diff --git a/implot.h b/implot.h
index db4d2fb..9f0230c 100644
--- a/implot.h
+++ b/implot.h
@@ -406,7 +406,7 @@ template <typename T> IMPLOT_API void PlotStairs(const char* label_id, const T*
 template <typename T> IMPLOT_API void PlotStairs(const char* label_id, const T* xs, const T* ys, int count, int offset=0, int stride=sizeof(T));
                       IMPLOT_API void PlotStairsG(const char* label_id, ImPlotPoint (*getter)(void* data, int idx), void* data, int count, int offset=0);
 
-// Plots a shaded (filled) region between two lines, or a line and a horizontal reference.
+// Plots a shaded (filled) region between two lines, or a line and a horizontal reference. Set y_ref to +/-INFINITY for infinite fill extents.
 template <typename T> IMPLOT_API void PlotShaded(const char* label_id, const T* values, int count, double y_ref=0, double xscale=1, double x0=0, int offset=0, int stride=sizeof(T));
 template <typename T> IMPLOT_API void PlotShaded(const char* label_id, const T* xs, const T* ys, int count, double y_ref=0, int offset=0, int stride=sizeof(T));
 template <typename T> IMPLOT_API void PlotShaded(const char* label_id, const T* xs, const T* ys1, const T* ys2, int count, int offset=0, int stride=sizeof(T));
diff --git a/implot_demo.cpp b/implot_demo.cpp
index 30ac942..55e20aa 100644
--- a/implot_demo.cpp
+++ b/implot_demo.cpp
@@ -264,17 +264,34 @@ void ShowDemoWindow(bool* p_open) {
         static bool show_lines = true;
         static bool show_fills = true;
         static float fill_ref = 0;
+        static int shade_mode = 0;
         ImGui::Checkbox("Lines",&show_lines); ImGui::SameLine();
         ImGui::Checkbox("Fills",&show_fills);
-        ImGui::DragFloat("Reference",&fill_ref, 1, -100, 500);
+        if (show_fills) {
+            ImGui::SameLine();
+            if (ImGui::RadioButton("To -INF",shade_mode == 0)) 
+                shade_mode = 0;
+            ImGui::SameLine();
+            if (ImGui::RadioButton("To +INF",shade_mode == 1)) 
+                shade_mode = 1;
+            ImGui::SameLine();
+            if (ImGui::RadioButton("To Ref",shade_mode == 2)) 
+                shade_mode = 2;
+            if (shade_mode == 2) {
+                ImGui::SameLine();
+                ImGui::SetNextItemWidth(100);
+                ImGui::DragFloat("##Ref",&fill_ref, 1, -100, 500);
+            }
+        }
+
 
         ImPlot::SetNextPlotLimits(0,100,0,500);
         if (ImPlot::BeginPlot("Stock Prices", "Days", "Price")) {
             if (show_fills) {
                 ImPlot::PushStyleVar(ImPlotStyleVar_FillAlpha, 0.25f);
-                ImPlot::PlotShaded("Stock 1", xs1, ys1, 101, fill_ref);
-                ImPlot::PlotShaded("Stock 2", xs1, ys2, 101, fill_ref);
-                ImPlot::PlotShaded("Stock 3", xs1, ys3, 101, fill_ref);
+                ImPlot::PlotShaded("Stock 1", xs1, ys1, 101, shade_mode == 0 ? -INFINITY : shade_mode == 1 ? INFINITY : fill_ref);
+                ImPlot::PlotShaded("Stock 2", xs1, ys2, 101, shade_mode == 0 ? -INFINITY : shade_mode == 1 ? INFINITY : fill_ref);
+                ImPlot::PlotShaded("Stock 3", xs1, ys3, 101, shade_mode == 0 ? -INFINITY : shade_mode == 1 ? INFINITY : fill_ref);
                 ImPlot::PopStyleVar();
             }
             if (show_lines) {
diff --git a/implot_items.cpp b/implot_items.cpp
index 74630e2..2e9840f 100644
--- a/implot_items.cpp
+++ b/implot_items.cpp
@@ -1120,14 +1120,14 @@ void PlotStairsG(const char* label_id, ImPlotPoint (*getter_func)(void* data, in
 //-----------------------------------------------------------------------------
 
