CODE EXAMPLE FOR PYTHON

Freqtrade - sell after x candels

from freqtrade.exchange import timeframe_to_minutes

class AwesomeStrategy(IStrategy):

    timeframe = "1d"
    timeframe_mins = timeframe_to_minutes(timeframe)
    minimal_roi = {
        "0": 0.05,                             # 5% for the first 3 candles
        str(timeframe_mins * 3)): 0.02,  # 2% after 3 candles
        str(timeframe_mins * 6)): 0.01,  # 1% After 6 candles
    }