diff --git a/README.md b/README.md
index 943ef5c126..1eaf607b63 100644
--- a/README.md
+++ b/README.md
@@ -2045,6 +2045,13 @@ code when available. The following financial markets are available:
|
+| Singapore Exchange |
+XSES |
+Singapore Exchange (SGX) market holidays |
+en_SG, en_US, th |
+HALF_DAY |
+
+
| SIX Swiss Exchange |
XSWX |
SIX Swiss Exchange market holidays |
diff --git a/holidays/financial/__init__.py b/holidays/financial/__init__.py
index 64114de8b4..3898f2bf2d 100644
--- a/holidays/financial/__init__.py
+++ b/holidays/financial/__init__.py
@@ -29,5 +29,6 @@
from holidays.financial.ny_stock_exchange import NewYorkStockExchange, XNYS, NYSE
from holidays.financial.shanghai_stock_exchange import ShanghaiStockExchange, XSHG, SSE
from holidays.financial.shenzhen_stock_exchange import ShenzhenStockExchange, XSHE, SZSE
+from holidays.financial.singapore_exchange import SingaporeExchange, XSES, SGX
from holidays.financial.six_swiss_exchange import SIXSwissExchange, XSWX, SIX
from holidays.financial.toronto_stock_exchange import TorontoStockExchange, XTSE, TSX
diff --git a/holidays/financial/singapore_exchange.py b/holidays/financial/singapore_exchange.py
new file mode 100644
index 0000000000..55651573f2
--- /dev/null
+++ b/holidays/financial/singapore_exchange.py
@@ -0,0 +1,61 @@
+# holidays
+# --------
+# A fast, efficient Python library for generating country, province and state
+# specific sets of holidays on the fly. It aims to make determining whether a
+# specific date is a holiday as fast and flexible as possible.
+#
+# Authors: Vacanza Team and individual contributors (see CONTRIBUTORS file)
+# dr-prodigy (c) 2017-2023
+# ryanss (c) 2014-2017
+# Website: https://github.com/vacanza/holidays
+# License: MIT (see LICENSE file)
+
+from gettext import gettext as tr
+
+from holidays.constants import HALF_DAY, PUBLIC
+from holidays.countries.singapore import Singapore
+
+
+class SingaporeExchange(Singapore):
+ """Singapore Exchange (SGX) holidays.
+
+ References:
+ *
+ """
+
+ country = None # type: ignore[assignment]
+ market = "XSES"
+ parent_entity = Singapore
+ supported_categories: tuple[str, ...] = (HALF_DAY, PUBLIC) # type: ignore[assignment]
+ start_year = 2000
+ observed_label = "%s"
+
+ def _populate_common_holidays(self):
+ super()._populate_common_holidays()
+
+ for dt in tuple(self.keys()):
+ if self._is_weekend(dt):
+ self.pop(dt)
+
+ def _populate_half_day_holidays(self):
+ # %s (markets close at 12:00 p.m. SGT).
+ pause_label = tr("%s (markets close at 12:00 p.m. SGT)")
+
+ # Christmas Eve.
+ self._add_christmas_eve(self._format_holiday_name(pause_label, tr("Christmas Eve")))
+
+ # New Year's Eve.
+ self._add_new_years_eve(self._format_holiday_name(pause_label, tr("New Year's Eve")))
+
+ self._add_chinese_new_years_eve(
+ # Chinese New Year's Eve.
+ self._format_holiday_name(pause_label, tr("Chinese New Year's Eve"))
+ )
+
+
+class XSES(SingaporeExchange):
+ pass
+
+
+class SGX(SingaporeExchange):
+ pass
diff --git a/holidays/locale/en_SG/LC_MESSAGES/XSES.po b/holidays/locale/en_SG/LC_MESSAGES/XSES.po
new file mode 100644
index 0000000000..700c8f03d0
--- /dev/null
+++ b/holidays/locale/en_SG/LC_MESSAGES/XSES.po
@@ -0,0 +1,45 @@
+# holidays
+# --------
+# A fast, efficient Python library for generating country, province and state
+# specific sets of holidays on the fly. It aims to make determining whether a
+# specific date is a holiday as fast and flexible as possible.
