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Contract OI history

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Sep 17, 2027 EXPIRATION

BA $155.00 Put

BA270917P00155000

Latest saved OI1,417Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $155.00 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. 1,4187090 2026-10-02: 1,388 OI2026-10-05: 1,388 OI2026-10-06: 1,394 OI2026-10-07: 1,394 OI2026-10-08: 1,394 OI2026-10-09: 1,395 OI2026-10-13: 1,412 OI2026-10-14: 1,412 OI2026-10-15: 1,411 OI2026-10-16: 1,411 OI2026-10-21: 1,418 OI2026-10-23: 1,417 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, 2026Viewing1,417-1
Oct 21, 20261,418+7
Oct 16, 20261,4110
Oct 15, 20261,411-1
Oct 14, 20261,4120
Oct 13, 20261,412+17
Oct 09, 20261,395+1
Oct 08, 20261,3940
Oct 07, 20261,3940
Oct 06, 20261,394+6
Oct 05, 20261,3880
Oct 02, 20261,388No prior observation