diff --git a/CertReports.Syncfusion/Services/Implementations/FundDataService.cs b/CertReports.Syncfusion/Services/Implementations/FundDataService.cs
index d05628b..d5e0fa7 100644
--- a/CertReports.Syncfusion/Services/Implementations/FundDataService.cs
+++ b/CertReports.Syncfusion/Services/Implementations/FundDataService.cs
@@ -66,6 +66,7 @@ public class FundDataService : IFundDataService
             _logger.LogError(ex, "Errore GetChartPricesAsync per ISIN {Isin}", isin);
             throw;
         }
+        points.Sort((a, b) => a.Date.CompareTo(b.Date));
         return points;
     }
 
diff --git a/CertReports.Syncfusion/Services/Implementations/FundSkiaChartRenderer.cs b/CertReports.Syncfusion/Services/Implementations/FundSkiaChartRenderer.cs
index 57d0f84..4e8383f 100644
--- a/CertReports.Syncfusion/Services/Implementations/FundSkiaChartRenderer.cs
+++ b/CertReports.Syncfusion/Services/Implementations/FundSkiaChartRenderer.cs
@@ -130,9 +130,9 @@ public static class FundSkiaChartRenderer
         var axisLabelFont = new SKFont(SKTypeface.Default, 10f);
 
         // Y grid (5 horizontal lines)
-        for (int i = 0; i <= 5; i++)
+        for (int i = 0; i < 5; i++)
         {
-            decimal price = yMin + (yMax - yMin) * i / 5;
+            decimal price = yMin + (yMax - yMin) * i / 4;
             float py = PriceToY(price, yMin, yMax, plotY, plotH);
             canvas.DrawLine(plotX, py, plotX + plotW, py, i == 0 ? axisPaint : gridPaint);
             canvas.DrawText($"{price:F2}", plotX - 5f, py + 4f,