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Contract OI history

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Sep 17, 2027 EXPIRATION

BA $140.00 Put

BA270917P00140000

Latest saved OI366Oct 23, 2026
Last change+46vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $140.00 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. 3661830 2026-10-02: 291 OI2026-10-05: 291 OI2026-10-06: 315 OI2026-10-07: 315 OI2026-10-08: 315 OI2026-10-09: 315 OI2026-10-13: 315 OI2026-10-14: 315 OI2026-10-15: 320 OI2026-10-16: 320 OI2026-10-21: 320 OI2026-10-23: 366 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, 2026Viewing366+46
Oct 21, 20263200
Oct 16, 20263200
Oct 15, 2026320+5
Oct 14, 20263150
Oct 13, 20263150
Oct 09, 20263150
Oct 08, 20263150
Oct 07, 20263150
Oct 06, 2026315+24
Oct 05, 20262910
Oct 02, 2026291No prior observation