Hello datadoge,
Thanks for contacting us with your question.
Unfortunatelly it is not possible to disable sticky tracking in boost module. This is known boost module limitation and you can read about it in API:
Note: The boost module will force this option because of technical limitations.
API reference: https://api.highcharts.com/highcharts/s ... kyTracking
Related GH issue with additional informations:
https://github.com/highcharts/highcharts/issues/9882
Let me know if you have any further questions.
Best regards!