OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

S $25.00 Call

S261030C00025000

Latest saved OI286Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
S $25.00 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. 2881440 2026-10-02: 73 OI2026-10-05: 80 OI2026-10-06: 86 OI2026-10-07: 86 OI2026-10-08: 86 OI2026-10-09: 87 OI2026-10-13: 86 OI2026-10-14: 86 OI2026-10-15: 95 OI2026-10-16: 94 OI2026-10-21: 288 OI2026-10-23: 286 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, 2026Viewing286-2
Oct 21, 2026288+194
Oct 16, 202694-1
Oct 15, 202695+9
Oct 14, 2026860
Oct 13, 202686-1
Oct 09, 202687+1
Oct 08, 2026860
Oct 07, 2026860
Oct 06, 202686+6
Oct 05, 202680+7
Oct 02, 202673No prior observation