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Import CSV into Backtrader

  • Hi, I'm new to backtrader and having a hard time reading in my csv file.

    I get the error "ValueError: time data '10-18-2017T 17:59:29.5' does not match format '%m-%d-%YT%H:%M:%S.%f"

    The CSV file has the following columns

    Date Time Open High Low Close
    10-18-2017 17:59:29.5 113.084 113.092 113.062 113.063

    import backtrader as bt
    import backtrader.feeds as btfeed
    class customCSV(btfeed.GenericCSVData):
        params = (
            ('dtformat', '%m-%d-%Y'),
            ('tmformat', '%H:%M:%S.%f'),
            ('datetime', 0),
            ('time', 1),
            ('open', 2),
            ('high', 3),
            ('low', 4),
            ('close', 5),
            ('volume', -1),
            ('openinterest', -1),
    class SmaCross(bt.SignalStrategy):
        params = (('pfast', 10), ('pslow', 30),)
        def __init__(self):
            sma1, sma2 = bt.ind.SMA(period=self.p.pfast), bt.ind.SMA(period=self.p.pslow)
            self.signal_add(bt.SIGNAL_LONG, bt.ind.CrossOver(sma1, sma2))
    cerebro = bt.Cerebro()
    data = customCSV(dataname='USDJPY_Backtrader2.csv')

  • Just wild guess - default separator is (,), and your's is space and it is not specified.

  • administrators

    My upvote for @ab_trader shows my support of his theory