OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

S $25.00 Put

S261023P00025000

Latest saved OI3,010Oct 23, 2026
Last change-5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
S $25.00 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. 3,0191,5090 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 12 OI2026-10-07: 18 OI2026-10-08: 18 OI2026-10-09: 18 OI2026-10-13: 3,019 OI2026-10-14: 3,019 OI2026-10-15: 3,019 OI2026-10-16: 3,019 OI2026-10-21: 3,015 OI2026-10-23: 3,010 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, 2026Viewing3,010-5
Oct 21, 20263,015-4
Oct 16, 20263,0190
Oct 15, 20263,0190
Oct 14, 20263,0190
Oct 13, 20263,019+3,001
Oct 09, 2026180
Oct 08, 2026180
Oct 07, 202618+6
Oct 06, 202612+11
Oct 05, 202610
Oct 02, 20261No prior observation