Keltner Channels improvements and volume indicators isolation

[bukosabino]

• Keltner Channel:

  • Fixing bug on Keltner channel high band calculation. Based on: keltner_channel_hband incorrect output? #126
  • Included percentage band and width band indicators for Keltner Channel.
  • Included 2 ways to calculate the centerline of Keltner Channel: original version (SMA of typical price) vs modern version (EMA of close)

• Volume indicators isolation: Isolate all the indicators using the volume input feature to get all together using add_volume_ta wrapper function. Based on: Volume indicators isolation #129

[fettunch]

Hi @bukosabino ,

is it planned not to expose the ov parameters to the methods keltner_channel_xxxx? I see this param can only be set when instantiate KelnerChannel class and cannot be passed in when calling a single method.

Thanks in advance for your attention.

[bukosabino]

Great @fettunch ,

I will add this option asap.

Thanks for your advice!

[bukosabino]

Hi @fettunch ,

This fix is included in the last library version (0.5.17).

Update to use it:

pip install -U ta