OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

BA $240.00 Put

BA280121P00240000

Latest saved OI464Oct 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
BA $240.00 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. 4642320 2026-10-02: 462 OI2026-10-05: 462 OI2026-10-06: 462 OI2026-10-07: 462 OI2026-10-08: 462 OI2026-10-09: 462 OI2026-10-13: 462 OI2026-10-14: 462 OI2026-10-15: 462 OI2026-10-16: 462 OI2026-10-21: 463 OI2026-10-23: 464 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, 2026Viewing464+1
Oct 21, 2026463+1
Oct 16, 20264620
Oct 15, 20264620
Oct 14, 20264620
Oct 13, 20264620
Oct 09, 20264620
Oct 08, 20264620
Oct 07, 20264620
Oct 06, 20264620
Oct 05, 20264620
Oct 02, 2026462No prior observation