OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

S $22.00 Put

S261218P00022000

Latest saved OI72Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
S $22.00 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. 73360 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 27 OI2026-10-07: 27 OI2026-10-08: 27 OI2026-10-09: 29 OI2026-10-13: 43 OI2026-10-14: 43 OI2026-10-15: 47 OI2026-10-16: 73 OI2026-10-21: 73 OI2026-10-23: 72 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, 2026Viewing72-1
Oct 21, 2026730
Oct 16, 202673+26
Oct 15, 202647+4
Oct 14, 2026430
Oct 13, 202643+14
Oct 09, 202629+2
Oct 08, 2026270
Oct 07, 2026270
Oct 06, 202627+27
Oct 05, 202600
Oct 02, 20260No prior observation