Sizers Reference

FixedSize

class backtrader.sizers.FixedSize()

This sizer simply returns a fixed size for any operation. Size can be controlled by number of tranches that a system wishes to use to scale into trades by specifying the tranches parameter.

Params:

* `stake` (default: `1`)

* `tranches` (default: `1`)

FixedReverser

class backtrader.sizers.FixedReverser()

This sizer returns the needes fixed size to reverse an open position or the fixed size to open one

  • To open a position: return the param stake

  • To reverse a position: return 2 * stake

Params:

* `stake` (default: `1`)

PercentSizer

class backtrader.sizers.PercentSizer()

This sizer return percents of available cash

Params:

* `percents` (default: `20`)

AllInSizer

class backtrader.sizers.AllInSizer()

This sizer return all available cash of broker

Params:

* `percents` (default: `100`)

PercentSizerInt

class backtrader.sizers.PercentSizerInt()

This sizer return percents of available cash in form of size truncated to an int

Params:

* `percents` (default: `20`)

AllInSizerInt

class backtrader.sizers.AllInSizerInt()

This sizer return all available cash of broker with the size truncated to an int

Params:

  * `percents` (default: `100`)