diff --git a/Documents/BKP/x-121.smc.test.strategy.class.mq5 b/Documents/BKP/x-121.smc.test.strategy.class.mq5
new file mode 100644
index 00000000..9f60be18
Binary files /dev/null and b/Documents/BKP/x-121.smc.test.strategy.class.mq5 differ
diff --git a/X121SMCEA/Libraries/x-121.smc.lib.mq5 b/X121SMCEA/Libraries/x-121.smc.lib.mq5
index 9b1df689..edfe1351 100644
--- a/X121SMCEA/Libraries/x-121.smc.lib.mq5
+++ b/X121SMCEA/Libraries/x-121.smc.lib.mq5
@@ -466,3 +466,188 @@ typedef void (*TOnX121SMCSignal)(
     XSignal &signal,
     X121SMCStrategyConditions &conditions //
 );
+
+//
+struct XRange
+{
+    //
+    string symbol;
+    ENUM_TIMEFRAMES period;
+
+    //
+    double upper;
+    double lower;
+
+    //
+    datetime from;
+    datetime to;
+
+    //
+    void XRange()
+    {
+        Clean();
+    }
+
+    //
+    // Tools ...
+
+    /**
+     * Initial ...
+     *
+     * @param  _symbol: String ...
+     * @param  _period: ENUM_TIMEFRAMES member ...
+     * @param  _upper: Double ...
+     * @param  _lower: Double ...
+     * @param  _from: DateTime ...
+     * @param  _to: DateTime ...
+     *
+     * @return ( bool )
+     */
+    bool Init(
+        string _symbol,
+        ENUM_TIMEFRAMES _period,
+        double _upper,
+        double _lower,
+        datetime _from,
+        datetime _to //
+    )
+    {
+        //
+        bool result = false;
+
+        //
+        result =
+            //
+            IsValid(_symbol) &&
+            IsValid(_period) &&
+            IsValid(_from) &&
+            IsValid(_to) &&
+            _upper > 0 &&
+            _lower > 0 &&
+            _to > _from
+            //
+            ;
+
+        //
+        symbol = _symbol;
+        period = _period;
+
+        //
+        upper = _upper;
+        lower = _lower;
+
+        //
+        from = _from;
+        to = _to;
+
+        //
+        result = IsValid();
+
+        //
+        return result;
+    }
+
+    /**
+     * Cleanup ...
+     */
+    void Clean()
+    {
+        //
+        symbol = NULL;
+        period = NULL;
+
+        //
+        upper = 0;
+        lower = 0;
+
+        //
+        from = NULL;
+        to = NULL;
+    }
+
+    /**
+     * Validate ...
+     *
+     * @return ( bool )
+     */
+    bool IsValid()
+    {
+        //
+        bool result = false;
+
+        //
+        result =
+            //
+            IsValid(symbol) &&
+            IsValid(period) &&
+            IsValid(from) &&
+            IsValid(to) &&
+            upper > 0 &&
+            lower > 0 &&
+            to > from
+            //
+            ;
+
+        //
+        return result;
+    }
+
+    /**
+     * Generate Unique Tag ...
+     *
+     * @return ( string )
+     */
+    string GetTag()
+    {
+        //
+        string result = NULL;
+
+        //
+        string hash =
+            ToString(upper) + "," +
+            ToString(lower) +
+            ToFormatString(from);
+        hash = ToMD5(hash);
+
+        //
+        result =
+            //
+            "XRNG_" + symbol + "_" +
+            ToString(period) + "_" +
+            hash
+            //
+            ;
+
+        //
+        return result;
+    }
+
+    /**
+     * Generate Tooltip ...
+     *
+     * @return ( string )
+     */
+    string GetTooltip()
+    {
+        //
+        string result = NULL;
+
+        //
+        result =
+            //
+            "XRNG" + "\n" +
+            symbol + "\n" +
+            ToString(period) + "\n" +
+            ToString(from) + "\n" +
+            ToString(to)
+            //
+            ;
+
+        //
+        return result;
+    }
+
+    //
+};
+
+//
\ No newline at end of file
diff --git a/X121SMCEA/Strategy/x-121.smc.test.strategy.class.mq5 b/X121SMCEA/Strategy/x-121.smc.test.strategy.class.mq5
index 9f60be18..f40dae94 100644
Binary files a/X121SMCEA/Strategy/x-121.smc.test.strategy.class.mq5 and b/X121SMCEA/Strategy/x-121.smc.test.strategy.class.mq5 differ