diff --git a/backend/core/views.py b/backend/core/views.py
index ac29451..212a5bc 100644
--- a/backend/core/views.py
+++ b/backend/core/views.py
@@ -34,10 +34,10 @@ def random_data():
     ]
 
     positive = [[1, random.randrange(8, 28)] for i in range(1, 28)]
-    negative = [[-1, -random.randrange(8, 28)] for i in range(1, 28)]
+    negative = [[-1, -positive[i -1][1]] for i in range(1, 28)]
     average = [r[1] - random.randint(3, 5) for r in positive]
     performance_positive = [[1, random.randrange(8, 28)] for i in range(1, 28)]
-    performance_negative = [[-1, -random.randrange(8, 28)] for i in range(1, 28)]
+    performance_negative = [[-1, -performance_positive[i - 1][1]] for i in range(1, 28)]
 
     response =  {
         "navigation": [