OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

S $30.00 Call

S280121C00030000

Latest saved OI6,561Oct 23, 2026
Last change+35vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
S $30.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6,6113,3050 2026-10-02: 6,603 OI2026-10-05: 6,611 OI2026-10-06: 6,518 OI2026-10-07: 6,519 OI2026-10-08: 6,519 OI2026-10-09: 6,517 OI2026-10-13: 6,519 OI2026-10-14: 6,519 OI2026-10-15: 6,518 OI2026-10-16: 6,518 OI2026-10-21: 6,526 OI2026-10-23: 6,561 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

S contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6,561+35
Oct 21, 20266,526+8
Oct 16, 20266,5180
Oct 15, 20266,518-1
Oct 14, 20266,5190
Oct 13, 20266,519+2
Oct 09, 20266,517-2
Oct 08, 20266,5190
Oct 07, 20266,519+1
Oct 06, 20266,518-93
Oct 05, 20266,611+8
Oct 02, 20266,603No prior observation