diff --git a/.gitignore b/.gitignore
index 1f5aac2..7716b5d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,6 @@
 venv/
 tax-reports
 tax-reports.old
+# Ignore other files
+*.pyc
+.DS_Store
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..f9d949b
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,11 @@
+{
+	"python.testing.unittestArgs": [
+		"-v",
+		"-s",
+		"./tests",
+		"-p",
+		"*_test.py"
+	],
+	"python.testing.unittestEnabled": true,
+	"python.testing.pytestEnabled": false
+}
\ No newline at end of file
diff --git a/tastytradehelper.py b/tastytradehelper.py
new file mode 100644
index 0000000..6a383d0
--- /dev/null
+++ b/tastytradehelper.py
@@ -0,0 +1,19 @@
+class TastytradeHelper:
+	CASH_SETTLED_SYMBOLS = ["SPXW", "SPX", "VIXW"]
+
+	"""
+	Helper class for Tastytrade data processing.
+	"""
+	@staticmethod
+	def is_symbol_cash_settled(symbol: str) -> bool:
+		"""
+		Check if the given symbol is cash settled.
+		
+		Args:
+			symbol (str): The symbol to check.
+		
+		Returns:
+			bool: True if the symbol is cash settled, False otherwise.
+		"""
+		core_symbol = symbol.split()[0]
+		return any(core_symbol.startswith(prefix) for prefix in TastytradeHelper.CASH_SETTLED_SYMBOLS)
\ No newline at end of file
diff --git a/tests/tastytradehelper_test.py b/tests/tastytradehelper_test.py
new file mode 100644
index 0000000..8dda64f
--- /dev/null
+++ b/tests/tastytradehelper_test.py
@@ -0,0 +1,17 @@
+import os
+import unittest
+
+from tastytradehelper import TastytradeHelper
+
+class TastytradeHelperTests(unittest.TestCase):
+    def setUp(self):
+        pass
+   
+    def test_is_cash_settled(self):
+        # Test with basic cash settled symbols
+        self.assertTrue(TastytradeHelper.is_symbol_cash_settled("SPX"))
+        self.assertTrue(TastytradeHelper.is_symbol_cash_settled("VIXW"))
+        # Test with cash settled option symbol
+        self.assertTrue(TastytradeHelper.is_symbol_cash_settled("SPXW  240919C05710000"))
+        # Test with non-cash settled symbol AAPL
+        self.assertFalse(TastytradeHelper.is_symbol_cash_settled("AAPL"))
\ No newline at end of file
diff --git a/tw-pnl.py b/tw-pnl.py
index d972883..f6f57b1 100755
--- a/tw-pnl.py
+++ b/tw-pnl.py
@@ -37,6 +37,7 @@
 import math
 import datetime as pydatetime
 import pandas
+from tastytradehelper import TastytradeHelper
 
 convert_currency: bool = True
 
@@ -1112,11 +1113,11 @@ def check(all_wk, output_summary, output_csv, output_excel, tax_output, show, ve
                     ratio = int(ratio)
                 #print(symbol, quantity, oldquantity, ratio)
                 fifos_split(fifos, symbol, ratio)
-        elif tcode == 'Receive Deliver' and tsubcode in ('Exercise', 'Assignment') and symbol == 'SPX':
+        elif tcode == 'Receive Deliver' and tsubcode in ('Exercise', 'Assignment') and TastytradeHelper.is_symbol_cash_settled(symbol):
             # SPX Options already have a "Cash Settled Exercise/Assignment" tsubcode that handels all
             # trade relevant data. So we just delete this Exercise/Assignment line altogether.
             # XXX Add a check there is no relevant transaction data included here.
-            pass
+            continue
         else:
             asset = symbol
             if not isnan(expire):