feat: Refactor trading system page into separate module

This commit is contained in:
Bobby (aider) 2025-02-12 17:10:23 -08:00
parent 2fcf238f6b
commit a8aea03499
3 changed files with 166 additions and 157 deletions

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@ -0,0 +1 @@
# Trading pages package

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@ -6,3 +6,168 @@ from trading.portfolio import Portfolio, Position
from trading.position_calculator import PositionCalculator
from pages.journal.trading_journal_page import format_datetime
import streamlit as st
import pandas as pd
from datetime import datetime
from trading.journal import get_latest_portfolio_value, update_portfolio_value, get_open_trades
from trading.portfolio import Portfolio, Position
from trading.position_calculator import PositionCalculator
from pages.journal.trading_journal_page import format_datetime
def trading_system_page():
st.header("Trading System")
# Create tabs
calc_tab, portfolio_tab, value_tab = st.tabs(["Position Calculator", "Portfolio Management", "Portfolio Value"])
with calc_tab:
st.subheader("Position Calculator")
# Get latest portfolio value for default account size
portfolio_data = get_latest_portfolio_value()
default_account_size = portfolio_data['total_value'] if portfolio_data else 100000.0
col1, col2 = st.columns(2)
with col1:
account_size = st.number_input("Account Size ($)",
min_value=0.0,
value=default_account_size,
step=1000.0)
risk_percentage = st.number_input("Risk Percentage (%)",
min_value=0.1,
max_value=100.0,
value=1.0,
step=0.1)
stop_loss_percentage = st.number_input("Stop Loss Percentage (%)",
min_value=0.1,
max_value=100.0,
value=7.0,
step=0.1)
with col2:
entry_price = st.number_input("Entry Price ($)", min_value=0.01, step=0.01)
target_price = st.number_input("Target Price ($)", min_value=0.01, step=0.01)
if st.button("Calculate Position"):
try:
calculator = PositionCalculator(
account_size=account_size,
risk_percentage=risk_percentage,
stop_loss_percentage=stop_loss_percentage
)
position = calculator.calculate_position_size(entry_price, target_price)
col1, col2 = st.columns(2)
with col1:
st.metric("Number of Shares", f"{position['shares']:,}")
st.metric("Position Value", f"${position['position_value']:,.2f}")
st.metric("Risk Amount", f"${position['risk_amount']:,.2f}")
with col2:
st.metric("Stop Loss Price", f"${position['stop_loss']:.2f}")
st.metric("Potential Loss", f"${position['potential_loss']:,.2f}")
if 'potential_profit' in position:
st.metric("Potential Profit", f"${position['potential_profit']:,.2f}")
st.metric("Risk/Reward Ratio", f"{position['risk_reward_ratio']:.2f}")
except Exception as e:
st.error(f"Error calculating position: {str(e)}")
with portfolio_tab:
st.subheader("Portfolio Management")
# Initialize portfolio if not in session state
if 'portfolio' not in st.session_state:
st.session_state.portfolio = Portfolio()
# Load existing open trades into portfolio
open_trades = get_open_trades()
for trade in open_trades:
position = Position(
symbol=trade['ticker'],
entry_date=trade['entry_date'],
entry_price=trade['entry_price'],
shares=trade['shares'],
stop_loss=trade['stop_loss'],
target_price=trade['target_price']
)
st.session_state.portfolio.add_position(position)
# Add position form
with st.expander("Add New Position"):
col1, col2 = st.columns(2)
with col1:
symbol = st.text_input("Symbol").upper()
shares = st.number_input("Number of Shares", min_value=1, step=1)
entry_price = st.number_input("Entry Price ($)", min_value=0.01, step=0.01, key="port_entry_price")
with col2:
target_price = st.number_input("Target Price ($)", min_value=0.01, step=0.01, key="port_target_price")
