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Contract OI history

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Sep 17, 2027 EXPIRATION

BA $175.00 Put

BA270917P00175000

Latest saved OI561Oct 23, 2026
Last change+132vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $175.00 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. 5612800 2026-10-02: 390 OI2026-10-05: 390 OI2026-10-06: 393 OI2026-10-07: 393 OI2026-10-08: 393 OI2026-10-09: 394 OI2026-10-13: 394 OI2026-10-14: 394 OI2026-10-15: 394 OI2026-10-16: 394 OI2026-10-21: 429 OI2026-10-23: 561 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, 2026Viewing561+132
Oct 21, 2026429+35
Oct 16, 20263940
Oct 15, 20263940
Oct 14, 20263940
Oct 13, 20263940
Oct 09, 2026394+1
Oct 08, 20263930
Oct 07, 20263930
Oct 06, 2026393+3
Oct 05, 20263900
Oct 02, 2026390No prior observation