diff --git a/ynab/transactions.go b/ynab/transactions.go
index c63a142..07222d4 100644
--- a/ynab/transactions.go
+++ b/ynab/transactions.go
@@ -93,6 +93,7 @@ func (c *Client) createTodayYNABCapitalGainsTransaction(accountID string, amount
 	transaction.Transaction.Cleared = "cleared"
 	transaction.Transaction.Approved = true
 	transaction.Transaction.PayeeName = "Capital Gains or Losses"
+	transaction.Transaction.Memo = fmt.Sprintf("Quoted at: %s", time.Now().Format("2006-01-02 15:04:05"))
 
 	response := &Transaction{}
 
@@ -113,6 +114,7 @@ func (c *Client) updateTodayYNABCapitalGainsTransaction(accountID string, transa
 	transaction.Transaction.Cleared = "cleared"
 	transaction.Transaction.Approved = true
 	transaction.Transaction.PayeeName = "Capital Gains or Losses"
+	transaction.Transaction.Memo = fmt.Sprintf("Quoted at: %s", time.Now().Format("2006-01-02 15:04:05"))
 
 	response := &Transaction{}