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DI_MINUS — Negative Directional Indicator (-DI) Trading Series

The DI_MINUS trading series represents the Negative Directional Indicator (-DI), a component of the ADX system that measures downward price movement strength.

It is built upon the Directional Movement Index (-DI) implementation from the indicators module.

Parameters

DI_MINUS(
    ticker: str,
    length: int = 14
)
  • ticker (str): Asset ticker symbol (e.g., "AAPL").
  • length (int): Lookback period to calculate the -DI. Default is 14.

Description

  • Higher -DI values suggest stronger downward movement.
  • Often combined with +DI and ADX to assess overall trend strength and direction.

Example Usage

DI_MINUS(
    ticker="AAPL",
    length=14
)