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Contract OI history

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Jan 21, 2028 EXPIRATION

BA $170.00 Put

BA280121P00170000

Latest saved OI723Oct 23, 2026
Last change+123vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $170.00 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. 7233610 2026-10-02: 564 OI2026-10-05: 564 OI2026-10-06: 569 OI2026-10-07: 570 OI2026-10-08: 570 OI2026-10-09: 595 OI2026-10-13: 600 OI2026-10-14: 600 OI2026-10-15: 600 OI2026-10-16: 601 OI2026-10-21: 600 OI2026-10-23: 723 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, 2026Viewing723+123
Oct 21, 2026600-1
Oct 16, 2026601+1
Oct 15, 20266000
Oct 14, 20266000
Oct 13, 2026600+5
Oct 09, 2026595+25
Oct 08, 20265700
Oct 07, 2026570+1
Oct 06, 2026569+5
Oct 05, 20265640
Oct 02, 2026564No prior observation