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Mar 19, 2027 EXPIRATION

BA $255.00 Put

BA270319P00255000

Latest saved OI71Oct 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 $255.00 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. 126630 2026-10-02: 125 OI2026-10-05: 126 OI2026-10-06: 126 OI2026-10-07: 126 OI2026-10-08: 126 OI2026-10-09: 126 OI2026-10-13: 126 OI2026-10-14: 126 OI2026-10-15: 71 OI2026-10-16: 71 OI2026-10-21: 71 OI2026-10-23: 71 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, 2026Viewing710
Oct 21, 2026710
Oct 16, 2026710
Oct 15, 202671-55
Oct 14, 20261260
Oct 13, 20261260
Oct 09, 20261260
Oct 08, 20261260
Oct 07, 20261260
Oct 06, 20261260
Oct 05, 2026126+1
Oct 02, 2026125No prior observation