diff --git a/data/futures/roll_calendars_csv/HANGTECH.csv b/data/futures/roll_calendars_csv/HANGTECH.csv
new file mode 100644
index 0000000000..ff241b3327
--- /dev/null
+++ b/data/futures/roll_calendars_csv/HANGTECH.csv
@@ -0,0 +1,33 @@
+DATE_TIME,current_contract,next_contract,carry_contract
+2020-12-21 01:00:00,20201200,20210100,20210100
+2021-01-21 01:00:00,20210100,20210200,20210200
+2021-02-22 01:00:00,20210200,20210300,20210300
+2021-03-22 01:00:00,20210300,20210400,20210400
+2021-04-21 01:00:00,20210400,20210500,20210500
+2021-05-21 01:00:00,20210500,20210600,20210600
+2021-06-21 01:00:00,20210600,20210700,20210700
+2021-07-21 01:00:00,20210700,20210800,20210800
+2021-08-20 01:00:00,20210800,20210900,20210900
+2021-09-21 01:00:00,20210900,20211000,20211000
+2021-10-21 01:00:00,20211000,20211100,20211100
+2021-11-22 01:00:00,20211100,20211200,20211200
+2021-12-21 01:00:00,20211200,20220100,20220100
+2022-01-21 01:00:00,20220100,20220200,20220200
+2022-02-21 01:00:00,20220200,20220300,20220300
+2022-03-21 01:00:00,20220300,20220400,20220400
+2022-04-21 01:00:00,20220400,20220500,20220500
+2022-05-20 01:00:00,20220500,20220600,20220600
+2022-06-21 01:00:00,20220600,20220700,20220700
+2022-07-21 01:00:00,20220700,20220800,20220800
+2022-08-22 01:00:00,20220800,20220900,20220900
+2022-09-21 01:00:00,20220900,20221000,20221000
+2022-10-21 01:00:00,20221000,20221100,20221100
+2022-11-21 01:00:00,20221100,20221200,20221200
+2022-12-21 01:00:00,20221200,20230100,20230100
+2023-01-20 01:00:00,20230100,20230200,20230200
+2023-02-21 01:00:00,20230200,20230300,20230300
+2023-03-21 01:00:00,20230300,20230400,20230400
+2023-04-21 01:00:00,20230400,20230500,20230500
+2023-05-22 01:00:00,20230500,20230600,20230600
+2023-06-21 01:00:00,20230600,20230700,20230700
+2023-07-14 01:00:00,20230700,20230800,20230800