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Contract OI history

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Sep 17, 2027 EXPIRATION

BA $205.00 Put

BA270917P00205000

Latest saved OI220Oct 23, 2026
Last change-68vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $205.00 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. 2881440 2026-10-02: 71 OI2026-10-05: 205 OI2026-10-06: 179 OI2026-10-07: 179 OI2026-10-08: 179 OI2026-10-09: 179 OI2026-10-13: 169 OI2026-10-14: 169 OI2026-10-15: 169 OI2026-10-16: 169 OI2026-10-21: 288 OI2026-10-23: 220 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, 2026Viewing220-68
Oct 21, 2026288+119
Oct 16, 20261690
Oct 15, 20261690
Oct 14, 20261690
Oct 13, 2026169-10
Oct 09, 20261790
Oct 08, 20261790
Oct 07, 20261790
Oct 06, 2026179-26
Oct 05, 2026205+134
Oct 02, 202671No prior observation