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Position

Position on an asset is usually checked from within a Strategy with:

  • position (a property) or getposition(data=None, broker=None)

    Which will return the position on datas[0] of the strategy in the default broker provided by cerebro

A position is simply the indication of:

  • An asset is being held with size

  • The average price is price

It serves as a status and can for example be used in deciding if an order has to be issued or not (example: long positions are only entered if no position is open)

Reference: Position

class backtrader.position.Position(size=0, price=0.0)

Keeps and updates the size and price of a position. The object has no relationship to any asset. It only keeps size and price.

Member Attributes:

* size (int): current size of the position

* price (float): current price of the position

The Position instances can be tested using len(position) to see if size is not null