+#
+# Authors: Vacanza Team and individual contributors (see CONTRIBUTORS file)
+# dr-prodigy (c) 2017-2023
+# ryanss (c) 2014-2017
+# Website: https://github.com/vacanza/holidays
+# License: MIT (see LICENSE file)
+#
+# Singapore Exchange (SGX) holidays.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Holidays 0.102\n"
+"Report-Msgid-Bugs-To: l10n@vacanza.dev\n"
+"POT-Creation-Date: 2026-07-25 04:57+0000\n"
+"PO-Revision-Date: 2026-07-25 14:54+0000\n"
+"Last-Translator: Paresh Joshi \n"
+"Language-Team: Holidays Localization Team\n"
+"Language: en_SG\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Lingva 5.0.6\n"
+"X-Source-Language: en_SG\n"
+
+#. %s (markets close at 12:00 p.m. SGT).
+#, c-format
+msgid "%s (markets close at 12:00 p.m. SGT)"
+msgstr ""
+
+#. Christmas Eve.
+msgid "Christmas Eve"
+msgstr ""
+
+#. New Year's Eve.
+msgid "New Year's Eve"
+msgstr ""
+
+#. Chinese New Year's Eve.
+msgid "Chinese New Year's Eve"
+msgstr ""
diff --git a/holidays/locale/en_US/LC_MESSAGES/XSES.po b/holidays/locale/en_US/LC_MESSAGES/XSES.po
new file mode 100644
index 0000000000..ae6a64f27b
--- /dev/null
+++ b/holidays/locale/en_US/LC_MESSAGES/XSES.po
@@ -0,0 +1,45 @@
+# holidays
+# --------
+# A fast, efficient Python library for generating country, province and state
+# specific sets of holidays on the fly. It aims to make determining whether a
+# specific date is a holiday as fast and flexible as possible.
+#
+# Authors: Vacanza Team and individual contributors (see CONTRIBUTORS file)
+# dr-prodigy (c) 2017-2023
+# ryanss (c) 2014-2017
+# Website: https://github.com/vacanza/holidays
+# License: MIT (see LICENSE file)
+#
+# Singapore Exchange (SGX) holidays en_US localization.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Holidays 0.102\n"
+"Report-Msgid-Bugs-To: l10n@vacanza.dev\n"
+"POT-Creation-Date: 2026-07-25 04:57+0000\n"
+"PO-Revision-Date: 2026-07-25 14:54+0000\n"
+"Last-Translator: Paresh Joshi \n"
+"Language-Team: Holidays Localization Team\n"
+"Language: en_US\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Lingva 5.0.6\n"
+"X-Source-Language: en_SG\n"
+
+#. %s (markets close at 12:00 p.m. SGT).
+#, c-format
+msgid "%s (markets close at 12:00 p.m. SGT)"
+msgstr "%s (markets close at 12:00 p.m. SGT)"
+
+#. Christmas Eve.
+msgid "Christmas Eve"
+msgstr "Christmas Eve"
+
+#. New Year's Eve.
+msgid "New Year's Eve"
+msgstr "New Year's Eve"
+
+#. Chinese New Year's Eve.
+msgid "Chinese New Year's Eve"
+msgstr "Chinese New Year's Eve"
diff --git a/holidays/locale/th/LC_MESSAGES/XSES.po b/holidays/locale/th/LC_MESSAGES/XSES.po
new file mode 100644
index 0000000000..e6c51aa109
--- /dev/null
+++ b/holidays/locale/th/LC_MESSAGES/XSES.po
@@ -0,0 +1,45 @@
+# holidays
+# --------
+# A fast, efficient Python library for generating country, province and state
+# specific sets of holidays on the fly. It aims to make determining whether a
+# specific date is a holiday as fast and flexible as possible.
+#
+# Authors: Vacanza Team and individual contributors (see CONTRIBUTORS file)
+# dr-prodigy (c) 2017-2023
+# ryanss (c) 2014-2017
+# Website: https://github.com/vacanza/holidays
+# License: MIT (see LICENSE file)
+#
+# Singapore Exchange (SGX) holidays th localization.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Holidays 0.102\n"
+"Report-Msgid-Bugs-To: l10n@vacanza.dev\n"
+"POT-Creation-Date: 2026-07-25 04:57+0000\n"
+"PO-Revision-Date: 2026-07-25 14:54+0000\n"
+"Last-Translator: Paresh Joshi \n"
+"Language-Team: Holidays Localization Team\n"
+"Language: th\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Lingva 5.0.6\n"
+"X-Source-Language: en_SG\n"
+
+#. %s (markets close at 12:00 p.m. SGT).
