diff --git a/src/main/java/Model/TransactionFactory.java b/src/main/java/Model/TransactionFactory.java
new file mode 100644
index 0000000..a3b8c9a
--- /dev/null
+++ b/src/main/java/Model/TransactionFactory.java
@@ -0,0 +1,22 @@
+package Model;
+
+/**
+ * Factory for creating transaction objects
+ */
+public class TransactionFactory {
+
+    /**
+     * Create purchase transaction
+     */
+    public static Transaction createPurchase(Share share, int week) {
+        return new Purchase(share, week);
+    }
+
+    /**
+     * Create sale transaction
+     */
+    public static Transaction createSale(Share share, int week) {
+        return new Sale(share, week);
+    }
+    
+}