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from nautilus_trader.indicators.average.moving_average cimport MovingAverage
from nautilus_trader.indicators.base.indicator cimport Indicator


cdef class PsychologicalLine(Indicator):
    cdef MovingAverage _ma

    cdef readonly int period
    """The window period.\n\n:returns: `int`"""
    cdef readonly double _diff
    """The current difference.\n\n:returns: `double`"""
    cdef readonly double _previous_close
    """The previous close price.\n\n:returns: `double`"""
    cdef readonly double value
    """The current  value.\n\n:returns: `double`"""

    cpdef void update_raw(self, double close)
