OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

ALL $220.00 Put

ALL270115P00220000

Latest saved OI442Oct 23, 2026
Last change-31vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALL $220.00 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. 4932460 2026-10-02: 493 OI2026-10-05: 493 OI2026-10-06: 490 OI2026-10-07: 491 OI2026-10-08: 491 OI2026-10-09: 470 OI2026-10-13: 471 OI2026-10-14: 471 OI2026-10-15: 471 OI2026-10-16: 471 OI2026-10-21: 473 OI2026-10-23: 442 OI Oct 02, 2026Oct 23, 2026

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

ALL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing442-31
Oct 21, 2026473+2
Oct 16, 20264710
Oct 15, 20264710
Oct 14, 20264710
Oct 13, 2026471+1
Oct 09, 2026470-21
Oct 08, 20264910
Oct 07, 2026491+1
Oct 06, 2026490-3
Oct 05, 20264930
Oct 02, 2026493No prior observation