diff --git a/DOCN-institutional-holders.py b/DOCN-institutional-holders.py
old mode 100644
new mode 100755
diff --git a/all-securities.py b/all-securities.py
old mode 100644
new mode 100755
diff --git a/all-stock-exchanges.py b/all-stock-exchanges.py
new file mode 100755
index 0000000..a9cbd57
--- /dev/null
+++ b/all-stock-exchanges.py
@@ -0,0 +1,17 @@
+#!/usr/bin/python3
+
+from __future__ import print_function
+import time
+import intrinio_sdk as intrinio
+from intrinio_sdk.rest import ApiException
+
+intrinio.ApiClient().set_api_key('OjZjZGIzZmYyNDg4NDZjYjQ4NzAzMzAyZjg0OTU5MDcz')
+intrinio.ApiClient().allow_retries(True)
+
+city = 'New York'
+country = 'UNITED STATES OF AMERICA'
+country_code = 'US'
+page_size = 1000
+
+response = intrinio.StockExchangeApi().get_all_stock_exchanges(city=city, country=country, country_code=country_code, page_size=page_size)
+print(response)