diff --git a/Core/Statistics/Statistics.h b/Core/Statistics/Statistics.h
index 39706d1..bd94346 100644
--- a/Core/Statistics/Statistics.h
+++ b/Core/Statistics/Statistics.h
@@ -80,6 +80,8 @@ public:
     double max{};
     double min{};
     double average{};
+    double smooth{};
+    double variation{};
     double instant{};
     size_t times{};
     bool init{};
@@ -90,6 +92,8 @@ public:
         max = 0.0;
         min = 0.0;
         average = 0.0;
+        smooth = 0.0;
+        variation = 0.0;
         instant = 0.0;
         times = 0;
         init = false;
@@ -99,25 +103,33 @@ public:
         Ret_J(max)
         Ret_J(min)
         Ret_J(average)
+        Ret_J(smooth)
+        Ret_J(variation)
         Ret_J(instant)
         return ret;
     }
     [[nodiscard]] std::string to_string() const {
-        return VAR_STR_5(min, max, average, instant, times);
+        return VAR_STR_7(min, max, average, smooth, variation, instant, times);
     }
     void update(double value) {
         constexpr double average_times = 10.0;
+        constexpr double smooth_gain = 0.125;
+        constexpr double variation_gain = 0.25;
         instant = value;
         if (!init) {
             max = value;
             min = value;
             average = value;
+            smooth = value;
+            variation = 0.0;
             init = true;
-        }
-        else {
+        } else {
+            double deviation = std::abs(value - smooth);
             max = std::max(max, value);
             min = std::min(min, value);
             average = average * (average_times - 1.0) / average_times + instant / average_times;
+            variation = variation * (1.0 - variation_gain) + deviation * variation_gain;
+            smooth = smooth * (1.0 - smooth_gain) + value * smooth_gain;
         }
         ++times;
     }