moshferatu/swing-trading-dashboard
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Share OHLC data between the chart and signal grid

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moshferatu 2024-10-28 11:04:43 -07:00
parent d8870e0c62
commit a5d12cfcf8
1 changed files with 8 additions and 13 deletions
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21
dashboard.py
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@ -27,30 +27,25 @@ signal_functions: List[Dict[str, SignalFunction]] = [
] ]
symbol = 'SPY' symbol = 'SPY'
today = datetime.today()
data = ohlc(symbol = symbol, start_date = today - timedelta(days = 180), end_date = today)
def calculate_signals(data: DataFrame, days: int = 12) -> DataFrame: def calculate_signals(days: int = 12) -> DataFrame:
end_date = datetime.today()
start_date = end_date - timedelta(days = days + 10)
data = ohlc(symbol = symbol, start_date = start_date, end_date = end_date)
recent_signals = data.tail(days)
signal_data = [] signal_data = []
for signal_info in signal_functions: for signal_info in signal_functions:
signals = signal_info['function'](recent_signals)
signal_dict = {'Strategy': signal_info['strategy']} signal_dict = {'Strategy': signal_info['strategy']}
dates = [datetime.strptime(str(date), '%Y-%m-%d').strftime('%m/%d') for date in recent_signals['Date']]
signals = signal_info['function'](data).tail(days)
dates = [datetime.strptime(str(date), '%Y-%m-%d').strftime('%m/%d') for date in data.tail(days)['Date']]
for date, signal in zip(dates, signals): for date, signal in zip(dates, signals):
signal_dict[date] = signal signal_dict[date] = signal
signal_data.append(signal_dict) signal_data.append(signal_dict)
return DataFrame(signal_data) return DataFrame(signal_data)
def load_chart() -> dict: def load_chart() -> dict:
today = datetime.today()
data = ohlc(symbol = symbol, start_date = today - timedelta(days = 180), end_date = today)
candlestick_chart = CandlestickChart( candlestick_chart = CandlestickChart(
x = data['Date'], x = data['Date'],
opens = data['Open'], opens = data['Open'],
@ -61,7 +56,7 @@ def load_chart() -> dict:
return figure_with_subplots([[candlestick_chart]]) return figure_with_subplots([[candlestick_chart]])
signal_data = calculate_signals(DataFrame(), days = 12) signal_data = calculate_signals()
app.layout = dbc.Container( app.layout = dbc.Container(
[ [