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Contract OI history

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Dec 18, 2026 EXPIRATION

BA $135.00 Put

BA261218P00135000

Latest saved OI911Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $135.00 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. 9114550 2026-10-02: 866 OI2026-10-05: 866 OI2026-10-06: 866 OI2026-10-07: 866 OI2026-10-08: 866 OI2026-10-09: 866 OI2026-10-13: 864 OI2026-10-14: 864 OI2026-10-15: 899 OI2026-10-16: 898 OI2026-10-21: 901 OI2026-10-23: 911 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, 2026Viewing911+10
Oct 21, 2026901+3
Oct 16, 2026898-1
Oct 15, 2026899+35
Oct 14, 20268640
Oct 13, 2026864-2
Oct 09, 20268660
Oct 08, 20268660
Oct 07, 20268660
Oct 06, 20268660
Oct 05, 20268660
Oct 02, 2026866No prior observation