OITracker Cboe delayed data

Contract OI history

Back to BA

May 21, 2027 EXPIRATION

BA $180.00 Put

BA270521P00180000

Latest saved OI84Oct 23, 2026
Last change+9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $180.00 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. 84420 2026-10-02: 23 OI2026-10-05: 23 OI2026-10-06: 24 OI2026-10-07: 24 OI2026-10-08: 24 OI2026-10-09: 66 OI2026-10-13: 71 OI2026-10-14: 71 OI2026-10-15: 74 OI2026-10-16: 74 OI2026-10-21: 75 OI2026-10-23: 84 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, 2026Viewing84+9
Oct 21, 202675+1
Oct 16, 2026740
Oct 15, 202674+3
Oct 14, 2026710
Oct 13, 202671+5
Oct 09, 202666+42
Oct 08, 2026240
Oct 07, 2026240
Oct 06, 202624+1
Oct 05, 2026230
Oct 02, 202623No prior observation