OITracker Cboe delayed data

Contract OI history

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Jan 19, 2029 EXPIRATION

BA $120.00 Put

BA290119P00120000

Latest saved OI443Oct 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 $120.00 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. 4442220 2026-10-02: 443 OI2026-10-05: 444 OI2026-10-06: 444 OI2026-10-07: 444 OI2026-10-08: 444 OI2026-10-09: 444 OI2026-10-13: 444 OI2026-10-14: 444 OI2026-10-15: 444 OI2026-10-16: 444 OI2026-10-21: 443 OI2026-10-23: 443 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, 2026Viewing4430
Oct 21, 2026443-1
Oct 16, 20264440
Oct 15, 20264440
Oct 14, 20264440
Oct 13, 20264440
Oct 09, 20264440
Oct 08, 20264440
Oct 07, 20264440
Oct 06, 20264440
Oct 05, 2026444+1
Oct 02, 2026443No prior observation