From 88886d39d0c9d2eacb00dec8c59461e2656a6009 Mon Sep 17 00:00:00 2001
From: wassaf shahzad <wassafshahzad@gmail.com>
Date: Mon, 1 Sep 2025 23:48:44 +0200
Subject: [PATCH] Histogram: Fix Tooltip placement issue (#110368)

Co-authored-by: Leon Sorokin <leeoniya@gmail.com>
---
 public/app/plugins/panel/histogram/Histogram.tsx | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/public/app/plugins/panel/histogram/Histogram.tsx b/public/app/plugins/panel/histogram/Histogram.tsx
index 3225018263a..65a52d53a1e 100644
--- a/public/app/plugins/panel/histogram/Histogram.tsx
+++ b/public/app/plugins/panel/histogram/Histogram.tsx
@@ -204,6 +204,12 @@ const prepConfig = (frame: DataFrame, theme: GrafanaTheme2) => {
       y: false,
       setScale: true,
     },
+    dataIdx: (u, _, closestIdx, xValue) =>
+      isOrdinalX ? Math.floor(xValue) : xValue < u.data[0][closestIdx] ? closestIdx - 1 : closestIdx,
+    focus: {
+      prox: 1e6,
+      bias: 1,
+    },
   });
 
   let stackingGroups = getStackingGroups(xMinOnlyFrame(frame));