stop_loss = st.number_input("Stop Loss ($)", min_value=0.01, step=0.01)
if st.button("Add Position"):
try:
position = Position(
symbol=symbol,
entry_date=datetime.now(),
entry_price=entry_price,
shares=shares,
stop_loss=stop_loss,
target_price=target_price
)
st.session_state.portfolio.add_position(position)
st.success(f"Added position: {symbol}")
except Exception as e:
st.error(f"Error adding position: {str(e)}")
# Display current portfolio
positions = st.session_state.portfolio.get_position_summary()
if positions:
st.subheader("Current Positions")
# Add a counter to make unique keys
for i, pos in enumerate(positions):
with st.expander(f"{pos['symbol']} Position - {format_datetime(pos['entry_date'])}"):
col1, col2 = st.columns(2)
with col1:
st.metric("Entry Price", f"${pos['entry_price']:.2f}")
st.metric("Shares", pos['shares'])
st.metric("Current Value", f"${pos['current_value']:.2f}")
with col2:
st.metric("Stop Loss", f"${pos['stop_loss']:.2f}")
st.metric("Target", f"${pos['target_price']:.2f}")
st.metric("Risk/Reward", f"{pos['risk_reward_ratio']:.2f}")
if st.button(f"Remove {pos['symbol']}", key=f"remove_{pos['symbol']}_{i}"):
st.session_state.portfolio.remove_position(pos['symbol'])
st.rerun()
else:
st.info("No positions in portfolio")
with value_tab:
st.subheader("Portfolio Value Management")
# Get latest portfolio value
portfolio_data = get_latest_portfolio_value()
if portfolio_
st.metric("Current Portfolio Value", f"${portfolio_data['total_value']:,.2f}")
st.metric("Cash Balance", f"${portfolio_data['cash_balance']:,.2f}")
st.text(f"Last Updated: {portfolio_data['date']}")
else:
st.info("No portfolio value data found")
# Update portfolio value form
with st.expander("Update Portfolio Value"):
new_value = st.number_input("New Portfolio Value ($)", min_value=0.0, step=100.0)
new_cash = st.number_input("New Cash Balance ($)", min_value=0.0, step=100.0)
notes = st.text_area("Notes (optional)", key="portfolio_value_notes")
if st.button("Update Values"):
try:
update_portfolio_value(new_value, new_cash, notes)
st.success("Portfolio value updated successfully!")
st.set_query_params(rerun=True)
except Exception as e:
st.error(f"Error updating portfolio value: {str(e)}")

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@ -35,163 +35,6 @@ def init_session_state():
def trading_system_page():
st.header("Trading System")
# Create tabs
calc_tab, portfolio_tab, value_tab = st.tabs(["Position Calculator", "Portfolio Management", "Portfolio Value"])
with calc_tab:
st.subheader("Position Calculator")
# Get latest portfolio value for default account size
portfolio_data = get_latest_portfolio_value()
default_account_size = portfolio_data['total_value'] if portfolio_data else 100000.0
col1, col2 = st.columns(2)
with col1:
account_size = st.number_input("Account Size ($)",
min_value=0.0,
value=default_account_size,
step=1000.0)
risk_percentage = st.number_input("Risk Percentage (%)",
min_value=0.1,
max_value=100.0,
value=1.0,
step=0.1)
stop_loss_percentage = st.number_input("Stop Loss Percentage (%)",
min_value=0.1,
max_value=100.0,
value=7.0,
step=0.1)
with col2:
entry_price = st.number_input("Entry Price ($)", min_value=0.01, step=0.01)
target_price = st.number_input("Target Price ($)", min_value=0.01, step=0.01)
if st.button("Calculate Position"):
try:
calculator = PositionCalculator(
account_size=account_size,
risk_percentage=risk_percentage,
stop_loss_percentage=stop_loss_percentage
)
position = calculator.calculate_position_size(entry_price, target_price)
col1, col2 = st.columns(2)
with col1:
st.metric("Number of Shares", f"{position['shares']:,}")
st.metric("Position Value", f"${position['position_value']:,.2f}")