+#, c-format
+msgid "%s (markets close at 12:00 p.m. SGT)"
+msgstr "%s (ตลาดปิดเวลา 12:00 น. SGT)"
+
+#. Christmas Eve.
+msgid "Christmas Eve"
+msgstr "วันคริสต์มาสอีฟ"
+
+#. New Year's Eve.
+msgid "New Year's Eve"
+msgstr "วันสิ้นปี"
+
+#. Chinese New Year's Eve.
+msgid "Chinese New Year's Eve"
+msgstr "วันก่อนวันตรุษจีน"
diff --git a/holidays/registry.py b/holidays/registry.py
index 615cac53b1..d6517c2183 100644
--- a/holidays/registry.py
+++ b/holidays/registry.py
@@ -301,6 +301,7 @@
"ny_stock_exchange": ("NewYorkStockExchange", "XNYS", "NYSE"),
"shanghai_stock_exchange": ("ShanghaiStockExchange", "XSHG", "SSE"),
"shenzhen_stock_exchange": ("ShenzhenStockExchange", "XSHE", "SZSE"),
+ "singapore_exchange": ("SingaporeExchange", "XSES", "SGX"),
"six_swiss_exchange": ("SIXSwissExchange", "XSWX", "SIX"),
"toronto_stock_exchange": ("TorontoStockExchange", "XTSE", "TSX"),
}
diff --git a/tests/financial/test_singapore_exchange.py b/tests/financial/test_singapore_exchange.py
new file mode 100644
index 0000000000..e2efa78d93
--- /dev/null
+++ b/tests/financial/test_singapore_exchange.py
@@ -0,0 +1,137 @@
+# holidays
+# --------
+# A fast, efficient Python library for generating country, province and state
+# specific sets of holidays on the fly. It aims to make determining whether a
+# specific date is a holiday as fast and flexible as possible.
+#
+# Authors: Vacanza Team and individual contributors (see CONTRIBUTORS file)
+# dr-prodigy (c) 2017-2023
+# ryanss (c) 2014-2017
+# Website: https://github.com/vacanza/holidays
+# License: MIT (see LICENSE file)
+
+from unittest import TestCase
+
+from holidays.financial.singapore_exchange import SingaporeExchange
+from tests.common import CommonFinancialTests
+
+
+class TestSingaporeExchange(CommonFinancialTests, TestCase):
+ @classmethod
+ def setUpClass(cls):
+ cls.full_range = range(2000, 2027)
+ super().setUpClass(SingaporeExchange)
+
+ def test_code(self):
+ self.assertTrue(hasattr(self.holidays, "market"))
+ self.assertIsNone(getattr(self.holidays, "country", None))
+
+ def test_christmas_eve(self):
+ name = "Christmas Eve (markets close at 12:00 p.m. SGT)"
+ years_absent = {2000, 2005, 2006, 2011, 2016, 2017, 2022, 2023}
+ self.assertNoHolidayName(name)
+ self.assertNoHalfDayHolidayName(name, (f"{year}-12-24" for year in years_absent))
+ self.assertHalfDayNonObservedHolidayName(
+ name, (f"{year}-12-24" for year in self.full_range if year not in years_absent)
+ )
+
+ def test_new_years_eve(self):
+ name = "New Year's Eve (markets close at 12:00 p.m. SGT)"
+ years_absent = {2000, 2005, 2006, 2011, 2016, 2017, 2022, 2023}
+ self.assertNoHolidayName(name)
+ self.assertNoHalfDayHolidayName(name, (f"{year}-12-31" for year in years_absent))
+ self.assertHalfDayNonObservedHolidayName(
+ name, (f"{year}-12-31" for year in self.full_range if year not in years_absent)
+ )
+
