diff --git a/package.json b/package.json
index f2d059f..0094da8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "med-plan-assistant",
-  "version": "0.2.2",
+  "version": "0.2.3",
   "private": true,
   "dependencies": {
     "@radix-ui/react-label": "^2.1.8",
diff --git a/src/components/simulation-chart.tsx b/src/components/simulation-chart.tsx
index d9e67cb..07fdff0 100644
--- a/src/components/simulation-chart.tsx
+++ b/src/components/simulation-chart.tsx
@@ -156,51 +156,72 @@ const SimulationChart = ({
     return ticks;
   }, [totalHours, xTickInterval]);
 
-  const chartDomain = React.useMemo(() => {
-    const numMin = parseFloat(yAxisMin);
-    const numMax = parseFloat(yAxisMax);
+const chartDomain = React.useMemo(() => {
+  const numMin = parseFloat(yAxisMin);
+  const numMax = parseFloat(yAxisMax);
 
-    // Calculate actual data range if auto is needed
-    let dataMin = Infinity;
-    let dataMax = -Infinity;
+  // Calculate actual data range if auto is needed
+  let dataMin = Infinity;
+  let dataMax = -Infinity;
 
-    if (isNaN(numMin) || isNaN(numMax)) {
-      // Scan through combined profile data to find actual min/max
-      combinedProfile?.forEach((point: any) => {
-        if (chartView === 'damph' || chartView === 'both') {
-          dataMin = Math.min(dataMin, point.damph);
-          dataMax = Math.max(dataMax, point.damph);
-        }
-        if (chartView === 'ldx' || chartView === 'both') {
-          dataMin = Math.min(dataMin, point.ldx);
-          dataMax = Math.max(dataMax, point.ldx);
-        }
-      });
+  if (isNaN(numMin) || isNaN(numMax)) {
+    // Scan through combined profile data to find actual min/max
+    combinedProfile?.forEach((point: any) => {
+      if (chartView === 'damph' || chartView === 'both') {
+        dataMin = Math.min(dataMin, point.damph);
+        dataMax = Math.max(dataMax, point.damph);
+      }
+      if (chartView === 'ldx' || chartView === 'both') {
+        dataMin = Math.min(dataMin, point.ldx);
+        dataMax = Math.max(dataMax, point.ldx);
+      }
+    });
 
-      // Also check template profile if shown
-      templateProfile?.forEach((point: any) => {
-        if (chartView === 'damph' || chartView === 'both') {
-          dataMin = Math.min(dataMin, point.damph);
-          dataMax = Math.max(dataMax, point.damph);
-        }
-        if (chartView === 'ldx' || chartView === 'both') {
-          dataMin = Math.min(dataMin, point.ldx);
-          dataMax = Math.max(dataMax, point.ldx);
-        }
-      });
+    // Also check template profile if shown
+    templateProfile?.forEach((point: any) => {
+      if (chartView === 'damph' || chartView === 'both') {
+        dataMin = Math.min(dataMin, point.damph);
+        dataMax = Math.max(dataMax, point.damph);
+      }
+      if (chartView === 'ldx' || chartView === 'both') {
+        dataMin = Math.min(dataMin, point.ldx);
+        dataMax = Math.max(dataMax, point.ldx);
+      }
+    });
+  }
 
-      // Add small padding (5% on each side) for better visualization
-      const range = dataMax - dataMin;
-      const padding = range * 0.05;
-      dataMin = Math.max(0, dataMin - padding); // Don't go below 0
-      dataMax = dataMax + padding;
-    }
+  // Calculate final domain min
+  let domainMin: number;
+  if (!isNaN(numMin)) { // max value provided via settings
+    // User set yAxisMin explicitly
+    domainMin = numMin;
+  } else if (dataMin !== Infinity) { // data exists
+    // Auto mode: add 5% padding below so the line is not flush with x-axis
+    const range = dataMax - dataMin;
+    const padding = range * 0.05;
+    domainMin = Math.max(0, dataMin - padding);
+  } else { // no data
+    domainMin = 0;
+  }
 
-    const domainMin = !isNaN(numMin) ? numMin : (dataMin !== Infinity ? Math.floor(dataMin) : 0);
-    const domainMax = !isNaN(numMax) ? numMax : (dataMax !== -Infinity ? Math.ceil(dataMax) : 100);
+  // Calculate final domain max
+  let domainMax: number;
+  if (!isNaN(numMax)) { // max value provided via settings
+    // User set yAxisMax explicitly - use it as-is without padding
+    domainMax = numMax;
+  } else if (dataMax !== -Infinity) { // data exists
+    // No padding needed since it seems to be added automatically by Recharts
+    // // Auto mode: add 5% padding above
+    // const range = dataMax - dataMin;
+    // const padding = range * 0.05;
+    // domainMax = dataMax + padding;
+    domainMax = dataMax;
+  } else { // no data
+    domainMax = 100;
+  }
 
-    return [domainMin, domainMax];
-  }, [yAxisMin, yAxisMax, combinedProfile, templateProfile, chartView]);
+  return [domainMin, domainMax];
+}, [yAxisMin, yAxisMax, combinedProfile, templateProfile, chartView]);
 
   // Check which days have deviations (differ from template)
   const daysWithDeviations = React.useMemo(() => {