OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

S $23.00 Put

S261218P00023000

Latest saved OI56Oct 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 $23.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 56280 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 3 OI2026-10-07: 3 OI2026-10-08: 3 OI2026-10-09: 33 OI2026-10-13: 43 OI2026-10-14: 43 OI2026-10-15: 43 OI2026-10-16: 43 OI2026-10-21: 56 OI2026-10-23: 56 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, 2026Viewing560
Oct 21, 202656+13
Oct 16, 2026430
Oct 15, 2026430
Oct 14, 2026430
Oct 13, 202643+10
Oct 09, 202633+30
Oct 08, 202630
Oct 07, 202630
Oct 06, 20263+3
Oct 05, 202600
Oct 02, 20260No prior observation