Combined Indicator - D (Optimized)

// description This indicator combines multiple technical analysis tools in a single view:
// - Moving Averages: WMA 21 (short-term), EMA 50 (medium), EMA 125 (medium-long), and EMA 200 (long-term)
// - Bollinger Bands: With configurable basis (SMA, EMA, WMA, etc.) and customizable standard deviation
// - CAGR Calculation: Shows compound annual growth rate and total growth for the visible period
// Moving averages help identify trends and dynamic support/resistance levels. Bollinger Bands indicate volatility
// and potential overbought/oversold zones. CAGR provides long-term performance perspective. Optimized for better
// performance with efficient calculations and reduced memory usage.