Hi @gwizard, @Cherice, @mariemcht, and everyone,
Thank you for reaching out! While we currently don’t plan to support conditional formatting for Period Comparison directly, I recommend using AQL metrics for this purpose.
With AQL, you can create metrics for period comparisons. These metrics are treated as fields in your visualizations, allowing you to apply Conditional Formatting in data tables or customize colors, data labels, and more in other charts.
For more details on using AQL for Period Comparison, check out this documentation: Compare Between Periods | Holistics Docs (4.0)
Hope this helps! 