Logistic Function (SIGMOID)

Category: momentum, cycle

A nonlinear transformation function that maps price series data into a normalized range of 0 to 1 using a logistic curve.

Formula

S(x) = \frac{1}{1 + e^{-k(x - x_0)}}

Inputs

• i_source (default: close)
• i_steepness_k (default: 0.5)

See signal primitives, usage in published strategies and more on WOBR StrategyVerse.