Description: Currently, Power BI treats the primary and secondary Y‑axes as fully independent scales. This often results in misaligned visuals where one measure extends beyond the visible range of the other, depending on which axis has the larger values. As a result, important data points can disappear from view unless users manually adjust axis ranges or build complex DAX measures to force alignment. I would like to propose a simple toggle option in the formatting pane: Secondary Y‑Axis → “Align with primary Y‑axis” (On/Off) What this toggle should do: Automatically synchronize the min/max scale of the secondary Y‑axis with the primary Y‑axis Ensure that the highest value—regardless of whether it comes from the primary or secondary measure—remains visible Remove the need for custom DAX measures that artificially scale values just to achieve alignment Reduce unnecessary model complexity and improve performance by avoiding additional calculated measures Provide a more intuitive and consistent visual experience for end users Why this matters: Many common scenarios (e.g., comparing MTD vs. MTD PY, actual vs. forecast, revenue vs. cost) require both lines to be visually aligned Excel already supports synchronized axes, so users expect similar functionality in Power BI Manual axis configuration is not dynamic and breaks when slicers or filters change A simple toggle would dramatically improve usability without compromising flexibility This feature would make dual‑axis visuals more reliable, easier to interpret, and significantly more user‑friendly. Thank you for considering this improvement — it would be a highly impactful addition to Power BI.
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