diff --git a/Telegram/SourceFiles/statistics/statistics_common.h b/Telegram/SourceFiles/statistics/statistics_common.h
index 76a3300be3..9d0843d5f0 100644
--- a/Telegram/SourceFiles/statistics/statistics_common.h
+++ b/Telegram/SourceFiles/statistics/statistics_common.h
@@ -17,6 +17,7 @@ struct Limits final {
 enum class ChartViewType {
 	Linear,
 	Stack,
+	DoubleLinear,
 };
 
 } // namespace Statistic
diff --git a/Telegram/SourceFiles/statistics/view/chart_view_factory.cpp b/Telegram/SourceFiles/statistics/view/chart_view_factory.cpp
index e9b9516bdf..f12e89ed10 100644
--- a/Telegram/SourceFiles/statistics/view/chart_view_factory.cpp
+++ b/Telegram/SourceFiles/statistics/view/chart_view_factory.cpp
@@ -16,11 +16,14 @@ namespace Statistic {
 std::unique_ptr<AbstractChartView> CreateChartView(ChartViewType type) {
 	switch (type) {
 	case ChartViewType::Linear: {
-		return std::make_unique<LinearChartView>();
+		return std::make_unique<LinearChartView>(false);
 	} break;
 	case ChartViewType::Stack: {
 		return std::make_unique<StackChartView>();
 	} break;
+	case ChartViewType::DoubleLinear: {
+		return std::make_unique<LinearChartView>(true);
+	} break;
 	default: Unexpected("Type in Statistic::CreateChartView.");
 	}
 }
diff --git a/Telegram/SourceFiles/statistics/view/linear_chart_view.cpp b/Telegram/SourceFiles/statistics/view/linear_chart_view.cpp
index fdad065c16..f8c5bc2bd5 100644
--- a/Telegram/SourceFiles/statistics/view/linear_chart_view.cpp
+++ b/Telegram/SourceFiles/statistics/view/linear_chart_view.cpp
@@ -55,7 +55,9 @@ void PaintChartLine(
 
 } // namespace
 
-LinearChartView::LinearChartView() = default;
+LinearChartView::LinearChartView(bool isDouble)
+: _isDouble(isDouble) {
+}
 
 LinearChartView::~LinearChartView() = default;
 
diff --git a/Telegram/SourceFiles/statistics/view/linear_chart_view.h b/Telegram/SourceFiles/statistics/view/linear_chart_view.h
index 0a4c40800b..54be49e358 100644
--- a/Telegram/SourceFiles/statistics/view/linear_chart_view.h
+++ b/Telegram/SourceFiles/statistics/view/linear_chart_view.h
@@ -20,7 +20,7 @@ struct Limits;
 
 class LinearChartView final : public AbstractChartView {
 public:
-	LinearChartView();
+	LinearChartView(bool isDouble);
 	~LinearChartView() override final;
 
 	void paint(
@@ -59,6 +59,8 @@ public:
 	void tick(crl::time now) override;
 
 private:
+	const bool _isDouble;
+
 	struct CacheToken final {
 		explicit CacheToken() = default;
 		explicit CacheToken(