diff --git a/MtApi5/MqlRates.cs b/MtApi5/MqlRates.cs
index e18537ee..3517492b 100755
--- a/MtApi5/MqlRates.cs
+++ b/MtApi5/MqlRates.cs
@@ -1,7 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 
 namespace MtApi5
 {
@@ -19,13 +16,17 @@ public MqlRates(DateTime time, double open, double high, double low, double clos
             this.real_volume = real_volume;
         }
 
-        public DateTime time { get; private set; }         // Period start time
-        public double open { get; private set; }         // Open price
-        public double high { get; private set; }         // The highest price of the period
-        public double low { get; private set; }          // The lowest price of the period
-        public double close { get; private set; }        // Close price
-        public long tick_volume { get; private set; }  // Tick volume
-        public int spread { get; private set; }       // Spread
-        public long real_volume { get; private set; }  // Trade volume
+        public MqlRates()
+        {
+        }
+
+        public DateTime time { get; set; }         // Period start time
+        public double open { get; set; }         // Open price
+        public double high { get; set; }         // The highest price of the period
+        public double low { get; set; }          // The lowest price of the period
+        public double close { get; set; }        // Close price
+        public long tick_volume { get; set; }  // Tick volume
+        public int spread { get; set; }       // Spread
+        public long real_volume { get; set; }  // Trade volume
     }
 }