OITracker Cboe delayed data

Contract OI history

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Dec 15, 2028 EXPIRATION

BA $190.00 Put

BA281215P00190000

Latest saved OI358Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $190.00 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. 3601800 2026-10-02: 315 OI2026-10-05: 314 OI2026-10-06: 313 OI2026-10-07: 313 OI2026-10-08: 313 OI2026-10-09: 360 OI2026-10-13: 360 OI2026-10-14: 360 OI2026-10-15: 358 OI2026-10-16: 358 OI2026-10-21: 358 OI2026-10-23: 358 OI Oct 02, 2026Oct 23, 2026

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

BA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3580
Oct 21, 20263580
Oct 16, 20263580
Oct 15, 2026358-2
Oct 14, 20263600
Oct 13, 20263600
Oct 09, 2026360+47
Oct 08, 20263130
Oct 07, 20263130
Oct 06, 2026313-1
Oct 05, 2026314-1
Oct 02, 2026315No prior observation