OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

P $100.00 Put

P261120P00100000

Latest saved OI410Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
P $100.00 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. 4102050 2026-10-02: 290 OI2026-10-05: 287 OI2026-10-06: 339 OI2026-10-07: 346 OI2026-10-08: 346 OI2026-10-09: 379 OI2026-10-13: 386 OI2026-10-14: 388 OI2026-10-15: 383 OI2026-10-16: 383 OI2026-10-21: 400 OI2026-10-23: 410 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

P contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026410+10
Oct 21, 2026Viewing400+17
Oct 16, 20263830
Oct 15, 2026383-5
Oct 14, 2026388+2
Oct 13, 2026386+7
Oct 09, 2026379+33
Oct 08, 20263460
Oct 07, 2026346+7
Oct 06, 2026339+52
Oct 05, 2026287-3
Oct 02, 2026290No prior observation