 template <typename Getter1, typename Getter2>
-inline void PlotShadedEx(const char* label_id, const Getter1& getter1, const Getter2& getter2) {
+inline void PlotShadedEx(const char* label_id, const Getter1& getter1, const Getter2& getter2, bool fit2) {
     if (BeginItem(label_id, ImPlotCol_Fill)) {
         if (FitThisFrame()) {
-            for (int i = 0; i < ImMin(getter1.Count, getter2.Count); ++i) {
-                ImPlotPoint p1 = getter1(i);
-                ImPlotPoint p2 = getter2(i);
-                FitPoint(p1);
-                FitPoint(p2);
+            for (int i = 0; i < getter1.Count; ++i) 
+                FitPoint(getter1(i));            
+            if (fit2) {
+                for (int i = 0; i < getter2.Count; ++i) 
+                    FitPoint(getter2(i));                
             }
         }
         const ImPlotNextItemData& s = GetItemData();
@@ -1147,9 +1147,18 @@ inline void PlotShadedEx(const char* label_id, const Getter1& getter1, const Get
 
 template <typename T>
 void PlotShaded(const char* label_id, const T* values, int count, double y_ref, double xscale, double x0, int offset, int stride) {
+    bool fit2 = true;
+    if (y_ref == -HUGE_VAL) {
+        fit2 = false;    
+        y_ref = GetPlotLimits().Y.Min;
+    }
+    if (y_ref == HUGE_VAL) {
+        fit2 = false;
+        y_ref = GetPlotLimits().Y.Max;
+    }
     GetterYs<T> getter1(values,count,xscale,x0,offset,stride);
     GetterYRef getter2(y_ref,count,xscale,x0);
-    PlotShadedEx(label_id, getter1, getter2);
+    PlotShadedEx(label_id, getter1, getter2, fit2);
 }
 
 template IMPLOT_API void PlotShaded<ImS8>(const char* label_id, const ImS8* values, int count, double y_ref, double xscale, double x0, int offset, int stride);
@@ -1165,9 +1174,18 @@ template IMPLOT_API void PlotShaded<double>(const char* label_id, const double*
 
 template <typename T>
 void PlotShaded(const char* label_id, const T* xs, const T* ys, int count, double y_ref, int offset, int stride) {
+    bool fit2 = true;
+    if (y_ref == -HUGE_VAL) {
+        fit2 = false;    
+        y_ref = GetPlotLimits().Y.Min;
+    }
+    if (y_ref == HUGE_VAL) {
+        fit2 = false;
+        y_ref = GetPlotLimits().Y.Max;
+    }
     GetterXsYs<T> getter1(xs, ys, count, offset, stride);
     GetterXsYRef<T> getter2(xs, y_ref, count, offset, stride);
-    PlotShadedEx(label_id, getter1, getter2);
+    PlotShadedEx(label_id, getter1, getter2, fit2);
 }
 
 template IMPLOT_API void PlotShaded<ImS8>(const char* label_id, const ImS8* xs, const ImS8* ys, int count, double y_ref, int offset, int stride);
@@ -1185,7 +1203,7 @@ template <typename T>
 void PlotShaded(const char* label_id, const T* xs, const T* ys1, const T* ys2, int count, int offset, int stride) {
     GetterXsYs<T> getter1(xs, ys1, count, offset, stride);
     GetterXsYs<T> getter2(xs, ys2, count, offset, stride);
-    PlotShadedEx(label_id, getter1, getter2);
+    PlotShadedEx(label_id, getter1, getter2, true);
 }
 
 template IMPLOT_API void PlotShaded<ImS8>(const char* label_id, const ImS8* xs, const ImS8* ys1, const ImS8* ys2, int count, int offset, int stride);
@@ -1203,7 +1221,7 @@ template IMPLOT_API void PlotShaded<double>(const char* label_id, const double*
 void PlotShadedG(const char* label_id, ImPlotPoint (*g1)(void* data, int idx), void* data1, ImPlotPoint (*g2)(void* data, int idx), void* data2, int count, int offset) {
     GetterFuncPtr getter1(g1, data1, count, offset);
     GetterFuncPtr getter2(g2, data2, count, offset);
-    PlotShadedEx(label_id, getter1, getter2);
+    PlotShadedEx(label_id, getter1, getter2, true);
 }
 
 //-----------------------------------------------------------------------------