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import streamlit as st | |
from data_fetcher.yfinance_client import fetch_intraday_data | |
from indicators.ema import calculate_ema | |
from indicators.rsi import calculate_rsi | |
from indicators.macd import calculate_macd | |
from indicators.bollinger_bands import calculate_bollinger_bands | |
from signals.strategy import generate_combined_signals | |
from utils.plotting import plot_stock_data_with_signals | |
import pandas as pd | |
# Streamlit app title | |
st.title('Stock Intraday Signal App') | |
# Introduction and instructions | |
st.write(""" | |
## Introduction | |
Welcome to the Stock Intraday Signal App! This application analyzes stock data to generate buy/sell signals based on technical indicators such as EMA, RSI, MACD, and Bollinger Bands. It's designed to help day traders make informed decisions. | |
## How to Use | |
1. Enter a stock symbol in the sidebar. | |
2. Choose the date range for the analysis. | |
3. Click on "Analyze" to view the stock data, indicators, and signals. | |
""") | |
# Sidebar inputs | |
st.sidebar.header('User Input Parameters') | |
stock_symbol = st.sidebar.text_input('Stock Symbol', value='AAPL', max_chars=5) | |
start_date = st.sidebar.date_input('Start Date') | |
end_date = st.sidebar.date_input('End Date') | |
analyze_button = st.sidebar.button('Analyze') | |
# Main functionality | |
if analyze_button: | |
# Fetch stock data | |
st.write(f"Fetching data for {stock_symbol} from {start_date} to {end_date}...") | |
data = fetch_intraday_data(stock_symbol, start_date.isoformat(), end_date.isoformat()) | |
if data.empty: | |
st.error("No data found for the given parameters. Please try different dates or stock symbols.") | |
else: | |
# Calculate indicators | |
st.write("Calculating indicators...") | |
ema_periods = [20, 50] # Example periods for EMA | |
data = calculate_ema(data, ema_periods) | |
data = calculate_rsi(data) | |
data = calculate_macd(data) | |
data = calculate_bollinger_bands(data) | |
# Generate signals | |
st.write("Generating signals...") | |
data = generate_combined_signals(data) | |
# Plot results | |
st.write("Visualizing data, indicators, and signals...") | |
plot_stock_data_with_signals(data) | |