OITracker Cboe delayed data

Contract OI history

Back to BA

Sep 17, 2027 EXPIRATION

BA $185.00 Put

BA270917P00185000

Latest saved OI98Oct 23, 2026
Last change-5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $185.00 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. 103510 2026-10-02: 99 OI2026-10-05: 99 OI2026-10-06: 102 OI2026-10-07: 102 OI2026-10-08: 102 OI2026-10-09: 101 OI2026-10-13: 101 OI2026-10-14: 101 OI2026-10-15: 102 OI2026-10-16: 102 OI2026-10-21: 103 OI2026-10-23: 98 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, 2026Viewing98-5
Oct 21, 2026103+1
Oct 16, 20261020
Oct 15, 2026102+1
Oct 14, 20261010
Oct 13, 20261010
Oct 09, 2026101-1
Oct 08, 20261020
Oct 07, 20261020
Oct 06, 2026102+3
Oct 05, 2026990
Oct 02, 202699No prior observation