st.metric("Risk Amount", f"${position['risk_amount']:,.2f}")
with col2:
st.metric("Stop Loss Price", f"${position['stop_loss']:.2f}")
st.metric("Potential Loss", f"${position['potential_loss']:,.2f}")
if 'potential_profit' in position:
st.metric("Potential Profit", f"${position['potential_profit']:,.2f}")
st.metric("Risk/Reward Ratio", f"{position['risk_reward_ratio']:.2f}")
except Exception as e:
st.error(f"Error calculating position: {str(e)}")
with portfolio_tab:
st.subheader("Portfolio Management")
# Initialize portfolio if not in session state
if 'portfolio' not in st.session_state:
st.session_state.portfolio = Portfolio()
# Load existing open trades into portfolio
open_trades = get_open_trades()
for trade in open_trades:
position = Position(
symbol=trade['ticker'],
entry_date=trade['entry_date'],
entry_price=trade['entry_price'],
shares=trade['shares'],
stop_loss=trade['stop_loss'],
target_price=trade['target_price']
)
st.session_state.portfolio.add_position(position)
# Add position form
with st.expander("Add New Position"):
col1, col2 = st.columns(2)
with col1:
symbol = st.text_input("Symbol").upper()
shares = st.number_input("Number of Shares", min_value=1, step=1)
entry_price = st.number_input("Entry Price ($)", min_value=0.01, step=0.01, key="port_entry_price")
with col2:
target_price = st.number_input("Target Price ($)", min_value=0.01, step=0.01, key="port_target_price")
stop_loss = st.number_input("Stop Loss ($)", min_value=0.01, step=0.01)
if st.button("Add Position"):
try:
position = Position(
symbol=symbol,
entry_date=datetime.now(),
entry_price=entry_price,
shares=shares,
stop_loss=stop_loss,
target_price=target_price
)
st.session_state.portfolio.add_position(position)
st.success(f"Added position: {symbol}")
except Exception as e:
st.error(f"Error adding position: {str(e)}")
# Display current portfolio
positions = st.session_state.portfolio.get_position_summary()
if positions:
st.subheader("Current Positions")
# Add a counter to make unique keys
for i, pos in enumerate(positions):
with st.expander(f"{pos['symbol']} Position - {format_datetime(pos['entry_date'])}"):
col1, col2 = st.columns(2)
with col1:
st.metric("Entry Price", f"${pos['entry_price']:.2f}")
st.metric("Shares", pos['shares'])
st.metric("Current Value", f"${pos['current_value']:.2f}")
with col2:
st.metric("Stop Loss", f"${pos['stop_loss']:.2f}")
st.metric("Target", f"${pos['target_price']:.2f}")
st.metric("Risk/Reward", f"{pos['risk_reward_ratio']:.2f}")
if st.button(f"Remove {pos['symbol']}", key=f"remove_{pos['symbol']}_{i}"):
st.session_state.portfolio.remove_position(pos['symbol'])
st.rerun()
else:
st.info("No positions in portfolio")
with value_tab:
st.subheader("Portfolio Value Management")
# Get latest portfolio value
portfolio_data = get_latest_portfolio_value()
if portfolio_data:
st.metric("Current Portfolio Value", f"${portfolio_data['total_value']:,.2f}")
st.metric("Cash Balance", f"${portfolio_data['cash_balance']:,.2f}")
st.text(f"Last Updated: {portfolio_data['date']}")
else:
st.info("No portfolio value data found")
# Update portfolio value form
with st.expander("Update Portfolio Value"):
new_value = st.number_input("New Portfolio Value ($)", min_value=0.0, step=100.0)
new_cash = st.number_input("New Cash Balance ($)", min_value=0.0, step=100.0)
notes = st.text_area("Notes (optional)", key="portfolio_value_notes")
if st.button("Update Values"):
try:
update_portfolio_value(new_value, new_cash, notes)
st.success("Portfolio value updated successfully!")
st.set_query_params(rerun=True)
except Exception as e:
st.error(f"Error updating portfolio value: {str(e)}")
def trading_plan_page():