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Contract OI history

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Sep 17, 2027 EXPIRATION

BA $125.00 Put

BA270917P00125000

Latest saved OI542Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $125.00 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. 5422710 2026-10-02: 433 OI2026-10-05: 433 OI2026-10-06: 433 OI2026-10-07: 433 OI2026-10-08: 433 OI2026-10-09: 437 OI2026-10-13: 447 OI2026-10-14: 447 OI2026-10-15: 447 OI2026-10-16: 447 OI2026-10-21: 542 OI2026-10-23: 542 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, 2026Viewing5420
Oct 21, 2026542+95
Oct 16, 20264470
Oct 15, 20264470
Oct 14, 20264470
Oct 13, 2026447+10
Oct 09, 2026437+4
Oct 08, 20264330
Oct 07, 20264330
Oct 06, 20264330
Oct 05, 20264330
Oct 02, 2026433No prior observation