMAs, and breakout points
ax[0].plot(stock_data['Close'], label='Close Price', color='skyblue')
ax[0].plot(stock_data['SMA50'], label='50-Day SMA', color='green')
ax[0].plot(stock_data['SMA200'], label='200-Day SMA', color='red')
ax[0].scatter(crossover_points.index, crossover_points['Close'], color='magenta', label='Breakout Points', zorder=5)
ax[0].set_title(f"{ticker} Breakout Points Analysis")
ax[0].legend()
# RSI and MACD
ax[1].plot(stock_data['RSI'], label='RSI', color='purple')
ax[1].axhline(70, linestyle='--', color='grey', alpha=0.5)
ax[1].axhline(30, linestyle='--', color='grey', alpha=0.5)
ax[1].plot(stock_data['MACD'], label='MACD', color='blue')
ax[1].plot(stock_data['MACDSignal'], label='MACD Signal', color='orange')
ax[1].legend()
# Display plot in Streamlit
st.pyplot(fig)
else:
st.error("No data found for the specified ticker. Please try another ticker.")
except Exception as e:
st.error(f"An error occurred: {e}")
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