Multi EMA SMA ramlakshman_Band

This advanced technical indicator overlays 20 customizable moving averages of two types (EMA & SMA) along with Bollinger Bands on your chart, enabling layered trend visualization and precise momentum tracking.
🔍 Features:

EMA Group: Select from 9 MA types (ema, sma, wma, vwma, hma, swma, alma, rma, linreg) and plot 20 different EMAs with fully adjustable lengths.

SMA Group: Same flexibility as EMAs, for 20 SMA lines, each with individual length input.

Bollinger Bands: Classic 20-period bands (configurable length and stddev), shaded for clear volatility recognition.

Toggle visibility for EMAs, SMAs, and BBs independently.

Color-coded lines for immediate visual grouping and clarity.

🎯 Use Case:

Designed for systematic traders, scalpers, trend followers, and algorithmic strategists who rely on MA crossovers, ribbon convergence/divergence, and volatility envelopes to generate signals or validate entries/exits.
🧠 Bonus:

Built on Pine Script v6 for max performance.

Optimized ma() function for dynamic multi-type averaging.

Custom hma() logic included for accurate Hull MA support.