BB Fill + Visible-Range Fib Retracement# BB Fill + Visible-Range Fib Retracement
A 2-in-1 Pine Script indicator that bundles a **Bollinger Bands volatility fill** and a **visible-range Fibonacci retracement** into a single script. If your TradingView plan limits the number of indicators you can have on a chart at once, this lets you get both tools for the price of one indicator slot.
## Bollinger Bands (grey fill)
Standard Bollinger Bands math is used under the hood:
- **Basis** = Simple Moving Average (SMA) of the source over th
Chỉ báo























