Function EwGarmanKlassVar

EwGarmanKlassVar(
    com?: number,
    span?: number,
    halflife?: number,
    alpha?: number,
): ScreamerOp
Var form of the Garman-Klass range-based volatility estimator (OHLC).
Parameters
- com: number = NaN
  Center of mass.
- span: number = NaN
  Span.
- halflife: number = NaN
  Halflife.
- alpha: number = NaN
  Smoothing parameter directly.
Returns ScreamerOp

See
https://screamer.readthedocs.io/en/latest/ for the Python reference and full details.
- Defined in generated/ops.ts:780