OITracker Cboe delayed data

Contract OI history

Back to BA

Dec 18, 2026 EXPIRATION

BA $205.00 Put

BA261218P00205000

Latest saved OI1,439Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $205.00 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. 1,4397190 2026-10-02: 1,418 OI2026-10-05: 1,419 OI2026-10-06: 1,420 OI2026-10-07: 1,438 OI2026-10-08: 1,438 OI2026-10-09: 1,438 OI2026-10-13: 1,438 OI2026-10-14: 1,438 OI2026-10-15: 1,434 OI2026-10-16: 1,433 OI2026-10-21: 1,435 OI2026-10-23: 1,439 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, 2026Viewing1,439+4
Oct 21, 20261,435+2
Oct 16, 20261,433-1
Oct 15, 20261,434-4
Oct 14, 20261,4380
Oct 13, 20261,4380
Oct 09, 20261,4380
Oct 08, 20261,4380
Oct 07, 20261,438+18
Oct 06, 20261,420+1
Oct 05, 20261,419+1
Oct 02, 20261,418No prior observation