diff --git a/freqtrade/optimize/hyperopt_interface.py b/freqtrade/optimize/hyperopt_interface.py
index 1bb471b9c..889854cad 100644
--- a/freqtrade/optimize/hyperopt_interface.py
+++ b/freqtrade/optimize/hyperopt_interface.py
@@ -140,7 +140,7 @@ class IHyperOpt(ABC):
             'roi_p2': roi_limits['roi_p2_min'],
             'roi_p3': roi_limits['roi_p3_min'],
         }
-        logger.info(f"Min roi table: {round_dict(self.generate_roi_table(p), 5)}")
+        logger.info(f"Min roi table: {round_dict(self.generate_roi_table(p), 3)}")
         p = {
             'roi_t1': roi_limits['roi_t1_max'],
             'roi_t2': roi_limits['roi_t2_max'],
@@ -149,17 +149,17 @@ class IHyperOpt(ABC):
             'roi_p2': roi_limits['roi_p2_max'],
             'roi_p3': roi_limits['roi_p3_max'],
         }
-        logger.info(f"Max roi table: {round_dict(self.generate_roi_table(p), 5)}")
+        logger.info(f"Max roi table: {round_dict(self.generate_roi_table(p), 3)}")
 
         return [
             Integer(roi_limits['roi_t1_min'], roi_limits['roi_t1_max'], name='roi_t1'),
             Integer(roi_limits['roi_t2_min'], roi_limits['roi_t2_max'], name='roi_t2'),
             Integer(roi_limits['roi_t3_min'], roi_limits['roi_t3_max'], name='roi_t3'),
-            SKDecimal(roi_limits['roi_p1_min'], roi_limits['roi_p1_max'], decimals=5,
+            SKDecimal(roi_limits['roi_p1_min'], roi_limits['roi_p1_max'], decimals=3,
                       name='roi_p1'),
-            SKDecimal(roi_limits['roi_p2_min'], roi_limits['roi_p2_max'], decimals=5,
+            SKDecimal(roi_limits['roi_p2_min'], roi_limits['roi_p2_max'], decimals=3,
                       name='roi_p2'),
-            SKDecimal(roi_limits['roi_p3_min'], roi_limits['roi_p3_max'], decimals=5,
+            SKDecimal(roi_limits['roi_p3_min'], roi_limits['roi_p3_max'], decimals=3,
                       name='roi_p3'),
         ]
 
diff --git a/freqtrade/optimize/space/decimalspace.py b/freqtrade/optimize/space/decimalspace.py
index f5370b6d6..643999cc1 100644
--- a/freqtrade/optimize/space/decimalspace.py
+++ b/freqtrade/optimize/space/decimalspace.py
@@ -9,8 +9,9 @@ class SKDecimal(Integer):
         self.decimals = decimals
         _low = int(low * pow(10, self.decimals))
         _high = int(high * pow(10, self.decimals))
-        self.low_orig = low
-        self.high_orig = high
+        # trunc to precision to avoid points out of space
+        self.low_orig = round(_low * pow(0.1, self.decimals), self.decimals)
+        self.high_orig = round(_high * pow(0.1, self.decimals), self.decimals)
 
         super().__init__(_low, _high, prior, base, transform, name, dtype)