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Contract OI history

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Dec 18, 2026 EXPIRATION

BA $170.00 Put

BA261218P00170000

Latest saved OI2,676Oct 23, 2026
Last change+14vs 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. 2,7431,3710 2026-10-02: 1,998 OI2026-10-05: 2,044 OI2026-10-06: 2,161 OI2026-10-07: 2,186 OI2026-10-08: 2,186 OI2026-10-09: 2,189 OI2026-10-13: 2,241 OI2026-10-14: 2,241 OI2026-10-15: 2,743 OI2026-10-16: 2,646 OI2026-10-21: 2,662 OI2026-10-23: 2,676 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, 2026Viewing2,676+14
Oct 21, 20262,662+16
Oct 16, 20262,646-97
Oct 15, 20262,743+502
Oct 14, 20262,2410
Oct 13, 20262,241+52
Oct 09, 20262,189+3
Oct 08, 20262,1860
Oct 07, 20262,186+25
Oct 06, 20262,161+117
Oct 05, 20262,044+46
Oct 02, 20261,998No prior observation