diff --git a/Algorithms/Dynamic Programming/buy_sellStock.cpp b/Algorithms/Dynamic Programming/buy_sellStock.cpp
new file mode 100644
index 00000000..377e7adc
--- /dev/null
+++ b/Algorithms/Dynamic Programming/buy_sellStock.cpp	
@@ -0,0 +1,27 @@
+#include<bits/stdc++.h>
+#include <iostream>
+#include<algorithm>
+using namespace std;
+int main(int argc, char **argv)
+{
+    long long int n;
+    cin>>n;
+    long long int arr[n];
+    for(int i=0;i<n;i++)
+    {
+        cin>>arr[i];
+    }
+	long long int buy1=INT_MAX;
+    long long int buy2=INT_MAX;
+    long long int sell1=0;
+    long long int sell2=0;
+    for(int i=0;i<n;i++)
+    {
+        buy1=min(buy1,arr[i]);
+        sell1=max(sell1,arr[i]-buy1);
+        buy2=min(buy2,arr[i]-sell1);
+        sell2=max(sell2,arr[i]-buy2);
+    }
+    cout<<sell2<<endl;
+	return 0;
+}