Identify NR7 Candles for a stock Using Python and Zerodha

				
					from datetime import datetime, timedelta

# Define the date range
start_date = datetime.strptime('2023-01-01', '%Y-%m-%d')
end_date = datetime.strptime('2023-09-18', '%Y-%m-%d')

# Define the interval (in minutes)
interval = 'day'

# Initialize variables to track NR7 candles
nr7_candles = []

# Define the stock symbol for CIPLA
symbol = 'NSE:CIPLA'

# Fetch instrument data for CIPLA
instruments = kite.ltp([symbol])

# Check if the instrument token for CIPLA is in the instruments dictionary
if symbol in instruments:
    instrument_token = instruments[symbol]['instrument_token']

    # Iterate through smaller date ranges (each within 60 days)
    while start_date < end_date:
        # Calculate the end date for the current batch (within 60 days)
        batch_end_date = start_date + timedelta(days=60)

        # Ensure that the batch end date does not exceed the overall end date
        if batch_end_date > end_date:
            batch_end_date = end_date

        # Fetch historical data for the current batch
        historical_data = kite.historical_data(instrument_token, start_date, batch_end_date, interval)

        # Iterate through historical data to detect NR7 candles for this batch
        for i in range(6, len(historical_data)):
            current_candle = historical_data[i]

            # Calculate the trading range for the previous six candles
            previous_candles = historical_data[i - 6:i]
            trading_ranges = [candle['high'] - candle['low'] for candle in previous_candles]

            # Check if the current candle has the narrowest range among the previous six
            if min(trading_ranges) == trading_ranges[-1]:
                nr7_candles.append(current_candle)

        # Move the start date for the next batch
        start_date = batch_end_date

    # Print or post detected NR7 candles for CIPLA in the entire date range
    for candle in nr7_candles:
        print(f"NR7 Candle detected at {candle['date']} for CIPLA")
else:
    print("Instrument token not found for CIPLA")