OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BA $210.00 Put

BA270115P00210000

Latest saved OI2,801Oct 23, 2026
Last change+86vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $210.00 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. 2,8191,4090 2026-10-02: 2,819 OI2026-10-05: 2,819 OI2026-10-06: 2,816 OI2026-10-07: 2,812 OI2026-10-08: 2,812 OI2026-10-09: 2,812 OI2026-10-13: 2,762 OI2026-10-14: 2,762 OI2026-10-15: 2,762 OI2026-10-16: 2,714 OI2026-10-21: 2,715 OI2026-10-23: 2,801 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, 2026Viewing2,801+86
Oct 21, 20262,715+1
Oct 16, 20262,714-48
Oct 15, 20262,7620
Oct 14, 20262,7620
Oct 13, 20262,762-50
Oct 09, 20262,8120
Oct 08, 20262,8120
Oct 07, 20262,812-4
Oct 06, 20262,816-3
Oct 05, 20262,8190
Oct 02, 20262,819No prior observation