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Contract OI history

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May 21, 2027 EXPIRATION

BA $150.00 Put

BA270521P00150000

Latest saved OI346Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $150.00 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. 3461730 2026-10-02: 327 OI2026-10-05: 327 OI2026-10-06: 326 OI2026-10-07: 326 OI2026-10-08: 326 OI2026-10-09: 328 OI2026-10-13: 328 OI2026-10-14: 328 OI2026-10-15: 339 OI2026-10-16: 339 OI2026-10-21: 344 OI2026-10-23: 346 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, 2026Viewing346+2
Oct 21, 2026344+5
Oct 16, 20263390
Oct 15, 2026339+11
Oct 14, 20263280
Oct 13, 20263280
Oct 09, 2026328+2
Oct 08, 20263260
Oct 07, 20263260
Oct 06, 2026326-1
Oct 05, 20263270
Oct 02, 2026327No prior observation