diff --git a/src/javascript/app_2/Stores/Modules/Trading/Helpers/duration.js b/src/javascript/app_2/Stores/Modules/Trading/Helpers/duration.js
index 0be0674c46040..6fb656de728dc 100644
--- a/src/javascript/app_2/Stores/Modules/Trading/Helpers/duration.js
+++ b/src/javascript/app_2/Stores/Modules/Trading/Helpers/duration.js
@@ -113,3 +113,14 @@ export const convertDurationLimit = (value, unit) => {
 export const hasIntradayDurationUnit = (duration_units_list) => (
     duration_units_list.some(unit => ['m', 'h'].indexOf(unit.value) !== -1)
 );
+
+/**
+ * On switching symbols, end_time value of volatility indices should be set to today
+ *
+ * @param {String} symbol
+ * @param {String} expiry_type
+ * @returns {*}
+ */
+export const resetEndTimeOnVolatilityIndices = (symbol, expiry_type) => (
+    (/^R_/.test(symbol) && expiry_type === 'endtime') ? toMoment(null).format('DD MMM YYYY') : null
+);
diff --git a/src/javascript/app_2/Stores/Modules/Trading/trade-store.js b/src/javascript/app_2/Stores/Modules/Trading/trade-store.js
index 95f93f66a055b..632857c8f9b64 100644
--- a/src/javascript/app_2/Stores/Modules/Trading/trade-store.js
+++ b/src/javascript/app_2/Stores/Modules/Trading/trade-store.js
@@ -25,7 +25,9 @@ import getValidationRules                from './Constants/validation-rules';
 import { isRiseFallEqual }               from './Helpers/allow-equals';
 import { setChartBarrier }               from './Helpers/chart';
 import ContractType                      from './Helpers/contract-type';
-import { convertDurationLimit }          from './Helpers/duration';
+import {
+    convertDurationLimit,
+    resetEndTimeOnVolatilityIndices }    from './Helpers/duration';
 import { processTradeParams }            from './Helpers/process';
 import {
     createProposalRequests,
@@ -145,6 +147,16 @@ export default class TradeStore extends BaseStore {
                 this.onAllowEqualsChange();
             },
         );
+
+        reaction(
+            () => this.symbol,
+            () => {
+                const date = resetEndTimeOnVolatilityIndices(this.symbol, this.expiry_type);
+                if (date) {
+                    this.expiry_date = date;
+                }
+            }
+        );
     }
 
     @action.bound