Can Anyone suggest why my ahref data is showing a big fluctuation in ahref rank

[rinki]

Can Anyone suggest why my ahref data is showing a big fluctuation in ahref rank & DR while UR & DA is still same.

Need Help.

[Lishmalinyjames]

Ahrefs is the most accurate, underestimating total traffic for all sites by 17% (11.1m estimated visits compared to 13.4m actual visits), and on average underestimating traffic by 36% percent.