Log-Normal Price Forecast

Log-Normal Price Forecast

This Pine Script creates a log-normal forecast model of future price movements on a TradingView chart, based on historical log returns. It plots expected price trajectories and bands representing different levels of statistical deviation.

Parameters

1. Model Length – Number of bars used to calculate average and standard deviation of log returns (default: 100).
   
2. Forecast Length – Number of bars into the future for which the forecast is projected (default: 100, max: 500).
   
3. Volatility SMA Length – The smoothing length for the standard deviation (default: 20).
   
4. Confidence Intervals – Confidence intervals for price bands (default: 95%, 99%, 99.9%).