+ def test_chinese_new_years_eve(self):
+ name = "Chinese New Year's Eve (markets close at 12:00 p.m. SGT)"
+ self.assertNoHolidayName(name)
+ self.assertHalfDayHolidayName(
+ name,
+ "2020-01-24",
+ "2021-02-11",
+ "2022-01-31",
+ "2024-02-09",
+ "2025-01-28",
+ "2026-02-16",
+ )
+ self.assertNoHalfDayHolidayName(
+ name,
+ "2023-01-21",
+ )
+
+ def test_2025(self):
+ self.assertHolidaysInYear(
+ 2025,
+ ("2025-01-01", "New Year's Day"),
+ ("2025-01-29", "Chinese New Year"),
+ ("2025-01-30", "Chinese New Year"),
+ ("2025-03-31", "Hari Raya Puasa"),
+ ("2025-04-18", "Good Friday"),
+ ("2025-05-01", "Labour Day"),
+ ("2025-05-12", "Vesak Day"),
+ ("2025-10-20", "Deepavali"),
+ ("2025-12-25", "Christmas Day"),
+ )
+
+ def test_half_day_2025(self):
+ self.assertHalfDayHolidaysInYear(
+ 2025,
+ ("2025-01-28", "Chinese New Year's Eve (markets close at 12:00 p.m. SGT)"),
+ ("2025-12-24", "Christmas Eve (markets close at 12:00 p.m. SGT)"),
+ ("2025-12-31", "New Year's Eve (markets close at 12:00 p.m. SGT)"),
+ )
+
+ def test_l10n_default(self):
+ self.assertLocalizedHolidays(
+ ("2024-01-01", "New Year's Day"),
+ ("2024-02-09", "Chinese New Year's Eve (markets close at 12:00 p.m. SGT)"),
+ ("2024-02-12", "Chinese New Year"),
+ ("2024-03-29", "Good Friday"),
+ ("2024-04-10", "Hari Raya Puasa"),
+ ("2024-05-01", "Labour Day"),
+ ("2024-05-22", "Vesak Day"),
+ ("2024-06-17", "Hari Raya Haji"),
+ ("2024-08-09", "National Day"),
+ ("2024-10-31", "Deepavali"),
+ ("2024-12-24", "Christmas Eve (markets close at 12:00 p.m. SGT)"),
+ ("2024-12-25", "Christmas Day"),
+ ("2024-12-31", "New Year's Eve (markets close at 12:00 p.m. SGT)"),
+ )
+
+ def test_l10n_en_us(self):
+ self.assertLocalizedHolidays(
+ "en_US",
+ ("2024-01-01", "New Year's Day"),
+ ("2024-02-09", "Chinese New Year's Eve (markets close at 12:00 p.m. SGT)"),
+ ("2024-02-12", "Chinese New Year"),
+ ("2024-03-29", "Good Friday"),
+ ("2024-04-10", "Eid al-Fitr"),
+ ("2024-05-01", "Labor Day"),
+ ("2024-05-22", "Vesak Day"),
+ ("2024-06-17", "Eid al-Adha"),
+ ("2024-08-09", "National Day"),
+ ("2024-10-31", "Deepavali"),
+ ("2024-12-24", "Christmas Eve (markets close at 12:00 p.m. SGT)"),
+ ("2024-12-25", "Christmas Day"),
+ ("2024-12-31", "New Year's Eve (markets close at 12:00 p.m. SGT)"),
+ )
+
+ def test_l10n_th(self):
+ self.assertLocalizedHolidays(
+ "th",
+ ("2024-01-01", "วันขึ้นปีใหม่"),
+ ("2024-02-09", "วันก่อนวันตรุษจีน (ตลาดปิดเวลา 12:00 น. SGT)"),
+ ("2024-02-12", "วันตรุษจีน"),
+ ("2024-03-29", "วันศุกร์ประเสริฐ"),
+ ("2024-04-10", "วันอีฎิ้ลฟิตริ"),
+ ("2024-05-01", "วันแรงงาน"),
+ ("2024-05-22", "วันวิสาขบูชา"),
+ ("2024-06-17", "วันอีดิ้ลอัฎฮา"),
+ ("2024-08-09", "วันชาติสิงคโปร์"),
+ ("2024-10-31", "วันดีปาวลี"),
+ ("2024-12-24", "วันคริสต์มาสอีฟ (ตลาดปิดเวลา 12:00 น. SGT)"),
+ ("2024-12-25", "วันคริสต์มาส"),
+ ("2024-12-31", "วันสิ้นปี (ตลาดปิดเวลา 12:00 น. SGT)"),
+ )