Position on an asset is usually checked from within a Strategy with:
资产情况通常通过以下方式从策略内部进行检查：
-
position(a property) orgetposition(data=None, broker=None)Which will return the position on
datas[0]of the strategy in the defaultbrokerprovided by cerebro - 它将返回策略的数据[0]在大脑提供的默认券商【经纪人】中的位置
- 通过self.
getposition内的参数就可以拿到指定数据【也就是后续指定股票】的持仓情况
A position is simply the indication of:
持仓位置仅表示:
-
An asset is being held with
size - 持有股票的数量大小
-
The average price is
price - 持仓的平均价格
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)
它作为一种状态，例如可用于决定是否必须发出订单（例如：只有在没有空头头寸时才输入多头头寸）
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.
保持并更新仓位的大小和价格。对象与任何资产都没有关系。它只保留尺寸和价格。
Member Attributes:
成员属性:
* 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
可以使用len（Position）测试Position实例，看看size是否不为null