diff --git a/src/DataManipulator.ts b/src/DataManipulator.ts
index 7f622955cc..82e917fe1d 100644
--- a/src/DataManipulator.ts
+++ b/src/DataManipulator.ts
@@ -1,20 +1,30 @@
 import { ServerRespond } from './DataStreamer';
 
 export interface Row {
-  stock: string,
-  top_ask_price: number,
+  price_abc: number, 
+  price_def: number,
+  ratio: number
   timestamp: Date,
+  upper_bound: number,
+  lower_bound:number,
+  trigger_alert: number,
 }
 
 
 export class DataManipulator {
-  static generateRow(serverResponds: ServerRespond[]) {
-    return serverResponds.map((el: any) => {
-      return {
-        stock: el.stock,
-        top_ask_price: el.top_ask && el.top_ask.price || 0,
-        timestamp: el.timestamp,
-      };
-    })
-  }
+  static generateRow(serverResponds: ServerRespond[]): Row {
+    const priceABC =(serverRespound[0].top_ask.price + serverRespound[0].top_bird.price)/2;
+    const priceDEF =(serverRespound[1].top_ask.price + serverRespound[1].top_bird.price)/2;
+    const upperBound = 1 + 0.05;
+    const lowerBound = 1 - 0.05;
+    return {
+      price_abc: priceABC,
+      Price_def: priceDEF,
+      ratio,
+      timestamp: serverRespound[0].timestamp > serverRespound[1].timestamp ?
+        serverRespound[0].timestamp : serverRespound[1].timestamp,
+      upper_bound:upperBound,
+      lower_bound:lowerBound,
+      trigger_alert : (ratio > upperBound || ratio < LowerBound) ? ratio : undefined ,
+  };
 }