diff --git a/finance/tests/test_recurrence.py b/finance/tests/test_recurrence.py
index 0ed711c..f306dcd 100644
--- a/finance/tests/test_recurrence.py
+++ b/finance/tests/test_recurrence.py
@@ -17,3 +17,13 @@ def test_quarterly_respects_item_bounds():
 def test_yearly():
     got = occurrences("yearly", 1, date(2026, 1, 1), date(2028, 12, 31))
     assert got == [date(2026, 1, 1), date(2027, 1, 1), date(2028, 1, 1)]
+
+
+def test_monthly_leap_year_clamping():
+    got = occurrences("monthly", 31, date(2028, 1, 1), date(2028, 3, 31))
+    assert got == [date(2028, 1, 31), date(2028, 2, 29), date(2028, 3, 31)]
+
+
+def test_quarterly_clamping():
+    got = occurrences("quarterly", 31, date(2026, 1, 1), date(2026, 12, 31))
+    assert got == [date(2026, 1, 31), date(2026, 4, 30), date(2026, 7, 31), date(2026, 10, 31)]