diff --git a/site/src/components/ActivityCharts.svelte b/site/src/components/ActivityCharts.svelte
index a251c5b..7e82b63 100644
--- a/site/src/components/ActivityCharts.svelte
+++ b/site/src/components/ActivityCharts.svelte
@@ -355,11 +355,15 @@
     );
 
     if (isSlope) {
+      const nearTop = (d: any) => {
+        const range = lineDomainMax - lineDomainMin;
+        return range > 0 && (d[yKey] - lineDomainMin) / range > 0.85;
+      };
       marks.push(
         Plot.text(lineData, Plot.pointerX({
           x, y: yKey,
           text: (d: any) => d.slope != null ? `${d.slope > 0.05 ? '+' : ''}${(+d.slope).toFixed(1)}%` : '',
-          dy: -22,
+          dy: (d: any) => nearTop(d) ? 22 : -22,
           fill: (d: any) => slopeColor(d.slope ?? 0),
           stroke: tc.tooltipBg, strokeWidth: 3,
           fontSize: 11, fontWeight: '700',
@@ -367,7 +371,7 @@
         Plot.text(lineData, Plot.pointerX({
           x, y: yKey,
           text: (d: any) => d[yKey] != null ? `${Math.round(d[yKey])}m` : '',
-          dy: -10,
+          dy: (d: any) => nearTop(d) ? 10 : -10,
           fill: tc.axis, stroke: tc.tooltipBg, strokeWidth: 3,
           fontSize: 10,
         })),