OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

BA $260.00 Put

BA280121P00260000

Latest saved OI817Oct 23, 2026
Last change+12vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $260.00 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. 8174080 2026-10-02: 800 OI2026-10-05: 800 OI2026-10-06: 800 OI2026-10-07: 800 OI2026-10-08: 800 OI2026-10-09: 800 OI2026-10-13: 800 OI2026-10-14: 800 OI2026-10-15: 800 OI2026-10-16: 805 OI2026-10-21: 805 OI2026-10-23: 817 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, 2026Viewing817+12
Oct 21, 20268050
Oct 16, 2026805+5
Oct 15, 20268000
Oct 14, 20268000
Oct 13, 20268000
Oct 09, 20268000
Oct 08, 20268000
Oct 07, 20268000
Oct 06, 20268000
Oct 05, 20268000
Oct 02, 2026800No prior observation