OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

S $23.50 Call

S261023C00023500

Latest saved OI1,214Oct 23, 2026
Last change+453vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
S $23.50 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. 1,2146070 2026-10-02: 28 OI2026-10-05: 29 OI2026-10-06: 30 OI2026-10-07: 30 OI2026-10-08: 30 OI2026-10-09: 43 OI2026-10-13: 43 OI2026-10-14: 43 OI2026-10-15: 696 OI2026-10-16: 727 OI2026-10-21: 761 OI2026-10-23: 1,214 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, 2026Viewing1,214+453
Oct 21, 2026761+34
Oct 16, 2026727+31
Oct 15, 2026696+653
Oct 14, 2026430
Oct 13, 2026430
Oct 09, 202643+13
Oct 08, 2026300
Oct 07, 2026300
Oct 06, 202630+1
Oct 05, 202629+1
Oct 02, 202628No prior observation