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Contract OI history

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Dec 18, 2026 EXPIRATION

BA $270.00 Call

BA261218C00270000

Latest saved OI4,442Oct 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 $270.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4,4602,2300 2026-10-02: 4,393 OI2026-10-05: 4,418 OI2026-10-06: 4,411 OI2026-10-07: 4,414 OI2026-10-08: 4,414 OI2026-10-09: 4,431 OI2026-10-13: 4,460 OI2026-10-14: 4,460 OI2026-10-15: 4,443 OI2026-10-16: 4,443 OI2026-10-21: 4,444 OI2026-10-23: 4,442 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, 2026Viewing4,442-2
Oct 21, 20264,444+1
Oct 16, 20264,4430
Oct 15, 20264,443-17
Oct 14, 20264,4600
Oct 13, 20264,460+29
Oct 09, 20264,431+17
Oct 08, 20264,4140
Oct 07, 20264,414+3
Oct 06, 20264,411-7
Oct 05, 20264,418+25
Oct 02, 20264,393No prior observation