OITracker Cboe delayed data

Contract OI history

Back to BA

Nov 06, 2026 EXPIRATION

BA $220.00 Put

BA261106P00220000

Latest saved OI173Oct 23, 2026
Last change+115vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $220.00 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. 173860 2026-10-02: 7 OI2026-10-05: 7 OI2026-10-06: 7 OI2026-10-07: 57 OI2026-10-08: 57 OI2026-10-09: 57 OI2026-10-13: 58 OI2026-10-14: 58 OI2026-10-15: 58 OI2026-10-16: 58 OI2026-10-21: 58 OI2026-10-23: 173 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, 2026Viewing173+115
Oct 21, 2026580
Oct 16, 2026580
Oct 15, 2026580
Oct 14, 2026580
Oct 13, 202658+1
Oct 09, 2026570
Oct 08, 2026570
Oct 07, 202657+50
Oct 06, 202670
Oct 05, 202670
Oct 02, 20267No prior observation