MFI/RSI with Volatility Bands [LazyBear (edited)]

Edited version of the script by LazyBear.

Update of my previous script.

Features:
- plot both MFI and/or RSI (LazyBear only allows one of both)
- plot an indicator band (over sold - mid - over bought)

Notes de version:

minor update

Notes de version:

Added additional functionalities.

There are now 4 possibilities for highlighting overbought/oversold

Notes de version:

minor edit

Notes de version:

minor edit

Notes de version:

reduced the number of overbought/oversold options to 2 (from 4)

Notes de version:

Significant update:

* added VFI
addes Fast-Slow Stochast

Notes de version:

* added Fast-Slow Stochastic RSI Convergence/Divergence Histogram