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Date	File name	Download
2026-07-01 00:00:27	0000
2026-07-01 01:00:17	0100
2026-07-01 02:01:23	0200
2026-07-01 03:00:21	0300
2026-07-01 04:00:23	0400
2026-06-30 15:16:26	1515
2026-06-30 15:20:20	1520
2026-06-30 15:27:14	1526
2026-06-30 15:31:17	1545
2026-06-30 15:49:27	1549
2026-06-30 15:51:07	1550
2026-06-30 15:53:19	1553
2026-06-30 15:59:22	1559
2026-06-30 15:41:09	1615
2026-06-30 17:00:22	1700
2026-06-30 18:00:24	1800
2026-06-30 19:00:22	1900
2026-06-30 20:00:22	2000
2026-06-30 21:00:20	2100
2026-06-30 22:00:22	2200
2026-06-30 23:00:21	2300
2026-07-01 00:00:28	A000
2026-07-01 01:00:18	A100
2026-07-01 02:01:23	A200
2026-07-01 03:00:21	A300
2026-07-01 04:00:23	A400
2026-06-30 15:16:26	B515
2026-06-30 15:20:20	B520
2026-06-30 15:27:14	B526
2026-06-30 15:31:17	B545
2026-06-30 15:49:27	B549
2026-06-30 15:51:07	B550
2026-06-30 15:53:19	B553
2026-06-30 15:59:22	B559
2026-06-30 15:41:09	B615
2026-06-30 17:00:23	B700
2026-06-30 18:00:24	B800
2026-06-30 19:00:23	B900
2026-06-30 20:00:22	C000
2026-06-30 21:00:20	C100
2026-06-30 22:00:22	C200
2026-06-30 23:00:21	C300
2019-02-27 09:29:16	master
2026-07-01 04:00:23	pa2
2026-07-01 04:00:23	som
2026-07-01 04:00:23	sz1
2026-07-01 04:00:23	sz2

The webpage contains formal information.
master.zip updates changes irregularly.
SPAN parameters files are only available on each trading day.

SPAN^® is a registered trademark of Chicago Mercantile Exchange Inc., used herein under license. Chicago Mercantile Exchange Inc. assumes no liability in connection with the use of SPAN by any person or entity.