OITracker Cboe delayed data

Contract OI history

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Nov 06, 2026 EXPIRATION

S $28.50 Call

S261106C00028500

Latest saved OI1,017Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
S $28.50 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. 1,0175080 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 1 OI2026-10-07: 1 OI2026-10-08: 1 OI2026-10-09: 1 OI2026-10-13: 1,010 OI2026-10-14: 1,010 OI2026-10-15: 1,017 OI2026-10-16: 1,017 OI2026-10-21: 1,017 OI2026-10-23: 1,017 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, 2026Viewing1,0170
Oct 21, 20261,0170
Oct 16, 20261,0170
Oct 15, 20261,017+7
Oct 14, 20261,0100
Oct 13, 20261,010+1,009
Oct 09, 202610
Oct 08, 202610
Oct 07, 202610
Oct 06, 20261+1
Oct 05, 202600
Oct 02, 20260No prior observation