Issues with RANKX

Hi, Gombosf , you might want to try this measure

Rank = RANKX(ALLSELECTED(Table1[Name]), [Total_value])

In fact, the mechanism of RANKX() under the hood is way much trickier than it appears. Here are some links for your further study if you're looking to master this most frequently-used function in DAX and to put it in your quiver.

https://docs.microsoft.com/en-us/dax/rankx-function-dax

https://www.sqlbi.com/articles/use-of-rankx-in-power-bi-measures/

Gombosf , Rank is context-sensitive. When you take the table the level of the table where it going to create rank from.

Try a measure like

Ranking_value = RANKX(ALLSelected(Table1[Name]), [Total_value])

refer: https://www.youtube.com/watch?v=DZb_6j6WuZ0

For Rank Refer these links
https://radacad.com/how-to-use-rankx-in-dax-part-2-of-3-calculated-measures
https://radacad.com/how-to-use-rankx-in-dax-part-1-of-3-calculated-columns
https://radacad.com/how-to-use-rankx-in-dax-part-3-of-3-the-finale
https://community.powerbi.com/t5/Community-Blog/Dynamic-TopN-made-easy-with-What-If-Parameter/ba-p/367415